pH4.02缓冲液,1L, BUFFRSALT PH 4.01 CRT 1LT 12PK

铅标准溶液,500ML, Lead solution 1000 ppm

2,3-二羟基苯甲醛, 2,3-Dihydroxybenzaldehyde

13-顺式-视黄酸, 13-cis-Retinoic Acid

炔丙胺, Propargylamine

维生素A, all-trans-Retinol

1,3-二叔丁基苯, 1,3-Di-tert-butylbenzene

甘油,20L, GLYCEROL CERTIFIED ACS 20L

铬标液, Chromium solution 1000 ppm

aqualine水标准, Aqualine《 water standard KF Oven