D-Tryptophan CAS 153-94-6 (HD-Trp-OH) Ụlọ ọrụ nyocha 98.5 ~ 101.0%

Acidity
Were 1g nke ngwaahịa a, tinye 50ml mmiri ka ọ gbazee, ma tụọ dịka iwu siri dị (Izugbe Iwu 5.4).Uru pH kwesịrị ịbụ 5.4 ~ 6.4.
Mbufe nke ngwọta
were 0.5g nke ngwaahịa a, tinye 2mol/L hydrochloric acid ngwọta 20ml ka igbari, dị ka ultraviolet-visible spectrophotometry (General rule 0401), tụọ nnyefe na 430nm wavelength, ọ bụghị ihe na-erughị 95.0%.
Chloride
Were 0.25g nke ngwaahịa a wee lelee ya dịka iwu siri dị (Iwu izugbe 0801).E jiri ya tụnyere ngwọta njikwa nke 0.02% nke ọkọlọtọ sodium chloride ngwọta, ọ gaghị etinyekwu uche ().
Sulfate
Were l.0g nke ngwaahịa a wee lelee ya dịka iwu siri dị (Iwu izugbe 0802).E jiri ya tụnyere ngwọta njikwa nke 0.02% nke ngwọta potassium sulfate ọkọlọtọ, ekwesighi itinye uche karịa ().
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 0.30g nke ngwaahịa a, tinye ya na mpempe akwụkwọ 20ml, tinye 1 mol / L hydrochloric acid ngwọta 1 ml na mmiri ka ọ gbazee, gbanye mmiri na ọnụ ọgụgụ, maa jijiji nke ọma, dị ka ngwọta ule;were 1 ml nke oma, tinye ya n'ime ite ihe 200ml, gbanye ya ka o jiri mmiri rie ya, maa jijiji nke oma, were ya mee ihe nchikota.Were 10mg nke tryptophan njikwa na tyrosine njikwa, ma tinye ya na otu 25ml ntụ flask, 1 ml nke 1 mol/L hydrochloric acid ngwọta na kwesịrị ekwesị nke mmiri na-agbakwunyere ka igbari ngwọta.A na-eji mmiri wụsa ihe ngwọta ahụ na ọnụ ọgụgụ ahụ wee maa jijiji iji mepụta ngwọta kwesịrị ekwesị maka usoro ahụ.Dị ka mkpa oyi akwa chromatography (General 0502) ule, banye n'elu atọ ngwọta nke ọ bụla 2 μL, n'otu n'otu, na otu silica gel G thin Layer efere, na n-butanol-glacial acetic acid-mmiri (3:1:1). ịgbasa, gbasaa, nkụ, fesa ninhydrin na ngwọta acetone (1-50), okpomọkụ na 80 ℃ ruo mgbe ebe * pụtara, wee lelee 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
Were 1.0g nke ngwaahịa a wee lelee ya dịka iwu siri dị (Iwu izugbe 0841).Nke fọdụrụ agaghị agafe 0.1%.
Nnu Ígwè
Were ngwaahịa a 1.0g mgbe ọkụ na ntụ, tinye hydrochloric acid (2ml) na nke fọdụrụnụ, kpochaa ya na mmiri ịsa ahụ, wee tinye dilute hydrochloric acid (4ml), gbazee ya na obere okpomọkụ, tinye mmiri (30ml) na ammonium persulfate. (50mg), ma lelee ya dịka iwu siri dị (Iwu n'ozuzu 0807), o kwesịghị ịdị omimi (0.002%) karịa ngwọta nchịkwa nke e ji ígwè ígwè mee ihe.
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 dị ka iwu (Iwu General 0822 mbụ iwu), kwesịrị ịgbaso ndokwa (0.0001%).
Endotoxin nke nje bacteria
Were ngwaahịa a, gbakwunye mmiri ule endotoxin mmadụ, wee kpoo ọkụ ruo 80 ℃ iji gbazee ya, lelee dịka iwu siri dị (General 1143), lg ọ bụla nke tryptophan nwere endotoxin kwesịrị ịbụ ihe na-erughị 50EU.(Maka injection)
Mkpebi ọdịnaya
Were ngwaahịa a ihe dị ka 0.15g, ịdị arọ ziri ezi, gbakwunye anhydrous formic acid 3ml etisasịwo, tinye glacial acetic acid 50ml, dị ka ike titration usoro (General 0701), na hydrochloric acid titration ngwọta (0.1 mol/L) titration, na na ejiri ule efu dezie nsonaazụ titration ahụ.Nke ọ bụla 1 ml nke ngwọta titration perchloric acid (0.1 mol/L) dabara na 20.42mg nke C11H12N2O2.