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水中碘离子(I-)成分分析标准物质,1000μg/ml in Water (20℃)
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水中硝酸根成分分析标准物质,500μg/ml ±1% (20℃)
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水中氨氮成分分析标准物质,500μg/ml ±1% (20℃)
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水中甲醛溶液,1000μg/mL 广电计量
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Borosil BG1000-500 Beaker, glass, low form, 500 mL, 6/pk
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水中砷成分分析标准物质,1000ug/mL in: 1%HNO3
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DWK Life Sciences (Kimble) KC20028W-1000 Class A, Graduated Cylinders with Bumpers, 1000 mL
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DWK Life Sciences (Kimble) KC20028W-500 Class A, Graduated Cylinders with Bumpers, 500 mL
科尔帕默中国 材料Glass蒸馏能力 (mL)500刻度间隔 (mL)5容许偏差 (mL)±1.3描述Class A, Graduated Cylinders with Bumpers, 500 mL
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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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水中硝酸根成分分析标准物质,1000ug/ml ±1% (20℃)
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