2-氨基-5-异丙基-1,3,4-噻二唑, (5-Isopropyl-[1,3,4]thiadiazol-2-yl)amine

倍氯米松标准溶液, Beclomethasone Standard solution

N,N'-二苯基脲标准溶液, N,N'-Diphenylurea Standard solution

泼尼松标准溶液, Prednisone Standard solution

马度米星铵标准溶液, Maduramycin ammonium Standard solution

1，4-二氯苯-D4, 1,4-Dichlorobenzene-d4

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

甲氧苄氨嘧啶, Trimethoprim,1000ppm

邻苯二甲酸二乙酯-D4, Diethyl Phthalate-d4,1000ppm

磺胺甲基异噁唑, Sulfamethoxazole,1000ppm