Soils: Soil sulfur has an important role in agriculture and forestry animal husbandry. Many contaminants in the environment contain sulfur compounds. The atmospheric transmission is settled in the soilThe ecosystem has a certain impact, and sulfur in the soil can be absorbed by plant.\u0026 nbsp;
As determined: Determination of barium sulfate is determined.\u0026 nbsp;
天平, normal temperature centrifuge, constant temperature water bath, visible spectrophotometer, 1 ml glass cuvette, oscillator.\u0026 nbsp;

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