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Alpha Industrial/Pharmaceutical Laboratory > Services > Analytical Testing Services > Wet chemistry

Analytical Testing Services

Wet chemistry

Some of the common test done in the lab:

  • Identification test for all raw materials.

  • Water content by Karl Fischer method.

  • Acidity or Alkalinity.

  • Limit test for chloride, sulphate, chlorinated compounds, aldehydes, lead, iron, polynuclear compounds, arsenic, mercury, heavy metals, fatty acids, and esters.

  • Average molecular weight of polymers.

  • Gravimetric analysis.

  • Water soluble, acid soluble substances.

  • Assay of all raw materials and finished products using validated methods.

  • Alginates assay, hydroxyl-propoxy, group assay, nitrogen assay by Kjeldahl's method.

  • Oxygen flask combustion for selenium limit test and sulphur assay.

  • Hydroxyl value, saponification value, and iodine value.

  • Complexometric and EDTA titrations.