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镍单元素溶液标准物质,7440-02-0,500μg/ml in 1% HNO3
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总氮标准溶液,analytical standard,1000μg/ml in water
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噻嗪酮标准溶液,69327-76-0,analytical standard,10μg/ml in acetone
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噻螨酮标准溶液,78587-05-0,analytical standard,10μg/ml in acetone
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克螨特标准溶液,2312-35-8,analytical standard,10μg/ml in methanol
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乙腈中苏丹红Ⅳ号溶液标准物质,85-83-6,100μg/mL
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水中硫酸根成分分析标准物质,1000μg/ml ±1% (20℃)
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水中硫酸根成分分析标准物质,100μg/ml ±2% (20℃)
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水中硫酸根成分分析标准物质,500μg/ml ±1% (20℃)
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腐霉利标准溶液,32809-16-8,analytical standard,10μg/ml in acetone
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