Vishnu Chemicals Ltd announced that it has completed trials of Precipitated Barium Sulphate (Blanc Fixe) and Sodium Sulphide. Image: Reuters Chromium and Barium compounds manufacturer, Vishnu ...
Salt farmers and millers yesterday demanded a three-fold increase in import duty for sodium sulphate, alleging unscrupulous businesspersons use the organic compound as camouflage to bring in sodium ...
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