L-Glutamic Acid CAS 56-86-0 (H-Glu-OH) Assay 98.5~100.5% Factory High Quality

Whakawhitinga o te Otinga
Tangohia tenei hua l.I muri i te taapiri i te 2mol/L wairewa waikawa waikawa (20ml) kia rewa, me ine te whakawhiti i te roangaru o te 430nm ma te UV-kitea spectrophotometry (Ture Whanui 0401), me te tuku kia kaua e iti iho i te 98.0%.
pūhaumāota
Tangohia te 0.30g o tenei hua ka tirohia i runga i te ture (Ture Whanui 0801).Ka whakatauritea ki te otinga whakahaere i mahia mai i te 6.0ml o te wairewa konutai konutai paerewa, kaua e nui ake te aro (0.02%).
pūkawa
Tangohia te 0.50g o tenei hua, tāpirihia te 2ml waikawa pūmāota waimeha me te 5ml o te wai, ruia kia memeha, tirohia kia rite ki te ture (Ture Whanui 0802), ka whakataurite ki te otinga whakahaere o te wairewa konupora konukawata paerewa, kare ake te kukū (0.02). %).
Te tote haukinia
Tangohia te 0.10g o tenei hua ka tirohia i runga i te ture (Ture Whanui 0808).Ka whakatauritea ki te otinga whakahaere i mahia mai i te 0.02% o te wairewa haukinia haukinia paerewa, kaua e hohonu ake ().
Ētahi atu waikawa Amino
Tangohia tenei hua, tāpirihia te 0.5mol/L wairewa waikawa pūmāota ki te memeha me te waimeha hei whakarite i tetahi otinga kei roto i te 10 mg ia 1ml hei otinga whakamatautau;Tangohia te 1ml mo te inenga tika, i roto i te ipu ine 0.5, waimeha ki te tauine ki te wairewa waikawa mol/L, ruru pai, me te whakamahi hei otinga whakahaere, He 0.5mol/L wairewa waikawa maatai ​​i tapirihia, ka rewa ka diluted hei whakarite. he otinga kei roto tata ki te 10 mg o te waikawa glutamic me te MG o te waikawa aspartic mo ia 1ml, hei otinga e pai ana ki te punaha.E ai ki te whakamatautau chromatography paparanga angiangi (General 0502), tuhia te 5ul o ia wairewa e toru o runga ake nei, ki runga i te pereti paparanga angiangi silica gel G, me te waikawa acettic n-butanol-wai-glacial (2:1:1). ) ki te whakawhanake, ki te horahia, ki te whakamaroke, ki te rehu ki te ninhydrin i roto i te wairewa acetone (1-50), whakamahana i te 80°C kia puta mai nga waahi, me te tirotiro tonu.Ko te otinga whakahaere me whakaatu he waahi marama, me te otinga e tika ana ma te punaha e whakaatu kia rua nga waahanga kua wehea.Mena ka whakaatuhia e te otinga whakamatautau nga waahi poke, kaua te tae e hohonu ake (0.5%) i te waahi matua o te otinga whakahaere.
Ngaronga i te whakamaroke
Tangohia tenei hua, maroke ki te taumaha tonu i te 105 ℃, kaua e neke ake te mate taimaha i te 0.5% (Ture Whanui 0831).
Te toenga i runga i te mura (he mea ngongo)
Tangohia te l.0g o tenei hua ka tirohia i runga i te ture (Ture whanui 0841).Ko te toenga e toe ana kaua e neke ake i te 0.1%.
Tote rino
Tangohia te 2.0g o tenei hua, tāpirihia te 6mL o te waikawa pūmāota waimeha me te nui o te wai, te wera kia memeha, whakamatao, tāpirihia te wai ki te 25ml, ka tirohia kia rite ki te ture (Ture Whanui 0807), kia kaua e hohonu ake (0.0005% ) atu i te otinga whakahaere i hangaia i te otinga rino paerewa.
Nga Korewa Taamaha
Ko te toenga e waiho ana i raro i te mea tango i te toenga mura kia kaua e neke ake i te 10 nga wahanga mo ia miriona o te konganuku taumaha ina tirohia e te ture (General Principles 0821, Ture II).
Tote Arsenic
Tangohia te 2.0g o tenei hua, tāpirihia te 5ml waikawa pūmāota me te 23ml wai kia memeha, tirohia kia rite ki te ture (General Principles 0822 first law), me ū ki nga tikanga (0.0001%).
Pyrogen
Ka waimeha tenei hua ki te werohanga konutai pūhaumāota ki te hanga i te otinga kei roto 20mg ia lml, whakamahana ki te memeha, kia whakamatao ki te 37°C, ka tirohia kia rite ki te ture (Ture General 1142), horopeta rite ki te taimaha tinana rapeti ia lkg werohanga 10ml , me whai ki nga tikanga.(Mo te werohanga)
56-86-0 - Te whakatau kaupapa
Tangohia tenei hua mo te 0.25g, te pauna tika, tāpirihia te wai kohua 50ml kia memeha, kia whakamatao, tāpirihia kia 5 pata o te bromothymol blue indicator solution, ka whakamahi i te konutai hydroxide titration solution (0.1 mol/L) ki te otinga mai i te kowhai ki te puru- kākāriki.Ia 1 ml o te konutai wairewa titration wairewa (0.1 mol/L) e rite ana ki te 14.71mg o C5H9N04.