锰铜、康铜精密电阻合金线、片及带
Manganin and constantan alloy wires,sheet and rolled wires for precision electrical resistance

2010-12-01

康铜电阻合金化学分析方法 电解重量法测定铜量
Method for chemical analysis of constantan resistance alloy The electrolytic gravimetric method for the determination of copper content

1999-08-06

康铜电阻合金化学分析方法 硅钼兰光度法测定硅量
Method for chemical analysis of constantan resistance alloy The molybdosilicate blue photometric method for the determination of silicon content

1999-08-06

康铜电阻合金化学分析方法 磺基水杨酸光度法测定铁量
Method for chemical analysis of constantan resistance alloy The sulphosalicylic acid photometric method for the determination of iron content

1999-08-06

康铜电阻合金化学分析方法 高碘酸钾光度法测定锰量
Method for chemical analysis of constantan resistance alloy The potassium periodate photometric method for the determination of manganese content

1999-08-06

康铜电阻合金化学分析方法 碘化钾-硫代硫酸钠滴定法测定铜量
Method for chemical analysis of constantan resistance alloy The potassium iodide-sodium thiosulfate titrimetric method for the determination of copper content

1999-08-06

康铜电阻合金化学分析方法 电解除铜-EDTA滴定法测定镍量
Method for chemical analysis of constantan resistance alloy The EDTA titrimetric method for the determination of nickel content after separation copper by electrolysis

1999-08-06

康铜电阻合金化学分析方法 过硫酸铵氧化-硫酸亚铁铵滴定法测定锰量
Method for chemical analysis of constantan resistance alloy The ammonium persulfate oxidation-ammonium ferrous sulfate titrimetric method for the determination of manganese content

1999-08-06