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Haloalkanes Volatile Organic Compounds Mixture-502.2/524.2 (repkg) 100ug/ml in Methanol
JMHW Volatile Organic Compounds Mixture #1 (repkg) 2000ug/ml in Methanol
甲苯:丙酮(8:2)中脱苯甲基亚胺唑
2,5-二氯苯酚 标准品
油麦菜多菌灵质控样 BQC1350220941
水中灭蝇胺溶液标准物质
Nifedipine-d4 (2-nitrophenyl-d4) 标准品
Aminomethane sulfonic acid (无证书)
7-Methylbenz[a]anthracene
Cyprazine Solution 100ug/ml in Acetonitrile