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DIN-38407-17 Nitroaromatic Compounds 标准品
炔雌醇(含干冰运输费)
n-Nonylphenol ethoxylates Kit (not including 8582)
Method 619 - Triazine Herbicides 标准品
抗蚜威溶液, 100ppm
吡虫啉农药纯度标准物质
坪草丹溶液,100ppm
有机磷农药混标(9组分) 标准品
Tri-n-propyltin chloride
4-n-Nonylphenol D4 (phenyl D4) 100 ?g/mL in Acetone