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First Standard® 甲醇中速灭威甲醇溶液, 100μg/mL
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First Standard® 乙腈中速灭威溶液,100μg/mL
Metolcarb Solution in Acetonitrile, 100μg/mLFirst Standard®天津
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灭线磷标准溶液,13194-48-4,analytical standard,0.986mg/ml in methanol
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灭线磷标准溶液,13194-48-4,analytical standard,100ug/ml in acetone
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甲醇中异氯磷溶液,2463-84-5,1000μg/mL in Methanol,不确定度2%
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正己烷/丙酮中六氯苯溶液,1000μg/mL 广电计量
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丙酮中外环氧七氯溶液,1000μg/mL 广电计量
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丙酮中异稻瘟净溶液,1000μg/mL 广电计量
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灭线磷标准溶液,13194-48-4,analytical standard,10ug/ml in acetone
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丙酮中速灭磷
) (%) BW901342-100-D 丙酮中速灭磷 100 3 标准值的不确定度主要由原料纯度、称量、定容以及均匀性、稳定性
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