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水质标样-砷 标准值34.8ug/l
Triamterene
2,4-滴 标准品
特女贞苷 对照品
(办证)异丙甲草胺 D6
RAPESEED (S, total glucosinolate, medium level) 标准品
2-Amino-3-methylamino-5-phenylpyridine
灭瘟素S盐酸盐溶液, 1000ppm
S-Ethyl dipropylthiocarbamate
(R)-3-Azido-1-phenyl-1-(2-methylphenoxy)propane