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硼标准溶液,7440-42-8,analytical standard,100ug/ml in water
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硼标准溶液,7440-42-8,analytical standard ,1000ug/ml in water
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铬标准溶液,7440-47-3,analytical standard,100ug/ml in water
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钙标准溶液,7440-70-2,analytical standard, 100ug/ml in 5%HCl
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砷标准溶液,7440-38-2,analytical standard, 100ug/ml in 1%HNO3
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钴标准溶液,7440-48-4,analytical standard ,100ug/ml in 1%HNO3
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δ-六六六标准溶液,319-86-8,analytical standard,100ug/ml in petroleum ether
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总氮标准溶液,analytical standard,1000μg/ml in water
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p, p’-DDD标准溶液,72-54-8,analytical standard,100ug/ml in methanol
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二甲戊乐灵标准溶液,40487-42-1,analytical standard,100ug/ml in acetone
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