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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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维生素D3溶液 Vitamin D3
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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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First Standard® 丙酮中19种有机氯农药混标溶液,100μg/mL
19 Organochlorine Pesticide Mix Solution in Acetone, 100μg/mLFirst Standard®天津
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甲醇中扑草净溶液标准物质,7287-19-6,1000μg/mL
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First Standard® 乙腈中杀螨酯溶液,1000μg/mL
Chlorfenson Solution in Acetonitrile, 1000μg/mLFirst Standard®天津
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First Standard® 甲醇中β-萘酚溶液,1000μg/mL
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First Standard® 甲醇中烟酸溶液,1000μg/mL
Nicotinic acid Solution in Methanol,1000μg/mLFirst Standard®天津
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First Standard® 甲醇中19种香料混标溶液(GBT 24800.10-2009),10000μg/mL
19 Fragrance Mix Solution in Methanol, 10000μg/mLFirst Standard®天津
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First Standard® 维生素D2 (6,19,19-D3)
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