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乙腈中苏丹红Ⅰ号溶液标准物质,842-07-9,100μg/ml
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甲磺隆标准溶液,74223-64-6,analytical standard,10μg/ml,u=4% in acetone
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水中氯离子成分分析标准物质,500μg/ml ±1% (20℃)
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水中氯离子成分分析标准物质,1000μg/ml ±1% (20℃)
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氨氮标准溶液,1000μg/ml in Water (20℃)
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铜单元素溶液标准物质,7440-50-8,100μg/ml in 1% HNO3
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甲醇中阿特拉津溶液标准物质,1912-24-9,100μg/mL in Methanol
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抗蚜威标准溶液,23103-98-2,analytical standard,10μg/ml in acetone
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扑草净标准溶液,7287-19-6,analytical standard,10μg/ml in acetone
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总硬度标准溶液,1000μg/ml,总硬度
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