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油麦菜中滴滴涕质控样 BQC1350221641K
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滴滴涕溶液, 100ppm
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2,4′-DDT标准溶液,789-02-6,analytical standard,50ug/mL in 2,2,4-Trimethylpentane
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油麦菜中六六六、滴滴涕质控样 BQC1350247246L
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油麦菜中六六六、滴滴涕质控样 BQC1350247246H
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油麦菜中滴滴涕、六六六质控样 BQC1350221641LK
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油麦菜中滴滴涕、六六六质控样 BQC1350221641BK
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油麦菜中六六六、滴滴涕质控样 BQC1350247246B
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正己烷中2,4'-滴滴涕溶液,100μg/mL 广电计量
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油麦菜滴滴涕质控样
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