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First Standard® 正己烷中禾草丹溶液,100μg/mL
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First Standard® 甲醇中10种亚硝胺混标溶液(GB/T 29669-2013),100μg/mL
10 Nitrosamine Mix Solution in Methanol, 100μg/mLFirst Standard®天津
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First Standard® 乙腈中14种醛酮DNPH混标溶液, 10μg/mL
14 Aldehyde/Ketone DNPH Mix Solution in Acetonitrile, 10ppmFirst Standard®天津
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First Standard® 乙腈中19种药物混标溶液,100μg/mL
19 Drugs Mix Solution in Acetonitrile,100μg/mLFirst Standard®天津
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First Standard® 乙腈中18种药物混标溶液,100μg/mL
18 Drugs Mix Solution in Acetonitrile,100μg/mLFirst Standard®天津
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First Standard® 乙腈中52 种农药混标溶液,100μg/mL
52 Pesticide Mix Solution in Acetonitrile, 100μg/mLFirst Standard®天津
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First Standard® 甲醇中4种磺胺药物混标溶液,100μg/mL
4 Sulfonamides Mix Solution in Methanol, 100μg/mLFirst Standard®天津
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First Standard® 甲醇中4种硝基呋喃混标溶液,100μg/mL
4 Nitrofuran Mix Solution in Methanol, 100μg/mLFirst Standard®天津
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First Standard® 丙酮中39种农药混标溶液(GCMS),100μg/mL
39 Pesticide Mix Solution in Acetone, 100μg/mLFirst Standard®天津
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First Standard® 乙腈中30种农药混标溶液,100μg/mL
30 Pesticide Mix Solution in Acetonitrile, 100μg/mLFirst Standard®天津
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