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1000ug/ml标准品 BePure-36600YT-svoc2
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δ-六六六标准溶液,319-86-8,analytical standard,50ug/ml in methanol:toluene(4:1)
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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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β-六六六标准溶液,319-85-7,analytical standard,50ug/ml in methanol
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1,2-二氯苯标准溶液,95-50-1,2000ug/ml in Purge and Trap Methanol
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去草净标准溶液,886-50-0,1000ug/ml in Purge and Trap Methanol
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Caffeine @ 1,000 ug/mL in Water EPA 州标准品
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p,p’-DDT标准溶液,50-29-3,1000ug/ml in Purge and Trap Methanol
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石油类四氯乙烯(34.6ug/ml)标准品 BQC2910180350B
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