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First Standard® 丙酮中反-氯丹(γ)溶液, 100μg/mL
trans-Chlordane (γ) Solution in Acetone, 100μg/mLFirst Standard®天津
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丙酮中喹硫磷溶液,100μg/mL 广电计量
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First Standard® 甲醇中除线磷溶液,100μg/mL
Dichlofenthion Solution in Methanol, 100μg/mLFirst Standard®天津
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First Standard® 甲醇中吡嘧磷溶液,100μg/mL
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First Standard® 甲醇中哌草磷溶液, 100μg/mL
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First Standard® 甲醇中抑草磷溶液,100μg/mL
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First Standard® 甲醇中噁唑磷溶液,100μg/mL
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First Standard® 甲醇中异氯磷溶液,100μg/mL
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First Standard® 乙腈中毒氟磷溶液,100μg/mL
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First Standard® 甲苯中莎稗磷溶液,100μg/mL
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