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First Standard® 甲苯中19种农药混标溶液, 100μg/mL
19 Pesticide Mix Solution in Toluene, 100μg/mLFirst Standard®天津
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7种色素混标
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8种色素混标
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First Standard® 甲醇中5种兽药混标溶液,100μg/mL
5 Veterinary Medicine Mix Solution in Methanol, 100μg/mLFirst Standard®天津
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First Standard® 乙腈/甲醇中40种激素混标溶液,100μg/mL (GBT 24800.2-2009)
40 Hormone Mix Solution in Acetonitrile/Methanol, 100μg/mL (GBT 24800.2-2009)First Standard®天津
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水中氯离子成分分析标准物质,500μg/ml ±1% (20℃)
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3种色素混标标准品
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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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