D-Serine CAS 312-84-5 HD-Ser-OH Assay 99.0 ~ 101.0% Babban Ingancin Masana'antu

Acidity pH
Ɗauki 0.30g na wannan samfurin, ƙara 30ml na ruwa don narke, kuma auna bisa ga doka (Gaba ɗaya doka 0631).Matsakaicin pH ya kamata ya zama 5.5 ~ 6.5.
Isar da Magani
Ɗauki 1.0g na wannan samfurin, ƙara ruwa 20ml don narke, bisa ga ultraviolet-visible spectrophotometry (General law 0401), ƙayyade watsawa a tsawon 430mn, ba kasa da 98.0%.
Chloride
Ɗauki 0.25g na wannan samfurin kuma duba shi bisa ga doka (Gaba ɗaya doka 0801).Idan aka kwatanta da maganin kulawa da aka yi da 5.0 ml na daidaitaccen maganin sodium chloride, bai kamata ya kasance mai da hankali ba (0.02%).
Sulfate
Ɗauki 1.0g na wannan samfurin kuma duba shi bisa ga doka (Gaba ɗaya doka 0802).Idan aka kwatanta da maganin kulawa da aka yi da 2.0 ml na daidaitaccen bayani na potassium sulfate, bai kamata ya kasance mai girma 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 2.0 ml na daidaitaccen maganin ammonium chloride, ba zai yi zurfi ba (0.02%).
Sauran Amino Acids
Ɗauki adadin da ya dace na wannan samfurin, ƙara ruwa don narkar da kuma tsarma don yin maganin da ke dauke da kimanin 20mg a kowace lml a matsayin maganin gwaji;Ɗauki 1ml don ma'auni daidai kuma saka shi a cikin gilashin ma'auni na 200ml, tsarma zuwa ma'auni da ruwa, girgiza da kyau, a matsayin maganin sarrafawa;Ɗauki adadin da ya dace na ma'aunin serine da methionine bi da bi, kuma sanya a cikin ma'aunin ma'auni guda ɗaya, an ƙara ruwa don narke da diluted don shirya wani bayani mai ɗauke da kusan 0.4mg kowace 1ml a matsayin tsarin da ya dace.Dangane da gwajin chromatography na bakin ciki (General 0502), sha mafita guda uku na sama kowane 5 u1, bi da bi, akan silica gel G bakin bakin ciki farantin, tare da n-butanol-water-glacial acetic acid (3:1:1). don haɓakawa, bayan ƙaddamarwa, bushewar iska, fesa tare da ninhydrin a cikin maganin acetone (1-50), dumama a 80 ° C har sai spots sun bayyana, da kuma bincika nan da nan.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
dauki wannan samfurin, bushe a 105 ℃ na 3 hours, asarar nauyi ba zai wuce 0.2% (General mulki 0831).
Ragowa akan Ignition
Ba fiye da 0.1% (Gaba ɗaya mulkin 0841).
Iron Gishiri
Ɗauki 1.0g na wannan samfurin kuma duba shi bisa ga doka (Gaba ɗaya doka 0807).Idan aka kwatanta da maganin kulawa da aka yi da 0.001% na daidaitaccen maganin ƙarfe, ba zai zama mai zurfi ba ().
Karfe masu nauyi
Ɗauki 2.G na wannan samfurin, ƙara 23ml na ruwa don narkewa, ƙara 2ml na acetate buffer (pH3.5), kuma duba bisa ga doka (dokar farko na ka'idodin 0821), wanda ke dauke da ƙananan ƙarfe ba zai wuce sassa 10 ba. da miliyan.
Gishiri arsenic
Ɗauki wannan samfurin 2. G, ƙara ruwa 23ml narkar da, ƙara hydrochloric acid 5ml, bisa ga binciken doka (General Principles 0822 dokar farko), ya kamata bi tanadi (0.0001%).
Bacterial Endotoxin
Ɗauki wannan samfurin, duba bisa ga doka (General 1143), adadin endotoxin a cikin kowane lg serine ya kamata ya zama ƙasa da 12EU.(Don allura)
312-84-5 - Ƙaddamar da abun ciki
Ɗauki wannan samfurin game da 0.1g, ma'auni madaidaici, ƙara anhydrous formic acid 1 ml don narkewa, ƙara glacial acetic acid 25ml, bisa ga hanyar titration mai ƙarfi (General 0701), tare da maganin titration na perchloric acid (0.1 mol/L), da kuma An gyara sakamakon titration tare da gwaji mara kyau.Kowane 1 ml na maganin titration na perchloric acid (0.1 mol/L) yayi daidai da 10.51 mg na C3H7N03.