L-Glutamic Acid CAS 56-86-0 (H-Glu-OH) Nyocha 98.5 ~ 100.5% Ụlọ ọrụ dị elu

Mbufe nke Ngwọta
Were ngwaahịa a l.Mgbe agbakwunyere 2mol/L hydrochloric acid solution (20ml) ka agbazere, tụọ nnyefe na ogologo wavelength nke 430nm site na UV-visible spectrophotometry (General rule 0401), na nnyefe agaghị abụ ihe na-erughị 98.0%.
Chloride
Were 0.30g nke ngwaahịa a wee lelee ya dịka iwu siri dị (Iwu izugbe 0801).E jiri ya tụnyere ngwọta njikwa nke 6.0ml nke ọkọlọtọ sodium chloride ngwọta, o kwesịghị itinye uche karịa (0.02%).
Sulfate
Were 0.50g nke ngwaahịa a, gbakwunye 2ml nke dilute hydrochloric acid na 5ml mmiri, maa jijiji ka ọ gbazee, lelee dịka iwu siri dị (Iwu izugbe 0802), ma jiri ya tụnyere ngwọta nchịkwa nke ọkọlọtọ potassium sulfate ngwọta, enweghị ike itinye uche (0.02). %).
Ammonium nnu
Were 0.10g nke ngwaahịa a wee lelee ya dịka iwu siri dị (Iwu izugbe 0808).E jiri ya tụnyere ngwọta nchịkwa nke 0.02% nke ọkọlọtọ ammonium chloride ngwọta, ọ gaghị adị omimi ().
Amino acid ndị ọzọ
Were ngwaahịa a, tinye 0.5mol/L hydrochloric acid ngwọta ka igbari na itughari iji kwadebe ngwọta nwere banyere 10 mg kwa 1ml dị ka a ule ngwọta;Were 1ml maka nha nkenke, na flask ihe 0.5, jiri mmiri mol/L hydrochloric acid mee ka nha nha, maa jijiji nke ọma, were mee ihe dị ka ihe nchịkwa, agbakwunyere 0.5mol/L hydrochloric acid solution, gbazere na diluted iji kwadebe. ngwọta nwere ihe dị ka 10 mg nke glutamic acid na MG nke aspartic acid kwa 1ml, n'otu n'otu, dị ka usoro kwesịrị ekwesị ngwọta.Dị ka mkpa oyi akwa chromatography (General 0502) ule, see 5ul nke ọ bụla n'ime atọ ndị dị n'elu ngwọta, karị, na otu silica gel G thin Layer efere, na n-butanol-water-glacial acetic acid (2:1:1). ) ịzụlite, gbasaa, nkụ, fesa ninhydrin na ngwọta acetone (1-50), okpomọkụ na 80 Celsius ruo mgbe ntụpọ pụtara, wee nyochaa 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, kpọọ nkụ ka ọ dị arọ mgbe niile na 105 ℃, oke ibu agaghị agafe 0.5% (Iwu n'ozuzu 0831).
Ihe fọdụrụ na mgbanye (dị ka sulfated)
Were l.0g nke ngwaahịa a wee lelee ya dịka iwu siri dị (Iwu izugbe 0841).Nke fọdụrụ agaghị agafe 0.1%.
Nnu Ígwè
Were 2.0g nke ngwaahịa a, gbakwunye 6mL nke dilute hydrochloric acid na mmiri kwesịrị ekwesị, kpoo ọkụ ka ọ gbazee, dị jụụ, tinye mmiri na 25ml, wee lelee dịka iwu siri dị (Iwu 0807), o kwesịghị ịdị omimi (0.0005% ) karịa ngwọta nchịkwa nke ọkọlọtọ ígwè ngwọta.
Ọla dị arọ
Nke fọdụrụ n'okpuru ihe nke iwere ihe fọdụrụ mgbanye agaghị enwe ihe karịrị akụkụ 10 kwa nde ígwè dị arọ mgbe iwu nyochara ya (General Principles 0821, Law II).
Nnu Arsenic
Were 2.0g nke ngwaahịa a, tinye 5ml nke hydrochloric acid na 23ml mmiri iji gbazee, lelee dịka iwu (General Principles 0822 iwu mbụ), kwesịrị ịgbaso ndokwa (0.0001%).
Pyrogen
A na-agbaze ngwaahịa a na ọgwụ ogwu sodium chloride iji mee ngwọta nwere 20mg kwa lml, kpoo ọkụ ka ọ gbazee, hapụ ya ka ọ dị jụụ ruo 37 Celsius C, wee lelee dịka iwu siri dị (Iwu n'ozuzu 1142), dose dị ka oke oke bekee si lkg injection 10ml. , kwesịrị ịgbaso ndokwa.(Maka injection)
56-86-0 - Mkpebi ọdịnaya
Were ngwaahịa a ihe dị ka 0.25g, nha nkenke, gbakwunye mmiri esi esi 50ml ka ọ gbazee, hapụ ya ka ọ dị jụụ, tinye 5 tụlee nke bromothymol blue egosi ngwọta, ma jiri sodium hydroxide titration solution (0.1 mol/L) titration na ngwọta site na odo na-acha anụnụ anụnụ- akwụkwọ ndụ akwụkwọ ndụ.1 ml nke sodium hydroxide titration ngwọta (0.1 mol/L) dabara na 14.71mg nke C5H9N04.