L-Aspartic Acid CAS 56-84-8 (H-Asp-OH) Assay 98.5 ~ 101.0% Babban Ingancin Masana'anta

L-Aspartic Acid, idan ya bushe, ya ƙunshi bai wuce 98.5% ba kuma bai wuce 101.0% na L-Aspartic Acid (C4H7NO4).
Bayanin L-Aspartic Acid yana faruwa azaman fari, lu'ulu'u orcrystalline foda.Yana da ɗan narkewa cikin ruwa, kuma a zahiri baya narkewa a cikin ethanol (99.5).Yana narke a cikin dilute hydrochloric acid kuma a cikin 0.2 mol/L sodium hydroxide TS.
Gane Ƙayyade nau'in shayarwar infrared na L-Aspartic Acid kamar yadda aka umarce shi a cikin hanyar faifan potassium bromide a ƙarƙashin Infrared Spectrophotometry <2.25>, kuma kwatanta bakan tare da Bakin Magana: duka spectrared suna nuna irin ƙarfin sha a lambobi iri ɗaya.
Juyawa na gani <2.49> [a] 20D: +24.0 ~ + 26.0° (2 g, bayan bushewa, 6 mol/L hydrochloric acid TS, 25 ml, 100 mm).
pH <2.54> Narke 0.4 g na L-Aspartic Acid a cikin 100 ml na ruwa ta hanyar dumama, kuma ba da damar yin sanyi: tsakanin 2.5 da 3.5.
Tsaftace (1) Tsaftace da launi na bayani-Narke 1.0 g na L-Aspartic Acid a cikin 20 ml na 1 mol/L hydrochloric acid TS: bayani a bayyane yake kuma mara launi.
(2) Chloride <1.03>-Narke 0.5 g na L-Aspartic Acid a cikin 6 ml na dilute nitric acid da 20 ml na ruwa, ƙara ruwa don yin 50 ml, sannan a yi gwajin tare da wannan maganin azaman maganin gwajin.Shirya maganin sarrafawa tare da 0.30 ml na 0.01 mol / L hydrochloric acid VS (ba fiye da 0.021%) ba.
(3) Sulfate <1.14>-Narke 0.6 g na L-Aspartic Acid a cikin 5 ml na dilute hydrochloric acid da 30 ml na ruwa, ƙara ruwa don yin 45 ml, kuma ƙara 5 ml na barium chloride TS.Yi gwajin tare da wannan maganin azaman maganin gwajin.Pre-pare maganin sarrafawa tare da 0.35 ml na 0.005 mol/L sulfuric acid VS, ƙara 5 ml na dilute hydrochloric acid da ruwa don yin 45 ml, kuma ƙara 5 ml na barium chloride (ba fiye da 0.028 ~).
(4) Ammonium <1.02> - Yi gwajin tare da 0.25 g na L-Aspartic Acid.Shirya maganin sarrafawa tare da 5.0 ml na Standard Ammonium Solution (bai wuce 0.02z ba)
(5) Karfe mai nauyi <1.07>- Ci gaba da 1.0 g na L-Aspartic Acid bisa ga Hanyar 4, kuma yi gwajin.Shirya maganin sarrafawa tare da 1.0 ml na Maganin Gubar Jagora (ba fiye da 10 ppm ba).
(6) Iron <1.10> -Shirya maganin gwajin gwaji tare da 1.0 g na L-Aspartic Acid bisa ga Hanyar 1, da kuma yin gwajin gwaji zuwa Hanyar A. ppm).
(7) Abubuwan da ke da alaƙa-Narke 0.20 g na L-AsparticAcid a cikin 10 ml na 0.2 mol/L sodium hydroxide TS, kuma amfani da wannan maganin azaman maganin samfurin.Pipet 1 ml na maganin samfurin, ƙara ruwa don yin daidai 10 ml.Pipet 1 mLof wannan maganin, ƙara ruwa don yin daidai 50 ml, kuma amfani da wannan bayani azaman daidaitaccen bayani.Yi gwajin tare da waɗannan mafita kamar yadda aka umurce su a ƙarƙashin Thin-Layer Chromatogra-phy<2.03>.Spot 5mL kowanne daga cikin samfurin bayani da kuma tsayawa-ard bayani a kan farantin silica gel don bakin ciki-Layer chromatog-raphy, tasowa tare da cakuda 1-butanol, ruwa da aceticacid (100) (3: 1: 1) zuwa nisa na kusan 10 cm, kuma bushe farantin a 809C na minti 30.Fesa maganin nin-hydrin daidai a cikin cakuda methanol da acetic acid (100) (97: 3) (1 cikin 100), da zafi a 80 ℃ na mintuna 10: wurin ban da babban tabo da aka samu tare da samfurin. Magani bai fi tsanani fiye da tabo da aka samu tare da daidaitaccen bayani ba.
Asara akan bushewa <2.41> Bai wuce 0.30% ba (1 g, 105 ℃, 3 hours).
Ragowa akan ƙonewa <2.44> Bai wuce 0.1% ba (1 g).
Assay Nauyin daidai 0.15 g na L-Aspartic Acid, wanda a baya ya bushe, narke cikin 50 ml na ruwa ta dumama.Bayan sanyaya, titrate <2.50> tare da 0.1 mo/L sodium hydroxide VS (titration potentiometric).Yi ƙayyadaddun ƙayyadaddun ƙayyadaddun ƙayyadaddun ƙayyadaddun tsari, da yin duk wani gyara da ya dace.
Kowane ml na 0.1 mol/L sodium hydroxide VS 13.31 MG na C4H7NO4
Kwantena da Akwatunan ajiya - Kwantena masu tsauri.