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镁标准溶液,7439-95-4,500mg/L in 1%HCl
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生化,化学需氧量(耗氧量)成分分析标准物质,BOD5:56.6 mg/L,COD(Cr):87.6 mg/L,,in water
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化学耗氧量成分分析标准物质,237mg/L in water
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水中无机碳溶液标准物质,1000mg/L,in water
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五日生化需氧量(耗氧量)(BOD5)成分分析标准物质,1000mg/L in water
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磷酸二氢根溶液成分分析标准物质,1000mg/L,基体:水
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十一种水中单元素溶液标准物质水中铬成分分析标准物质,1000ug/mL,in 5%HCl
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钙测试试剂 Method: photometric 5 - 160 mg/l Ca 7 - 224 mg/l CaO 12 - 400 mg/l CaCO₃ Spectroquant®
Calcium Test Method: photometric 5 - 160 mg/l Ca 7 - 224 mg/l CaO 12 - 400 mg/l CaCO3 Spectroquant
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钙测试预装试剂 Method: photometric 10 - 250 mg/l Ca 14 - 350 mg/l CaO 25 - 624 mg/l CaCO₃ Spectroquant®
Calcium Cell Test Method: photometric 10 - 250 mg/l Ca 14 - 350 mg/l CaO 25 - 624 mg/l CaCO3
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钡溶液成分分析标准物质,7440-39-3,analytical standard,19.532mg/ml in 0.06mol/L HCl
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