GB/T 38812.1-2020 Translated English of Chinese Standard. (GBT 38812.1-2020, GB/T38812.1-2020, GBT38812.1-2020): Direct reduced iron - Determination of iron (II) content - The potassium dichromate titrimetric method after decomposition of sample by ferric chloridehttps://www.chinesestandard.net, 2020 M09 26 - 10 páginas This Part of GB/T 38812 specifies the potassium dichromate titrimetric method after decomposition of sample by ferric chloride to determine the iron (II) content. This Part applies to the determination of iron (II) content in direct reduced iron; the determination range (mass fraction): 1.00% ~ 40.00%. |
Contenido
| 3 | |
Scope | 4 |
Principle | 5 |
Instruments | 6 |
Analysis result calculation and their expression | 7 |
Test report | 8 |
Appendix A Normative Sample analysis result acceptance procedure flow chart | 10 |