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.

As determined:

Determination of barium sulfate is determined. Instruments, consumables:

balance, normal temperature centrifuge, constant temperature water bath, visible spectrophotometer / enzyme, trace quantity, vano / 96-well plate, oscillator.

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