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Ultra-High Molecular Weight Polyethylene Wear Particles
Bentazon Solution in Acetonitrile
Propazine-2-hydroxy 100ug/ml in Acetonitrile:Water (75:25).
敌草隆,500mg 标准品
Norethindrone
Mecoprop
2-甲基-4-氯苯氧乙酸/二甲四氯(有证书)
GAS OIL (1.040 % S) 标准品
敌百虫(三氯松)
磺胺脒