15种醛酮-DNPH混标(HJ997－2018)，15mg/L, Carbonyl DNPH as Aldehyde/Ketone MIX 15,15mg/L

3-(羟基甲基膦酰)丙酸, 3-(Methylphosphinico)propionic acid,1000ppm

《2341农药残留测定法》33种农药混标(GC-MS/MS), Pesticide Mix 33

阿替洛尔, Atenolol,1000ppm

特丁硫磷砜, Terbufos sulfone,1000ppm

5-溴-2-甲基苯并噁唑, 5-Bromo-2-methyl-1,3-benzoxazole

4-甲基-2-(甲基氨基)噻唑-5-羧酸乙酯, Ethyl 4-methyl-2-(methylamino)thiazole-5-carboxylate

2-氯嘧啶-4-甲酸甲酯, Methyl 2-chloropyrimidine-4-carboxylate

邻苯二甲酸二正辛酯(DNOP)标准溶液, Di-n-octyl phthalate Standard solution

4-氟-3-硝基苄醇, 4-Fluoro-3-nitrobenzyl alcohol