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2,4,4',5-Tetrachlorobiphenyl 标准品
ASCORBYL PALMITATE(USP)(RG) 标准品
9-Acetyl-3,10-dihydroxyapoquinidine Methyl Ether
Tebupirimfos Solution 100ug/mL in Toluene
2.4′-滴滴伊
14种酚类混标 (HJ 744-2015)
1.1.2-Trichloroethane Solution 100ug/ml in Methanol
Triasulfuron Solution 100ug/ml in Toluene
曲米帕明溶液,100ppm
(易制爆)Nitric Acid (subboiling distilled acid)(有证书)