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First Standard® 甲苯中20种农药混标,100μg/ml
20 Pesticide Mix Solution in Toluene, 100μg/mLFirst Standard®天津
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First Standard® 正己烷中联苯菊酯溶液,100μg/mL
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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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First Standard® 丙酮中燕麦酯溶液,100μg/mL
Chlorfenprop-methyl Solution in Acetone, 100μg/mLFirst Standard®天津
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First Standard® 正己烷中S-氰戊菊酯溶液, 100μg/mL
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First Standard® 正己烷中十一碳酸甲酯溶液,1000μg/mL
Methyl undecanoate Solution in Hexane, 1000μg/mLFirst Standard®天津
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First Standard® 甲醇中6种磺胺类药物混标溶液,100μg/mL(GB/T20759-2006)
6 Sulfonamide Mix Solution in Methanol, 100μg/mLFirst Standard®天津
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First Standard® 甲醇中5种硝基咪唑类混标溶液, 100μg/mL
5 Nitroimidazole Mix Solution in Methanol, 100μg/mLFirst Standard®天津
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First Standard® 甲醇中5种杀菌剂混标溶液,100μg/mL
5 Antifungus Mix Solution in Methanol, 100μg/mLFirst Standard®天津
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First Standard® 甲醇中19种磺胺类混标溶液,100μg/mL
19 Sulfonamide Mix Solution in Methanol, 100μg/mLFirst Standard®天津
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