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p, p’-DDD标准溶液,72-54-8,analytical standard,100ug/ml in methanol
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p, p’-DDE标准溶液,72-55-9,analytical standard,100ug/ml in methanol
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p, p’-DDT标准溶液,50-29-3,analytical standard,100ug/ml in methanol
-
二甲胺,124-40-3,30% solution in methanol
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First Standard® 2,6-Dinitro-4-(1-propylpentyl)phenol Solution in Methanol, 100μg/mL
2,6-Dinitro-4-(1-propylpentyl)phenol Solution in Methanol, 100μg/mLFirst Standard®天津
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p, p’-DDE标准溶液,72-55-9,50.0ug/mL in Toluene:Methanol(volume ratio 1:4)
-
p, p’-DDD标准溶液,72-54-8,analytical standard ,50ug/mL in Toluene:Methanol(volume ratio 1:4)
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EPA 502 VOC 有机挥发物混标,53 components each 200μg/mL in methanol solution
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p,p’-DDD标准溶液,72-54-8,1000ug/ml in Purge and Trap Methanol
-
p,p’-DDT标准溶液,50-29-3,1000ug/ml in Purge and Trap Methanol
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