GB/T 1508-2002 (English Version) PDF

Standard No.: GB/T 1508-2002
Language: Chinese, Available in English version
Release Date: 2002
Published By: General Administration of Quality Supervision, Inspection and Quarantine of the People‘s Republic of China
Latest: GB/T 1508-2002
Replace: GB/T 1508-1979

Scope: This part specifies the principle, reagents and materials, instruments, sampling and preparation, analysis steps, calculation of results, etc. for the determination of total iron content by potassium dichromate titration and o-phenanthroline spectrophotometry. This part is applicable to the determination of total iron content in manganese ores and manganese concentrates with vanadium content (mass fraction) < 0.02%. Determination range (mass fraction): Method 1 Potassium dichromate titration method is 2.00% to 25.00%, method Two o-phenanthroline spectrophotometric method is 0.10% ~ 3.O0%.

GB/T 1508-2002 history

2002 GB/T 1508-2002 Manganese ores--Determination of total iron content--Potassium dichromate titrimetric method and 1,10-phenanthroline spectrophotometric method
0000 GB/T 1508-1979