Introduction

Tungsten granule standard includes Chinese standard, international standard, industry standard, company standard of product, application, using method, etc.

Following is one of the using method standard:
Iron ores - Determination of carbon and sulfur content-High frequency combustion with infrared absorption method

This standard is applied in testing the content of carbon and sulfur of iron ore, iron concentrate, sinter and pellet and their finished products. The standard also clarifies the content of carbon under 0.002% and sulfur under 0.0005%, the unit weight used each testing is 1.9g.

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