JB/T 9499.3-1999 Method for chemical analysis of constantan resistance alloy The ammonium persulfate oxidation - ammonium ferrous sulfate titrimetric method for the determination of manganese content (English Version)
This standard applies to the determination of manganese content in constantan resistance alloys. Measuring range: 1.00~2.00%.
JB/T 9499.3-1999 history
1999JB/T 9499.3-1999 Method for chemical analysis of constantan resistance alloy The ammonium persulfate oxidation - ammonium ferrous sulfate titrimetric method for the determination of manganese content