L-Glutamic Acid CAS 56-86-0 (H-Glu-OH) Assay 98.5 ~ 100.5% Babban Ingancin Masana'anta

Isar da Magani
Ɗauki wannan samfurin l.Bayan ƙara 2mol/L hydrochloric acid bayani (20ml) da za a narkar da, auna watsawa a tsawon 430nm ta UV-visible spectrophotometry (General law 0401), kuma watsawa ba zai zama kasa da 98.0%.
Chloride
Ɗauki 0.30g na wannan samfurin kuma duba shi bisa ga doka (Gaba ɗaya doka 0801).Idan aka kwatanta da maganin kulawa da aka yi da 6.0ml na daidaitaccen maganin sodium chloride, bai kamata ya kasance mai da hankali ba (0.02%).
Sulfate
Ɗauki 0.50g na wannan samfurin, ƙara 2ml na dilute hydrochloric acid da 5ml na ruwa, girgiza don narkar da, duba bisa ga doka (Gaba ɗaya 0802), kuma kwatanta tare da bayani mai sarrafawa da aka yi da daidaitaccen bayani na potassium sulfate, ba a mayar da hankali ba (0.02). %).
Ammonium gishiri
Ɗauki 0.10g na wannan samfurin kuma duba shi bisa ga doka (Gaba ɗaya doka 0808).Idan aka kwatanta da maganin kulawa da aka yi da 0.02% na daidaitaccen maganin ammonium chloride, ba zai zama mai zurfi ba ().
Sauran Amino Acids
Ɗauki wannan samfurin, ƙara 0.5mol/L hydrochloric acid bayani don narke da kuma tsarma don shirya wani bayani dauke da game da 10 MG da 1ml a matsayin gwajin gwajin;Ɗauki 1ml don ma'auni daidai, a cikin gilashin ma'auni na 0.5, tsoma zuwa ma'auni tare da mol/L hydrochloric acid bayani, girgiza da kyau, kuma amfani dashi azaman maganin sarrafawa, an ƙara A 0.5mol/L hydrochloric acid bayani, narkar da kuma diluted don shirya. wani bayani mai dauke da kusan 10 MG na glutamic acid da MG na aspartic acid a kowace 1ml, bi da bi, a matsayin tsarin da ya dace da tsarin.Bisa ga gwajin chromatography na bakin ciki (Janar 0502), zana 5ul na kowane mafita guda uku na sama, bi da bi, a kan silica gel G thin Layer farantin, tare da n-butanol-water-glacial acetic acid (2:1:1). ) don haɓaka, yadawa, bushewa, fesa tare da ninhydrin a cikin maganin acetone (1-50), zafi a 80 ° C har sai aibobi sun bayyana, kuma nan da nan duba.Maganin sarrafawa ya kamata ya nuna tabo mai haske, kuma tsarin da ya dace ya kamata ya nuna tabo guda biyu gaba ɗaya.Idan maganin gwajin ya nuna alamun rashin tsabta, launi bai kamata ya kasance mai zurfi (0.5%) fiye da babban wurin maganin sarrafawa ba.
Asara akan bushewa
Ɗauki wannan samfurin, bushe zuwa madaidaicin nauyi a 105 ℃, asarar nauyi ba zai wuce 0.5% ba (General rule 0831).
Ragowa akan ƙonewa (kamar yadda Sulfated)
Ɗauki l.0g na wannan samfurin kuma duba shi bisa ga doka (Gaba ɗaya doka 0841).Ragowar hagu kada ta wuce 0.1%.
Iron Gishiri
Ɗauki 2.0g na wannan samfurin, ƙara 6mL na dilute hydrochloric acid da adadin ruwa mai dacewa, zafi don narkewa, sanyi, ƙara ruwa zuwa 25ml, kuma duba bisa ga doka (Gaba ɗaya 0807), kada ya zama zurfi (0.0005% ) fiye da maganin sarrafawa wanda aka yi da daidaitaccen maganin ƙarfe.
Karfe masu nauyi
Ragowar da aka bari a ƙarƙashin abin shan ragowar ƙonewa ba zai ƙunshi fiye da sassa 10 a kowace miliyan na ƙarfe mai nauyi ba lokacin da doka ta bincika (General Principles 0821, Law II).
Gishiri arsenic
Ɗauki 2.0g na wannan samfurin, ƙara 5ml na hydrochloric acid da 23ml na ruwa don narkewa, duba bisa ga doka (General Principles 0822 dokar farko), ya kamata ya bi tanadi (0.0001%).
Pyrogen
Wannan samfurin ana diluted da sodium chloride allura don yin maganin da ke dauke da 20mg a kowace lml, mai zafi don narkewa, bari sanyi zuwa 37 ° C, da kuma duba bisa ga doka (General law 1142), kashi bisa ga nauyin jikin zomo a kowace lkg allura 10ml , ya kamata a bi ka'idodin.(Don allura)
56-86-0 - Ƙaddamar da abun ciki
Ɗauki wannan samfurin game da 0.25g, ma'auni daidai, ƙara ruwan zãfi 50ml don narke, bar sanyi, ƙara 5 saukad da na bromothymol blue nuna alama bayani, da kuma amfani da sodium hydroxide titration bayani (0.1 mol / L) titration zuwa bayani daga rawaya zuwa blue- kore.Kowane 1 ml na maganin titration sodium hydroxide (0.1 mol/L) yayi daidai da 14.71mg na C5H9N04.