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甲基乙拌磷
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乙拌磷砜
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甲拌磷甲醇溶液标准物质 中国计量院
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First Standard® 丙酮中甲基乙拌磷亚砜溶液,100μg/mL
Thiometon sulfoxide Solution in Acetone, 100μg/mLFirst Standard®天津
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乙拌磷砜标准溶液,2497-06-5,1000ug/ml in Acetone
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甲醇中双硫磷溶液,3383-96-8,1000μg/mL in Methanol,uncertainty 2%
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甲醇中双硫磷溶液,3383-96-8,100μg/mL in Methanol,uncertainty 3%
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甲醇中脱叶磷溶液,78-48-8,100μg/mL in Methanol,uncertainty 3%
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甲醇中脱叶磷溶液,78-48-8,1000μg/mL in Methanol,uncertainty 2%
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甲醇中久效磷溶液标准物质 GBW(E)081142
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