2-羟基-4-二苯甲酮-5-磺酸标准溶液, 2-Hydroxy-4-methoxybenzophenone-5-sulfonic acid Standard sol

黄曲霉素M2标准溶液, Aflatoxin M2 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

苯丙酸诺龙甲醇溶液, nadrolone phenylpropionate,1000ppm

磺胺吡唑, Sulfapyrazole ,1000ppm

4-溴-1(2H)-酞嗪酮, 4-Bromophthalazin-1(2H)-one

1-(氨基甲基)环丙基甲腈盐酸盐, 1-(Aminomethyl)cyclopropanecarbonitrile hydrochloride

2-羟甲基吡嗪, Pyrazin-2-ylmethanol

吡咪唑标准溶液, Rabenzazol Standard solution

3-氨基-6-氯吡啶-2-羧酸甲酯, Methyl 3-amino-6-chloropicolinate