-
总大肠菌群质控样品中GB/T5750.12/GB8538质控样 BQCMC106B0471
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总大肠菌群质控样品中GB/T5750.12/GB8538质控样 BQCMC106B0472
-
正己烷中顺式-氯菊酯溶液,100μg/mL 广电计量
-
对甲苯磺酰氯(PTSC),98-59-9,AR,99%
-
鱼油中16种有机氯农药标准物质
-
First Standard® 正己烷中磷酸三邻甲苯酯溶液,100μg/mL
Tri-o-cresyl phosphate Solution in Hexane, 100μg/mLFirst Standard®天津
-
GB/T 14552-2003 10种有机磷混标
-
E2003 E2003
-
对甲苯磺酰氯(PTSC),98-59-9,CP,98%
-
正己烷中杀虫脒溶液,6164-98-3,100μg/mL in Hexane ,不确定度3%
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