DNPH

基本解釋

The crotonaldehyde were extracted from the silica gel by ultrasonic treatment with DNPH solution.
硅膠管采樣,2,4-二硝基苯肼(DNPH)溶液在超聲中洗脫,高效液相色譜分離,二極管陣列檢測器檢測。
Using benzene as internal standard,the calibration factors of derivative of aldehydes 2,4-dinitrophenylhydrazine(DNPH) were measured.
將醛類物質(zhì)與2;4-二硝基苯肼(DNPH)的衍生反應(yīng)液直接進(jìn)樣;以苯為內(nèi)標(biāo)物;測定了甲醛、乙醛等醛類物質(zhì)DNPH衍生物的校正因子.
Quantity of trace formaldehyde and acetaldehyde in beer could be directly determined by LC-MS/MS based on standard curve after derived by 2, 4- DNPH.
摘要啤酒中的微量甲醛和乙醛經(jīng)2，4-二硝基苯肼衍生后直接用LC-MS/MS檢測，標(biāo)準(zhǔn)曲線定量。
Dinitrophenylhydrazine(DNPH) and aldehyde or ketone can react and form 2,4-dinitrophenylhydrazone that can be injected directly on the gas chromatography(GC).
利用2,4二硝基苯肼(DNPH)與醛、酮類化合物反應(yīng)生成穩(wěn)定的衍生物2,4二硝基苯腙,對所生成的DNPH衍生物溶液直接進(jìn)行氣相色譜分析;
Keywords carbonyls;DNPH;HPLC;atmosphere;Pearl River Delta;
羰基化合物;2;4-二硝基苯肼;高效液相色譜;大氣;珠江三角洲;