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To determine the swelling index of bentonite

  OBJECT: TODETERMINE THE SWELLING INDEX OF BENTONITE REFERENCES– Indian Pharmacoepia, Govt. of India, Ministry of health & famiy welfare, published by IPC, 2007, vol -II, page n. 776 REQUIREMENTS- Chemicals: Bentonite,  Sodium lauryl sulfate Apparatus: Graduated measuring cylinder THEORY Bentonite is a natural, colloidal, hydrated aluminium silicate that has been processed to remove grit […]