This standard specifies the barium sulfate gravimetric method for the determination of total sulfur content. This standard is applicable to the determination of total sulfur content in alunite ore products. The measurement range (calculated as SO3) is 5% to 30%.
HG/T 2957.8-2004 history
2004HG/T 2957.8-2004 Determination of total sulfur content in alunite ore barium sulfate gravimetric method