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Organochlorine Pesticides Mixture #1 - 508 1000ug/ml in t-Butylmethyl ether
PUNYW26581238 Ipriflavone Impurity 3
44256, Duck-Weed 标准品
BNAs - Sandy Loam 2 标准品
Hyperoside 标准品
Neodymium - Nd2O3, 99.99%, 2% HNO3
1-Methyl fluorene Solution 100ug/ml in Toluene
4-壬基酚一乙氧基盐
8种有机磷农药残留(GB23200.91-2016)标准品
31种农药混标(GB 23200-2016 LC组C,2-2)