Реактивы. Марганец (II) сернокислый 5-водный. Технические условия
试剂5水硫酸锰(II) 规格
HB/Z 5107.15-2004
镁合金化学氧化溶液分析方法 第15部分:EDTA容量法连续测定重铬酸钾硫酸锰氧化溶液中硫酸锰和硫酸镁的含量
Methods for analysis of chemical oxidation solution for magnesium alloy -- Part 15: Continual determination of manganese sulfate and magnesium sulfate content in potassium bichromate and magnesium sulfate oxidation solution by EDTA volumetric method
2004-09-01
HB/Z 5107.10-2004
镁合金化学氧化溶液分析方法 第10部分:EDTA容量法连续测定重铬酸钠硫酸锰氧化溶液中硫酸锰和硫酸镁的含量
Methods for analysis of chemical oxidation solution for magnesium alloy -- Part 10: Continual determination of manganese sulfate and magnesium sulfate content in sodium bichromate and magnesium sulfate oxidatioin solution by EDTA volumetric method