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n-Heptane Solution 100ug/ml in Methanol
Dimethyl sulfite (无证书)
壬醛2,4-二硝基苯腙 标准品
Diazinon-d10, 10μg/ml in acetone
HERBICIDES MIX 2, 1X1ML, ETOAC, 100UG/ML 标准品
甲草胺 标准品
17-α-甲睾酮(甲基睾丸酮)标准品
L-Albizziin
Matrix Std. Spiking Soln. Soil/Sediment 标准品
2.2'.5.5'-Tetrachlorobiphenyl Solution 100ug/ml in Hexane (无证书)