D-Serine CAS 312-84-5 HD-Ser-OH Assay 99.0~101.0% Ụlọ ọrụ dị elu

Acidity pH
Were 0.30g nke ngwaahịa a, tinye 30ml mmiri ka ọ gbazee, ma tụọ dịka iwu siri dị (Iwu n'ozuzu 0631).Uru pH kwesịrị ịbụ 5.5 ~ 6.5.
Mbufe nke Ngwọta
were 1.0g nke ngwaahịa a, tinye mmiri 20ml ka igbari, dị ka ultraviolet-visible spectrophotometry (General rule 0401), chọpụta transmittance na wavelength nke 430mn, ọ bụghị ihe na-erughị 98.0%.
Chloride
Were 0.25g nke ngwaahịa a wee lelee ya dịka iwu siri dị (Iwu izugbe 0801).E jiri ya tụnyere ngwọta nchịkwa mere nke 5.0 ml nke ọkọlọtọ sodium chloride ngwọta, ọ gaghị etinye uche karịa (0.02%).
Sulfate
Were 1.0g nke ngwaahịa a wee lelee ya dịka iwu siri dị (Iwu izugbe 0802).E jiri ya tụnyere ngwọta njikwa nke 2.0 ml nke ọkọlọtọ potassium sulfate ngwọta, ọ gaghị etinyekwu uche karịa (0.02%).
Ammonium nnu
were 0.10g nke ngwaahịa a wee lelee ya dịka iwu siri dị (Iwu n'ozuzu 0808).E jiri ya tụnyere ngwọta nchịkwa nke 2.0 ml nke ọkọlọtọ ammonium chloride ngwọta, ọ gaghị adị omimi (0.02%).
Amino acid ndị ọzọ
Were ego kwesịrị ekwesị nke ngwaahịa a, gbakwunye mmiri ka ọ gbazee na itughari iji mee ihe ngwọta nwere ihe dị ka 20mg kwa lml dị ka ngwọta ule;Were 1ml maka nha nkenke ma tinye ya n'ime efere nha 200ml, gbanye ya na mmiri, maa jijiji nke ọma, dịka ngwọta nchịkwa;Were ihe kwesịrị ekwesị nke serine reference na methionine n'otu n'otu, ma tinye n'ime otu flask ihe atụ, a na-agbakwunye mmiri ka ọ gbazee ma gbanye ya iji kwadebe ngwọta nwere ihe dị ka 0.4mg nke ọ bụla n'ime 1ml dị ka usoro kwesịrị ekwesị ngwọta.Dị ka mkpa oyi akwa chromatography (General 0502) ule, banye n'elu atọ ngwọta ọ bụla 5 u1, karị, na otu silica gel G mkpa oyi akwa efere, na n-butanol-water-glacial acetic acid (3:1:1). maka mmepe, mgbe etinyere ya, ihicha ikuku, fesa ninhydrin na ngwọta acetone (1-50), kpo oku na 80 Celsius ruo mgbe ntụpọ pụtara, na nyocha ozugbo.Ngwọta nchịkwa kwesịrị igosi ntụpọ doro anya, na usoro ọgwụgwọ ọdabara kwesịrị igosi ntụpọ abụọ kewapụrụ kpamkpam.Ọ bụrụ na ngwọta ule na-egosi ntụpọ adịghị ọcha, agba ekwesịghị ịdị omimi (0.5%) karịa isi ntụpọ nke ngwọta nchịkwa.
Ọnwụ na ihicha
were ngwaahịa a, kpoo na 105 ℃ maka awa 3, ọnwụ nke ịdị arọ agaghị agafe 0.2% (Iwu n'ozuzu 0831).
Ihe fọdụrụ na mgbanye
Ọ bụghị karịa 0.1% (Iwu n'ozuzu 0841).
Nnu Ígwè
Were 1.0g ngwaahịa a wee lelee ya dịka iwu siri dị (Iwu izugbe 0807).E jiri ya tụnyere ngwọta nchịkwa nke 0.001% nke ngwọta ígwè ọkọlọtọ, ọ gaghị adị omimi ().
Ọla dị arọ
Were 2.G nke ngwaahịa a, tinye 23ml mmiri iji gbazee, tinye 2ml nke acetate buffer (pH3.5), wee lelee dịka iwu siri dị (iwu mbụ nke iwu izugbe 0821), nwere ọla dị arọ agaghị agafe akụkụ 10. kwa nde.
Nnu Arsenic
Were ngwaahịa a 2. G, tinye mmiri 23ml gbazere, tinye hydrochloric acid 5ml, dị ka nyocha iwu (General Principles 0822 iwu mbụ), kwesịrị ịgbaso ndokwa (0.0001%).
Endotoxin nke nje bacteria
Were ngwaahịa a, lelee dịka iwu siri dị (General 1143), ọnụọgụ endotoxin na lg serine ọ bụla kwesịrị ịbụ ihe na-erughị 12EU.(Maka injection)
312-84-5 - Mkpebi ọdịnaya
Were ngwaahịa a ihe dị ka 0.1g, ịdị arọ ziri ezi, gbakwunye anhydrous formic acid 1 ml ka ọ gbazee, tinye glacial acetic acid 25ml, dị ka usoro titration potentiometric (General 0701), na ngwọta titration perchloric acid (0.1 mol/L), na titration. Ejiri ule efu dezie nsonaazụ nke titration.Nke ọ bụla 1 ml nke ngwọta titration perchloric acid (0.1 mol/L) dabara na 10.51 mg nke C3H7N03.