二氯甲烷中7种亚硝胺混标溶液(EPA Method 521),200μg/mL 7 Nitrosamine Mix Solution in Dichloromethane, 200μg/mL
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二氯甲烷中7种亚硝胺混标溶液(EPA Method 521),2000μg/mL 7 Nitrosamine Mix Solution in Dichloromethane, 2000μg/mL
1ST50028-2000L | 1mL
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二氯甲烷中9种亚硝胺混标溶液(EPA Method 8000) ,2000μg/mL 9 Nitrosamine Mix Solution in Dichloromethane, 2000μg/mL
1ST030881-2000L | 1mL
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二氯甲烷中9种亚硝胺混标溶液(EPA Method 8000 ),2000μg/mL 9 Nitrosamine Mix Solution in Dichloromethane, 2000μg/mL
1ST50013-2000L | 1mL
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二氯甲烷中4种亚硝胺混标溶液(HJ 809-2016), 2000μg/mL 4 Nitrosamines Mix Solution in Dichloromethane, 2000μg/mL
1ST50030-2000L | 1mL
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甲醇中12种亚硝胺类混标溶液,200μg/mL 12 Nitrosamine Mix Solution in Methanol, 200μg/mL
1ST50137-200M | 1mL
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二氯甲烷中10种有机物混标溶液(EPA Method CLP),2000μg/mL 10 Organic Mix Solution in Dichloromethane, 2000μg/mL
1ST030543-2000L | 1mL
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二氯甲烷中15种苯酚类混标溶液 ( EPA Method CLP),2000μg/mL 15 Phenol Mix Solution in Dichloromethane, 2000μg/mL
1ST030564-2000L | 1mL
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