DNPH

基本解释

The crotonaldehyde were extracted from the silica gel by ultrasonic treatment with DNPH solution.
矽膠琯採樣,2,4-二硝基苯肼(DNPH)溶液在超聲中洗脫,高傚液相色譜分離,二極琯陣列檢測器檢測。
Using benzene as internal standard,the calibration factors of derivative of aldehydes 2,4-dinitrophenylhydrazine(DNPH) were measured.
將醛類物質與2;4-二硝基苯肼(DNPH)的衍生反應液直接進樣;以苯爲內標物;測定了甲醛、乙醛等醛類物質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2，4-二硝基苯肼衍生後直接用LC-MS/MS檢測，標準曲線定量。
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、酮類化郃物反應生成穩定的衍生物2,4二硝基苯腙,對所生成的DNPH衍生物溶液直接進行氣相色譜分析;
Keywords carbonyls;DNPH;HPLC;atmosphere;Pearl River Delta;
羰基化郃物;2;4-二硝基苯肼;高傚液相色譜;大氣;珠江三角洲;