Citric Acid Anhydrous CAS 77-92-9 Assay 99.5 ~ 100.5%
I-Shanghai Ruifu Chemical Co., Ltd. ngumenzi ohamba phambili we-Citric Acid Anhydrous (CAS: 77-92-9) enomgangatho ophezulu.I-Ruifu Chemical inokubonelela ngenkonzo yehlabathi jikelele, ixabiso elikhuphisanayo, inkonzo egqwesileyo, encinci kunye nezixa ezininzi ezikhoyo.Thenga Citric Acid Anhydrous,Please contact: alvin@ruifuchem.com
| Igama leMchiza | Citric Acid Anhydrous |
| Izithethantonye | I-2-Hydroxy-1,2,3-Propanetricarboxylic Acid;I-2-Hydroxypropan-1,2,3-Tricarboxylic Acid;I-2-Hydroxypropane-1,2,3-Tricarboxylate |
| Ubume beStokhwe | Isitokhwe esininzi, ukuPhakanyiswa kweeNtengiso |
| Inombolo yeCAS | 77-92-9 |
| Ifomula yeemolekyuli | C6H8O7 |
| Ubunzima beMolekyuli | 192.12 g/mol |
| Indawo yokunyibilika | 153.0~159.0℃(lit.) |
| Ukuxinana | 1.67 g/cm3 ku-20℃ |
| Refractive Index n20/D | 1.493~1.509 |
| Inovakalelo | Hygroscopic |
| Ukunyibilika kwamanzi | Inyibilika emanzini, 590 g/l 20℃ |
| Ukunyibilika kwiMethanol | Phantse Ukungafihli |
| Ukunyibilika | Inyibilika kakhulu kwi-Ethanol;Inyibilika kwi-Etere;Ayinyibiliki kwiChloroform, eBenzene |
| Ivumba | Ayinavumba |
| Uzinzo | Izinzile.Ayihambelani neziseko, ii-Agents eziXhaphazelayo, ii-Agents eziNcitshiswayo, iiNitrate zeMetal. |
| I-COA kunye ne-MSDS | Iyafumaneka |
| Isampulu | Iyafumaneka |
| Imvelaphi | Shanghai, China |
| Iindidi zeMveliso | Izongezo zokutya |
| Uphawu | Ruifu Chemical |
| Izinto | ImiGangatho yokuHlola | Iziphumo |
| Imbonakalo | Umgubo weCrystalline oMhlophe okanye iiCrystals ezingenambala | Iyahambelana |
| Ukuhanjiswa kokukhanya | ≥96.0% | 99.0% |
| Amanzi nguKarl Fischer | ≤0.50% | 0.2% |
| Umba onganyibilikiyo kwi-H2O | ≤0.005% | <0.005% |
| Intsalela yomlilo (njengeSulfate) | ≤0.02% | <0.02% |
| Izinto ezifumaneka lula ngeCarbonizable | ≤1.00% | 0.42% |
| Uthuthu lweSulfate | ≤0.05% | <0.05% |
| I-Chloride (Cl-) | ≤0.005% | <0.005% |
| Isulfate (SO42-) | ≤0.01% | <0.002% |
| I-Oxalate (njenge-Oxalic Acid) | ≤0.01% | <0.01% |
| Ityuwa yeCalcium | ≤0.02% | <0.02% |
| Intsimbi (Fe) | ≤5mg/kg | <5mg/kg |
| Ityuwa yeArsenic | ≤1mg/kg | <1mg/kg |
| Khokela (Pb) | ≤0.5mg/kg | <0.5mg/kg |
| I-Phospate (PO4) | ≤0.001% | <0.001% |
| Isivavanyi | 99.5%~100.5% | 99.81% |
| I-Infrared Spectrum | Iyahambelana neSakhiwo | Iyahambelana |
| Ukuqukumbela | Imveliso ivavanyiwe kwaye ihambelana nomgangatho we-GB1987-2007 | |
| Beka ubomi kwishelufa | Iminyaka emi-2 ukusuka kumhla wokwenziwa ukuba igcinwe ngokufanelekileyo | |
Umqulu:Ibhotile, i-Aluminium foil bag, i-25 kg yophindaphinda iingxowa zephepha nge-PE-Inliner, i-25kg / idrum yekhadibhodi, okanye ngokwemfuno yomthengi.
Imeko yoGcino:Gcina isikhongozeli sivaliwe kwaye usigcine kwindawo epholileyo, eyomileyo nengena umoya kakuhle kude nezinto ezingahambelaniyo.Kude nelanga elithe ngqo namanzi.
Ukuhambisa ngenqanawe:Zisa kwihlabathi liphela ngomoya, ngeFedEx / DHL Express.Ukubonelela ngokukhawuleza nangokuthembekileyo.
Citric acid [77-92-9].
INGCACISO
I-Anhydrous Citric Acid iqulethe i-NLT 99.5% kunye ne-NMT 100.5% ye-C6H8O7, ibalwe ngokwesiseko se-anhydrous.
UKUCHAZA
• I-Infrared Absorption <197K>: Yomisa into eza kuhlolwa nge-105℃ kangangeeyure ezi-2.
UVAVANYO
• Inkqubo
Isampuli: 0.550 g ye-Anhydrous Citric Acid;bhala ubunzima ngokuchanekileyo.
Uhlalutyo: Nciphisa iSampulu kwi-50 mL yamanzi.Yongeza i-0.5 mL ye-phenolphthalein TS.I-Titrate nge-1 N sodium hydroxide VS.I-mL nganye ye-1 N i-sodium hydroxide ilingana ne-64.03 mg ye-C6H8O7.
Indlela yokwamkela: 99.5% -100.5% kwisiseko se-anhydrous
UBUNGCOLA
Ukungcola Kwezinto Eziphilayo
• Intsalela ekulayiseni <281>: NMT 0.1%, imiselwe kwi-1.0 g
• Iintsimbi ezinzima <231>: NMT 10 ppm
• Isulfate
Isisombululo esiqhelekileyo se-sulfate A: 1.81 mg / mL ye-potassium sulfate kwi-30% yotywala.Ngokukhawuleza ngaphambi kokusetyenziswa, dlulisela i-10.0 mL yesi sisombululo kwi-flask ye-volumetric ye-1000-mL, hlambulula nge-30% yotywala kwivolumu, kwaye udibanise.Esi sisombululo siqulathe i-10 µg/mL yesulfate.
Isisombululo esiqhelekileyo se-sulfate B: 1.81 mg / mL ye-potassium sulfate emanzini.Ngokukhawuleza ngaphambi kokusetyenziswa, dlulisela i-10.0 mL yesi sisombululo kwi-flask ye-volumetric ye-1000-mL, hlambulula ngamanzi ukuya kwivolumu, kwaye udibanise.Esi sisombululo siqulathe i-10 µg/mL yesulfate.
Isisombululo sesitokhwe sesampuli: 66.7 mg / mL ye-citric acid
Isisombululo sesampuli: Kwi-4.5 mL ye-Standard sulfate isisombululo A, yongeza i-3 mL yesisombululo se-barium chloride (1 kwi-4), xubha, kwaye uvumele ukuma i-1 min.Ukuya kwi-2.5 mL yokunqunyanyiswa okubangelwayo, yongeza i-15 mL yeSample stock solution kunye ne-0.5 mL ye-5 N acetic acid, kwaye udibanise.
Isisombululo esisemgangathweni: Lungiselela njengoko kuqondiswe kwisisombululo seSampuli, ngaphandle kokusebenzisa i-15 mL ye-Standard sulfate solution B endaweni yeSample stock solution.
Uhlalutyo
Iisampulu: Isisombululo esisemgangathweni kunye nesisombululo seSampuli
Iinqobo zokwamkelwa: Naluphi na i-turbidity eveliswa kwisisombululo seSampuli emva kwe-5 min yokuma ayikho enkulu kuneyo eveliswe kwisisombululo soMgangatho (0.015%).
• Umda weAluminiyam (apho ibhalwe njengenjongo yokusetyenziswa kwi-dialysis)
Isisombululo se-aluminium esiqhelekileyo: ukuya kwi-352 mg ye-aluminium sulfate ye-aluminium kwi-100-mL ye-volumetric flask, yongeza i-mL embalwa yamanzi, i-swirl ukuze inyibilike, yongeza i-10 mL ye-sulfuric acid ehlanjululweyo, ihlambulule ngamanzi ukuya kwivolumu, kwaye udibanise.Kwangoko phambi kokusetyenziswa, hlambulula i-1.0 mL yesi sisombululo ngamanzi ukuya kwi-100.0 mL.
I-pH 6.0 i-acetate buffer: Nciphisa i-50 g ye-ammonium acetate kwi-150 mL yamanzi, ulungelelanise ne-glacial acetic acid ukuya kwi-pH ye-6.0, xuba ngamanzi kwi-250 mL, kwaye udibanise.
Isisombululo esisemgangathweni: Lungiselela umxube we-2.0 mL we-Standard aluminium isisombululo, i-10 mL ye-pH 6.0 i-acetate buffer, kunye ne-98 mL yamanzi.Khipha lo mxube njengoko kuchaziwe kwisisombululo seSampuli, nciphisa izicatshulwa ezidibeneyo kunye ne-chloroform kwivolumu, kwaye udibanise.
Isisombululo sesampuli: Nciba i-20.0 g ye-Anhydrous Citric Acid kwi-100 mL yamanzi, kwaye wongeze i-10 mL ye-pH 6.0 i-acetate buffer.Khipha esi sisombululo kunye neengxenye ezilandelelanayo ze-20, 20, kunye ne-10 mL yesisombululo se-0.5% se-8-hydroxyquinoline kwi-chloroform, ukudibanisa i-chloroform extracts kwi-flask ye-volumetric ye-50-mL.Nciphisa izicatshulwa ezidibeneyo kunye ne-chloroform kwivolumu, kwaye udibanise.
Isisombululo esingenanto: Lungiselela umxube we-10 mL ye-pH 6.0 i-acetate buffer kunye ne-100 mL yamanzi.Khipha lo mxube njengoko kuchaziwe kwisisombululo seSampuli, nciphisa izicatshulwa ezidibeneyo kunye nekloroform ukuya kwivolumu, kwaye udibanise.
Iimeko zeFluorometric
Ubude bexesha lolonwabo: 392 nm
Ubude be-Emission: 518 nm
Uhlalutyo
Iisampulu: Isisombululo esisemgangathweni kunye nesisombululo seSampuli
Qinisekisa ubunzulu be-fluorescence yeeSampulu kwiseti ye-fluorometer njengoko ilawulwa phantsi kweemeko ze-Fluorometric, usebenzisa isisombululo esingenanto ukuseta isixhobo kwi-zero.
Iinqobo zokwamkela: I-fluorescence yesisombululo seSampuli ayigqithisi kwisisombululo soMgangatho (0.2 ppm).
Ukungcola Okuphilayo
• Inkqubo: Umda we-Oxalic Acid
Isampuli yesisombululo sesitokhwe: 200 mg / mL ye-Anhydrous Citric Acid emanzini
Isisombululo sesampuli: Kwi-4 mL yeSample stock solution yongeza i-3 mL ye-hydrochloric acid kunye ne-1 g ye-zinc granular, ubilise i-1 min, kwaye uvumele ukuma i-2 min.Dlulisa i-supernatant kwityhubhu yovavanyo equlethe i-0.25 mL yesisombululo se-phenylhydrazine hydrochloride (1 kwi-100), kunye nobushushu ekubiliseni.Ukupholisa ngokukhawuleza, udlulisele kwi-cylinder ephumeleleyo, kwaye ungeze umthamo olinganayo we-hydrochloric acid kunye ne-0.25 mL yesisombululo se-potassium ferricyanide (1 kwi-20).Gcoba, kwaye uvumele ukuma i-30 min.
Isisombululo esisemgangathweni: Lungiselela njengoko kuqondiswe kwisisombululo seSampuli, ngaphandle kokusebenzisa i-4 mL ye-0.10 mg / mL isisombululo se-oxalic acid, esilingana ne-0.0714 mg / mL ye-anhydrous oxalic acid, endaweni yeSample stock solution.[Qaphela—Lungisa ngokuhambelanayo neSampuli yesisombululo.]
Uhlalutyo
Iisampulu: Isisombululo esisemgangathweni kunye nesisombululo seSampuli
Iinqobo zokwamkelwa: Nawuphi na umbala opinki oveliswe kwiSampuli yesisombululo awunamandla ngakumbi kunokuba uveliswe kwisisombululo esiPhakathi (0.036%).
IIMVAVANYO EZITHILE
• UVavanyo lwama-85 lwe-Bacterial Endotoxins: Inqanaba leendotoxins zebhaktiriya lelokuba imfuno kwifomu yedosi efanelekileyo yemonograph(s) apho kusetyenziswa iAnhydrous Citric Acid inokuhlangatyezwana nayo.Apho ileyibhile ichaza ukuba i-Anhydrous Citric Acid kufuneka iqhutywe ngakumbi ngexesha lokulungiswa kweefom zedosi etofwayo, inqanaba le-endotoxins yebhaktiriya kukuba imfuno kwifomu efanelekileyo yedosi imonograph(s) apho i-Anhydrous Citric Acid isetyenziselwa khona wadibana.
• Ukucaca kwesisombululo
[Qaphela-Isicombululo seSampuli siza kuthelekiswa nokunqunyanyiswa okuMgangatho A ekukhanyeni kwemini okusasaziweyo kwimizuzu emi-5 emva kolungiselelo lokunqunyanyiswa okuMgangatho A. ]
Isisombululo se-Hydrazine sulfate: 10 mg / mL ye-hydrazine sulfate emanzini.Vumela ukuba ume i-4 ukuya kwi-6 h phambi kokusetyenziswa.
Isisombululo seMethenamine: Dlulisa i-2.5 g ye-methenamine kwi-100-mL yeglasi-eyenziwe ngeglasi, yongeza i-25.0 mL yamanzi, faka isivalo seglasi, kwaye udibanise ukunyibilika.
Ukumiswa kwe-opalescent ephambili: Dlulisa i-25.0 mL yesisombululo se-Hydrazine sulfate kwi-25.0 mL yesisombululo se-Methenamine kwi-100-mL ye-glass-stoppered flask.Hlanganisa, kwaye uvumele ukuba ume i-24 h.[Qaphela—Olu kumiswa luzinzile kangangeenyanga ezi-2, ngaphandle kokuba lugcinwe kwisingxobo seglasi esingenaziphene.Ukumiswa akufanele kuhambelane neglasi kwaye kufuneka kuxutywe kakuhle ngaphambi kokusetyenziswa.]
Umgangatho we-Opalescence: Nciphisa i-15.0 mL yePrimary opalescent suspension ngamanzi ukuya kwi-1000 mL.[Qaphela—Oku kunqunyanyiswa akufuneki kusetyenziswe ngaphaya kweyure ezingama-24 emva kolungiselelo.]
Ukumiswa okusemgangathweni A: Nciphisa i-5.0 mL yomgangatho we-Opalescence ngamanzi ukuya kwi-100 mL.
Ukumiswa okusemgangathweni B: Nciphisa i-10.0 mL yomgangatho we-Opalescence ngamanzi ukuya kwi-100 mL.
Isisombululo sesampuli: 200 mg / mL ye-Anhydrous Citric Acid emanzini
Uhlalutyo
Iisampulu: Ukumiswa okusemgangathweni A, ukunqunyanyiswa okusemgangathweni B, amanzi, kunye nesisombululo seSampuli
Dlulisa inxalenye eyaneleyo yesisombululo seSampuli kwityhubhu yokuvavanya yeglasi engenambala, ecacileyo, engathathi hlangothi enesiseko esicaba kunye nobubanzi bangaphakathi be-15-25 mm ukufumana ubunzulu be-40 mm.Ngokufanayo ukudlulisa iinxalenye zoMgangatho wokumiswa A, ukumiswa okuMgangatho B, kunye namanzi ukwahlula iityhubhu zovavanyo oluhambelanayo.Thelekisa isisombululo seSample, ukumiswa okuMgangatho A, ukumiswa okuMgangatho B, kunye namanzi ekukhanyeni kwemini, ukujonga ngokuthe nkqo kwimvelaphi emnyama (jonga i-Spectrophotometry kunye ne-Light-Scattering 851, i-Visual Comparison).[Qaphela—Ukusasazwa kokukhanya kufuneka kube kangangokuba ukunqunyanyiswa okuMgangatho A kube nokwahlulwa ngokulula emanzini, kwaye ukumiswa koMgangatho B kunokwahlulwa ngokulula kuMgangatho wokunqunyanyiswa A. ]
Indlela yokwamkela: Isisombululo seSampuli sibonisa ukucaca okufanayo namanzi.
• Umbala wesisombululo
Isisombululo sesitokhwe esisemgangathweni A: I-Ferric chloride CS, i-cobaltous chloride CS, kunye ne-dilute hydrochloric acid (10 g / L) (2.4: 0.6: 7.0)
Isisombululo sesitokhwe esisemgangathweni B: I-Ferric chloride CS, i-cobaltous chloride CS, i-cupric sulfate CS, kunye ne-dilute hydrochloric acid (10 g/L) (2.4:1.0:0.4:6.2)
Isisombululo sesitokhwe esisemgangathweni C: I-Ferric chloride CS, i-cobaltous chloride CS, kunye ne-cupric sulfate CS (9.6: 0.2: 0.2)
[Qaphela-Lungisa izisombululo ezisemgangathweni ngokukhawuleza phambi kokusetyenziswa.]
Isisombululo esisemgangathweni A: Nciphisa i-2.5 mL yesisombululo sesitokhwe esisemgangathweni A kunye ne-dilute hydrochloric acid (10 g / L) ukuya kwi-100 mL.
Isisombululo esisemgangathweni B: Nciphisa i-2.5 mL yesisombululo esisemgangathweni se-stock B kunye ne-dilute hydrochloric acid ukuya (10 g / L) 100 mL.
Isisombululo esiqhelekileyo C: Nciphisa i-0.75 mL yesisombululo sesitokhwe esisemgangathweni C kunye ne-dilute hydrochloric acid (10 g / L) ukuya kwi-100 mL.
Isisombululo sesampuli: Sebenzisa isisombululo seSampuli esilungiselelwe njengoko kuqondiswe kuvavanyo lweSisombululo esicacileyo.
Uhlalutyo
Iisampulu: Isisombululo esisemgangathweni A, isisombululo esisemgangathweni B, isisombululo esisemgangathweni C, amanzi, kunye nesisombululo seSampuli
Dlulisa inxalenye eyaneleyo yesisombululo seSampuli kwityhubhu yokuvavanya yeglasi engenambala, ecacileyo, engathathi hlangothi enesiseko esicaba kunye nobubanzi bangaphakathi be-15-25 mm ukufumana ubunzulu be-40 mm.Ngokufanayo ukudlulisa iinxalenye zesisombululo esiPhakathi, isisombululo esiPhakathi B, isisombululo esiPhakathi C, kunye namanzi ukwahlula iityhubhu zokuvavanya ezihambelanayo.Thelekisa isisombululo seSampuli, isisombululo esiPhakathi, isisombululo esiPhakathi B, isisombululo esiPhakathi C, kunye namanzi emini edibeneyo, ukujonga ngokuthe ngqo kwimvelaphi emhlophe (jonga i-Spectrophotometry kunye ne-Light-Scattering 851, i-Visual Comparison).
Iinqobo zokwamkelwa: Isisombululo seSampuli asinambala kakhulu kunesisombululo esisemgangathweni A, B, okanye C, okanye amanzi.
• Izinto ezifumaneka kwiCarbonizable
Isampulu: 1.0 g yomgubo weAnhydrous Citric Acid
Uhlalutyo: Dlulisa iSampulu kwi-22- × 175-mm ityhubhu yokuvavanya ngaphambili ehlanjululwe nge-10 mL ye-asidi ye-sulfuric kwaye ivunyelwe ukukhupha i-10 min.Yongeza i-10 mL ye-asidi ye-sulfuric, uphazamise de isisombululo sigqibe, kwaye ucwilise kwindawo yokuhlambela amanzi kwi-90 ± 1 kwi-60 ± 0.5 min, ugcine izinga le-asidi ngaphantsi kwinqanaba lamanzi ngexesha lonke.Pholisa ityhubhu emanzini abalekayo, kwaye uthumele iasidi kwityhubhu yokuthelekisa umbala.
Iindlela zokumkela: Umbala we-asidi awukho mnyama kunomthamo ofanayo we-Matching Fluid K (jonga Umbala kunye ne-Achromicity 631) kwi-tube ehambelanayo, iibhubhu zijongwa ngokuthe nkqo kwimvelaphi emhlophe.
• Iimvavanyo zoBuchule 71: Apho ileyibhile ichaza ukuba iAnhydrous Citric Acid ayinyumba, ifikelela kwiimfuno zovavanyo lwe-sterility Tests 71 kwifomu yedosi efanelekileyo apho kusetyenziswa iAnhydrous Citric Acid.
• Ukumiselwa kwaManzi, iNdlela yoku-I 921: NMT 1.0%
IIMFUNO EZONGEZELELWEYO
• Ukupakishwa kunye noGcino: Londoloza kwizikhongozeli eziqinileyo.Akukho mfuno zogcino zichaziweyo.
• Ukuleyibhile: Apho ilungiselelwe ukusetyenziswa kwizisombululo zedialysis, ibhalwe ngoko.Apho iAnhydrous Citric Acid kufuneka iphantsi koqwalaselo olongezelelweyo ngexesha lokulungiswa kweefomu zedosi etofwayo ukuqinisekisa amanqanaba amkelekileyo eendotoxins zebhaktiriya, ibhalwe ngoko.Apho iAnhydrous Citric Acid inyumba, ibhalwe ngoko.
• ImiGangatho yeReferensi ye-USP 11
USP Citric Acid RS Cofa ukujonga iSakhiwo
USP Endotoxin RS
Ukuthenga njani?Nceda uqhagamshelaneDr. Alvin Huang: sales@ruifuchem.com or alvin@ruifuchem.com
Amava Eminyaka Eli-15?Sineminyaka engaphezu kwe-15 yamava ekwenziweni nasekuthumeleni kumazwe angaphandle uluhlu olubanzi oluphezulu lwamayeza aphakathi okanye amachiza alungileyo.
Iimarike eziphambili?Thengisa kwimarike yasekhaya, eMntla Melika, eYurophu, eIndiya, eKorea, eJapan, eOstreliya, njl.
Iingenelo?Umgangatho ophezulu, ixabiso elifikelelekayo, iinkonzo zengcali kunye nenkxaso yobugcisa, ukuhanjiswa ngokukhawuleza.
UmgangathoIsiqinisekiso?Inkqubo yokulawula umgangatho ongqongqo.Izixhobo zobuchwephesha zokuhlalutya ziquka i-NMR, LC-MS, GC, HPLC, ICP-MS, UV, IR, OR, KF, ROI, LOD, MP, Clarity, Solubility, Microbial limit test, njl.
Iisampulu?Uninzi lweemveliso zibonelela ngeesampulu zasimahla zokuvavanya umgangatho, iindleko zokuthumela kufuneka zihlawulwe ngabathengi.
Factory Audit?Uphicotho-zincwadi lwasefektri wamkelekile.Nceda wenze idinga kwangaphambili.
MOQ?Akukho MOQ.Umyalelo omncinci wamkelekile.
Ixesha lokuzisa? Ukuba ngaphakathi kwesitokhwe, ukuhanjiswa kweentsuku ezintathu kuqinisekisiwe.
Ezothutho?Nge-Express (FedEx, DHL), ngoMoya, ngoLwandle.
Amaxwebhu?Emva kwenkonzo yokuthengisa: I-COA, i-MOA, i-ROS, i-MSDS, njl.
Udibaniso lweSiko?Inokubonelela ngeenkonzo zesiko lokudibanisa ukuze zilungele iimfuno zakho zophando.
Immimiselo yokuhlawula?I-invoyisi yeProforma iya kuthunyelwa kuqala emva kokuqinisekiswa kwe-odolo, efakwe kwiinkcukacha zethu zebhanki.Intlawulo nge-T / T (i-Telex Transfer), i-PayPal, i-Western Union, njl.
Iikhowudi zoMngcipheko
R41 - Umngcipheko womonakalo omkhulu emehlweni
R36/37/38 - Ukucaphukisa emehlweni, inkqubo yokuphefumla kunye nolusu.
R36/38 - Iyacaphukisa emehlweni kunye nolusu.
I-R37/38 - Iyacaphukisa inkqubo yokuphefumla kunye nolusu.
I-R34 - Ibangela ukutsha
R36 - Iyandicaphukisa emehlweni
I-R35 - Ibangela ukutshisa okukhulu
I-R61 - Inokubangela ingozi kumntwana ongekazalwa
I-R60 - Ingaphazamisa ukuchuma
Inkcazelo yoKhuseleko
S26 - Xa udibana namehlo, hlambulula ngokukhawuleza ngamanzi amaninzi kwaye ufune iingcebiso zonyango.
S39 -Nxiba ukhuseleko lwamehlo / ubuso.
I-S37/39 - Nxiba iiglavu ezifanelekileyo kunye nokukhusela amehlo / ubuso
I-S24/25 - Gwema ukudibana nolusu kunye namehlo.
S36/37/39 - Nxiba iimpahla ezifanelekileyo zokukhusela, iiglavu kunye nokukhusela amehlo / ubuso.
S45 - Kwimeko yengozi okanye ukuba uziva ungaphilanga, funa ingcebiso kagqirha ngokukhawuleza (bonisa ileyibhile nanini na kunokwenzeka.)
S36 - Nxiba iimpahla ezifanelekileyo zokukhusela.
S53-Kuphephe ukuvezwa-fumana imiyalelo ekhethekileyo phambi kokusetyenziswa.
Ii-ID ze-UN UN 1789 8/PG 3
WGK eJamani 1
RTECS GE7350000
FLUKA BRAND F IIKHOWUDI 9
TSCA Ewe
Ikhowudi yeHS 2918140000
Ubuthi be-LD50 kwiigundane, iigundane (mmol / kg): 5.0, 4.6 ip (Gruber, Halbeisen)
I-Citric Acid i-asidi ye-organic ebuthakathaka kunye ne-formula C6H8O7.Kusisigcinakaliso sendalo / sigcina indalo kwaye sikwasetyenziselwa ukongeza incasa eneasidi, okanye emuncu, ekutyeni nakwiziselo ezithambileyo.Kwi-biochemistry, i-conjugate base ye-citric acid, i-citrate, ibalulekile njengento ephakathi kumjikelezo we-citric acid, eyenzeka kwi-metabolism yazo zonke izinto eziphilayo ze-aerobic.I-asidi ye-citric yikhemikhali yemveliso, isetyenziswa kakhulu njenge-acidifier, njenge-flavoring, kunye ne-agent e-chelating.
I-Citric Acid yi-arhente ephazamisayo efanelekileyo yezisombululo phakathi kwe-pH 2 kunye ne-pH 8. Iyaziwa kwii-buffers ezininzi kwiindlela ezininzi, i-electrophoresis (SSC Buffer #), ukumisa ukuphendula, ngenxa ye-biopurifications, i-crystallography ... Kwiinkqubo zebhayoloji malunga ne-pH. I-7, iintlobo ezimbini ezikhoyo ziyi-ion citrate kunye ne-mono-hydrogen citrate ion.i-pH yesisombululo se-1 mM se-citric acid iya kuba malunga ne-3.2.
I-Citric Acid i-asidi ebalulekileyo ye-organic, ehlala iqulethe i-molecule yamanzi e-crystal, engenavumba, kunye nencasa emuncu eqinile, i-soluble kalula emanzini.Inosetyenziso oluninzi kwishishini, kwishishini lokutya, kwishishini lezithambiso, njl.
I-Citric Acid isetyenziswa ikakhulu njenge-acidulant ekutyeni, kwaye ikwasetyenziswa ekulungiseleleni ii-agent zokupholisa zamayeza, izongezo zokucoca ezisetyenziswa njengee-reagents zovavanyo, i-Chromatographic Reagents kunye ne-biochemical reagents, ekwasetyenziswa kulungiselelo lwe-buffer.Isetyenziswa kushishino lokutya ngokukodwa njenge arhente yokufaka iasidi, iarhente ye-PH ekhuselayo, kunye nezinye iikhompawundi njenge-arhente yogcino.Kwishishini lokucoca, liyindawo efanelekileyo yephosphate.I-boiler yekhemikhali yokucoca i-agent ye-pickling, i-boiler yekhemikhali yokucoca i-arhente yokucoca.Ikakhulu isetyenziselwa i-asidi yokutya, isetyenziselwa ukulungiswa kwe-agent yokupholisa iyeza, i-detergent ene-citric acid yeyona nto isebenzayo, i-agent ye-asidi esetyenziswa kakhulu.Ukunyibilika okuphezulu, amandla okuchela okuqinileyo kwi-ion zetsimbi, angasetyenziselwa zonke iintlobo zokutya, ngokweemfuno zemveliso zokusetyenziswa okufanelekileyo.Ukongeza, le mveliso inokusetyenziswa njenge-antioxidant Synergist, i-compound potato starch bleach synergist kunye ne-preservative.Isetyenziswa ngokubanzi njenge-acidulant kunye nesongezelelo samayeza ukutya kunye neziselo.Inokusetyenziswa kwakhona njengezinto zokuthambisa, ii-agent zokucoca isinyithi, i-mordant, i-plasticizer engeyona inetyhefu kunye ne-Boiler Scale Inhibitor yezinto eziluhlaza kunye nezongezo.Iimveliso zayo eziphambili zetyuwa ziyi-sodium citrate, i-calcium kunye ne-ammonium salts, njl., i-sodium citrate i-anticoagulant yegazi, i-ferric ammonium citrate ingasetyenziswa njengeyeza legazi.isetyenziswe njenge-reagent yohlalutyo kunye ne-citric acid.
Isetyenziswa njengee-reagents zovavanyo, ii-reagents zohlalutyo lwe-chromatographic kunye ne-biochemical reagents, nazo zisetyenziswa kulungiselelo lwesithinteli.Isetyenziswa kushishino lokutya ngokukodwa njenge arhente yokufaka iasidi, iarhente ye-PH ekhuselayo, kunye nezinye iikhompawundi njenge-arhente yogcino.Kwishishini lokucoca, liyindawo efanelekileyo yephosphate.I-boiler yekhemikhali yokucoca i-agent ye-pickling, i-boiler yekhemikhali yokucoca i-arhente yokucoca.Isetyenziswa kakhulu njenge arhente emuncu ekutyeni, kwaye ikwasetyenziselwa ukulungisa izinto zokupholisa zonyango kunye nezokucoca.
Ngokubhekiselele kwezongezo zokutya, isetyenziswa ikakhulu kwiziselo ezihlaziyayo kunye neemveliso ezivundiweyo ezifana neziselo ze-carbonated, iziselo zejusi yeziqhamo, kunye neziselo ze-lactic acid.Imfuno yayo ixhomekeke kutshintsho kwimozulu yexesha lonyaka.I-Citric acid ibika malunga ne-2/3 yokusetyenziswa okupheleleyo kwama-agent amuncu.
1. Ukongeza i-citric acid kwiziqhamo ezinkonkxiweyo kunokugcina okanye ukuphucula i-flavour yesiqhamo, ukwandisa i-asidi (ukunciphisa ixabiso le-pH) yezinye iziqhamo ezine-asidi ephantsi xa zigcinwe kwiitoti, zenza buthathaka ukumelana nobushushu be-microorganisms kwaye zithintele ukukhula kwazo, kwaye ukuthintela iasidi ephantsi.Ukwandiswa kwebhaktheriya kunye nomonakalo kaninzi kwenzeka kwiziqhamo ezinkonkxiweyo.
2. Ukongeza i-citric acid kwi-candy njenge-agent emuncu kulula ukuhambelana nencasa yeziqhamo.Ukusetyenziswa kwe-citric acid kwi-gel yokutya njenge-jam kunye ne-jelly kunokunciphisa ngokufanelekileyo intlawulo embi ye-pectin, ukwenzela ukuba iibhondi ze-hydrogen phakathi kwee-molecule ze-pectin zikwazi ukufakwa.
3. Xa kucutshungulwa imifuno esemathinini, imifuno ethile i-alkaline, kwaye ukusebenzisa i-citric acid njengomlawuli we-pH ayikwazi nje ukudlala indima ye-seasoning, kodwa iphinde igcine umgangatho wayo.
4. I-citric acid ineempawu ze-chelation kunye nohlengahlengiso lwe-pH, ukwenzela ukuba inokunyusa ukusebenza kwe-antioxidant, inqanda umsebenzi we-enzyme kunye nokwandisa ixesha leshelufu lokutya ekuqhutyweni kokutya okukhawulezayo.
I-Effervescence yinkqubo yokuhanjiswa kweziyobisi ethandwayo kwizithako zomlomo, i-citric acid isabela nge-sodium carbonate okanye i-aqueous sodium bicarbonate ukuvelisa izixa ezikhulu ze-CO2 (IE, effervescence) kunye ne-sodium citrate, evumela ukuba izithako ezisebenzayo kwichiza zinyibilike ngokukhawuleza kwaye ziphucule incasa. .Ngokomzekelo, i-laxatives kunye ne-analgesics inesiphumo sokunyibilikisa.I-Citric acid isiraphu yi-Fever izigulane ezineziselo ezipholileyo, kunye ne-flavour, ukupholisa, i-detoxification effect.i-citric acid isetyenziswa ngokubanzi kwiintlobo ezahlukeneyo zolwelo lwezondlo zomlomo, njl., i-buffering pH 3.5 ~ 4.5, igcina uzinzo lwezithako ezisebenzayo, ukomeleza impembelelo ye-preservatives.Indibaniselwano ye-citric acid kunye nencasa yeziqhamo inika abantu incasa eyintandokazi yokufihla incasa ekrakra yamachiza, ngakumbi iyeza lemveli lamaTshayina.Ukongeza i-0.02% ye-citric acid kwizithako zamanzi zingenza i-complex ye-trace iron kunye nobhedu, ukulibazisa ukuthotywa kwezinto ezisebenzayo.Ukusetyenziswa kwe-0.1% ~ 0.2% ye-citric acid kwi-tablet yokuhlafuna inokuphucula i-flavour ye-tablet kwaye ibe ne-flavour lemon.
I-Citric Acid ine-astringent kunye ne-anti-oxidant properties.Isenokusetyenziswa njengesizinzisi semveliso, isilungelelanisi se-pH, kunye nesigcinakaliso esinamandla aphantsi wokuqonda.Ayiqhelekanga ukucaphukisa ulusu oluqhelekileyo, kodwa inokubangela ukutshisa kunye nokubabomvu xa ifakwe kwisikhumba esiqhekekileyo, esiqhekekileyo, okanye ngenye indlela.Ithathwe kwiziqhamo zesitrasi.
I-Citric Acid isabela kunye ne-oxidizing agents, iziseko, ii-agent zokunciphisa kunye nee-nitrate zetsimbi.Iimpendulo nge-nitrate yentsimbi zinokuba nokudubula.Ukufudumeza ukusa kwinqanaba lokubola kubangela ukukhutshwa komsi omuncu kunye nomsi [Lewis].
Ityhefu ngokufakwa emithanjeni.Yityhefu ephakathi ngeendlela ezingaphantsi kwesikhumba kunye ne-intraperitoneal.Ukutya okunetyhefu kancinci.Iliso elibukhali kunye nolusu oluphakathi olucaphukisayo.I-asidi ye-organic ecasulayo, ezinye iimpawu ze-allergenic.Ulwelo olunokutsha.Ukusabela okunokuthi kuqhume ngeentsimbi zenitrate.Xa ishushu ukuze ibole ikhupha umsi omuncu kunye nomsi.
