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1000ug/ml标准品 BePure-36600YT-svoc2
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水中硝酸根成分分析标准物质,1000ug/ml ±1% (20℃)
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水中砷成分分析标准物质,1000ug/mL in: 1%HNO3
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铅标准溶液,7439-92-1,100ug/ml Pb in 1%HNO3
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化学需氧量标准品 BW80250YW-50mL
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石油类四氯乙烯(34.6ug/ml)标准品 BQC2910180350
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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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3,4,4',5-四氯联苯,70362-50-4,100 ug/mL in Isooctane
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Chemware D1069544 PFA Petri Dish, 50 x 15 mm, 60 mL, 1/Pk
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镉标准溶液,7440-43-9,100ug/ml in 1%HNO3
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