丙酸诺龙标准溶液, nadrolone propionate standard solution

4种甾体激素混标, 4 Steroid Hormone Mix Solution

邻苯二甲酸单丁酯-D4标准溶液, Monobutyl Phthalate-d4 Standard solution

乙酸乙酯中23种农药混标溶液(2020年农业部例行监测农残，GC-MS检测), Pesticide Mix 23

炔诺酮, Norethindrone,1000ppm

氯羟吡啶; 二氯二甲吡啶酚, Clopidol,1000ppm

苯甲酰磺胺, Sulfabenzamide,1000ppm

磺胺噻唑, Sulfathiazole,1000ppm

2-甲基-5-氧代-2,5-二氢-1H-吡唑-3-甲基羧酸, 2-Methyl-5-oxo-2,5-dihydro-1H-pyrazole-3-carboxylic acid

1,4-二氧杂螺[4.5]癸烷-8-羧酸乙酯, Ethyl 1,4-dioxaspiro[4.5]decane-8-carboxylate