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= 56 mg CaO/l (≙ 5.6 German degrees of hardness) using 100 ml of water for 1000 ml, Titrisol®
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醋酸 for 1000 ml, c(CH3COOH) = 0.1 mol/l (0.1 N) Titrisol®
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锰标准溶液,7439-96-5,analytical standard ,1000ug/ml in 1.0 mol/L HNO3
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浓缩缓冲液 for 500 ml buffer solution, (phosphate), traceable to SRM of NIST and PTB
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1 N硝酸 for 1000 ml, c(HNO3) = 1 mol/l (1 N) Titrisol®
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锰 (Mn) 标准品
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0.1 N氯化钠 for 1000 ml, c(NaCl) = 0.1 mol/l (0.1 N) Titrisol®
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氨氮标准溶液,500mg/L in H2O
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mg CaO/l (≙ 1 German degrees of hardness) using 100 ml of water for 1000 ml Titrisol®
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硫代硫酸钠浓缩液
介绍 注:本包装为浓缩液,是用来稀释成1升的分析滴定液。稀释后的浓度即为标签上所示浓度。(在允许的不确定度区间之内) 使用方法
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