D-Histidine CAS 351-50-8 HD-His-OH Assay 98.5~101.0% Warshada

pH
Qaado 1.0g oo badeecadan ah, ku dar 50ml oo biyo ah si aad u milanto, una cabbir si waafaqsan sharciga (Xeerka Guud 0631).Qiimaha pH waa inuu noqdaa 7.0 ~ 8.5.
Gudbinta Xalka
Qaado 0.60g oo badeecadan ah, ku dar biyo 20ml si aad u milmaan, marka loo eego UV-muuqaal spectrophotometry (Sharciga Guud 0401), ku cabir gudbinta 430nm dhererka hirarka, aan ka yarayn 98.0%.
Chloride
Qaado 0.25g ee alaabtan oo hubi si waafaqsan sharciga (Xeerka Guud 0801).Marka la barbar dhigo xalka kantaroolka ee laga sameeyay 0.02% ee xalka sodium chloride caadiga ah, waa in aanu noqon mid xoog badan ().
Sulfate
Qaado 1.0g oo alaabtan ah oo hubi si waafaqsan sharciga (xeerka guud 0802).Marka la barbar dhigo xalka kantaroolka ee laga sameeyay 0.02% ee xalka potassium sulfate ee caadiga ah, waa in aanu noqon mid xoog badan ().
Cusbada Ammonium
qaado 0.10g ee alaabtan oo hubi si waafaqsan sharciga (Xeerka Guud 0808).Marka la barbar dhigo xalka kantaroolka ee laga sameeyay 0.02% ee xalka ammonium chloride caadiga ah, ma noqon doono mid qoto dheer ().
Amino Acids kale
Qaado qadar ku habboon alaabtan, ku dar biyo si aad u milmaan oo u milo si aad u samayso xal ka kooban 10 mg halkii lml sida xal tijaabo ah;Qaado 1ml cabbirka saxda ah oo ku rid weel cabbir ah 200ml, ku qas biyo, si fiican u rux, sida xal xakamaynta;Qaado qaddarka ku habboon ee tixraaca histidine iyo tixraaca proline siday u kala horreeyaan, oo ku rid isla weelka cabbirka, biyaha ayaa lagu daray in la milmaan oo la qaso si loo diyaariyo xal ka kooban 0.4mg midkiiba 1ml sidii xal ku habboon nidaamka.Marka loo eego tijaabada lakabka khafiifka ah ee chromatography (General 0502), Ku sawir 5 u1 mid kasta oo ka mid ah saddexda xal ee kor ku xusan, siday u kala horreeyaan farta isla isla jel silica G saxan lakab khafiif ah, oo leh N-propanol-concentrated ammonia (67:33) sida samaynta dareere, balaadhi, qallaji, ku buufi ninhydrin oo ku jira dareeraha acetone (1-50), kulayl 80°C ilaa ay dhibco ka soo baxaan, isla markiiba baadh.Xalka xakamaynta waa inuu muujiyaa meel cad, iyo nidaamka xalka lagu dabaqi karo waa inuu muujiyaa laba dhibcood oo gebi ahaanba kala duwan.Haddii xalka imtixaanku muujiyo dhibco wasakhaysan, midabku waa inaanu ka qoto dheerayn (0.5%) marka loo eego meesha ugu muhiimsan ee xalka xakamaynta.
Khasaare xagga qalajinta
Qaado alaabtan, qallaji at 105 ℃ 3 saacadood, luminta miisaanka waa in aanu dhaafin 0.2% (Sharciga Guud 0831).
Hadhaaga dabka
Aan ka badnayn 0.1% (xeerka guud 0841).
Cusbada Birta
qaado 1.0g oo alaabtan ah oo hubi si waafaqsan sharciga (Xeerka Guud 0807).Marka la barbardhigo xalka xakamaynta ee laga sameeyay 0.001% ee xalalka birta caadiga ah, ma noqon doonto mid qoto dheer ().
Biraha culus
Alaabtan 1.0g, kormeerka sida uu qabo sharciga (Mabaadi'da Guud 0821 Sharciga koowaad), oo ka kooban biraha culus waa in aanu dhaafin 10 qaybood halkii milyan.
Cusbada Arsenic
Qaado 2.0g oo badeecadan ah, ku dar 23ml oo biyo ah si ay u milmaan, ku dar 5ml oo ah hydrochloric acid, hubi sida uu qabo sharciga (Xeerka guud 0822 sharciga koowaad), waa in uu u hoggaansamo qodobada (0.0001%).
Bakteeriyada Endotoxin
Qaado alaabtan, hubi sida waafaqsan sharciga (Xeerka Guud 1143), lg kasta oo histidine ka kooban endotoxin waa inuu ka yaraado 6.0EU.(Dirridda)
351-50-8 - Go'aaminta nuxurka
Qaado alaabtan oo ku saabsan 0.15g, miisaan sax ah, ku dar anhydrous formic acid 2ml si ay u milaan, ku dar glacial acetic acid 50ml, sida uu qabo habka titration iman kara (Xeerka Guud 0701), oo leh xal titration perchloric acid (0.1 mol/L) titration, iyo Natiijooyinka titration-ka ayaa lagu saxay imtixaan maran.Mid kasta oo 1 ml ah xal titration perchloric acid (0.1 mol/L) waxay u dhigantaa 15.52mg ee C6H9N302.