二氯甲烷中半挥发有机物11组份混标  Semi - volatile organic compounds in dichloromethane 11 components mixed standard  1mL  

甲醇中挥发有机物4组份混标  Mixed standard of 4 components of volatile organic compounds in methanol  1mL  

甲醇中挥发有机物氯乙烯单标  Volatile organic matter vinyl chloride in methanol single standard  1mL  

甲醇中挥发有机物氯甲烷单标  Chloromethane, a volatile organic compound in methanol, single standard  1mL  

甲醇中挥发有机物26组份混标  Volatile organic compounds in methanol 26 components mixed standard  1mL  

37种有机磷混标，丙酮溶液  37 organophosphorus mixed standard, acetone solution  1mL  

10种拟除虫菊酯类混标，丙酮溶液  10 pyrethroids mixed standard, acetone solution  1mL  

31种石油烃混标，环己烷溶液  31 petroleum hydrocarbons mixed standard, cyclohexane solution  1mL  

4种挥发性石油烃混标，甲醇溶液  Four volatile petroleum hydrocarbons mixed standard, methanol solution  1mL  

替代物，甲醇溶液  The substitute, methanol solution  1mL