General Test Procedure 0.1M Ammonium Thiocyanate Purpose This procedure is applicable for the preparation and standardization of 0.1M Ammonium thiocyanate. Apparatus 1000 ml Volumetric Flask 250 ml conical flask Reagents Ammonium thiocyanate Silver nitrate Nitric acid Ferric ammonium Sulphate solution Procedure Molecular Formula : NH4SCN Molecular weight : 12 Dissolve 7.612 g of … Read more
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General Test Procedure Determination Uniformity Of Weight Of Tablets Purpose This procedure is applicable to all In-process and Finished product. Apparatus Analytical Balance Reagents Nil Procedure Method: Weigh individually twenty units taken at random and determine the average weight (mass). Not more than two of the individual weights (mass) deviate from the average … Read more
General Test Procedure Determination Thickness of Tablet Purpose This procedure is applicable to all In-process and Finished product. Apparatus Vernier Calipers Reagents Nil Procedure Ensure the instrument /Vernier Calipers are clean and calibrated. Switch on the instrument using green button. Bring the jaws together so that there is no gap / they touch … Read more
General Test Procedure Density and Tapped Density Purpose This procedure is applicable to all incoming Raw materials. Apparatus 3. Reagents 3.1`None4.0 Procedure: The apparatus consists of the following: A settling apparatus capable of producing in 1 min 250 ± 15 taps from a height of 3 ± 0.2 mm. The support for the graduated cylinder, with its holder, has … Read more
General Test Procedure Acid Soluble Substances Purpose This procedure is applicable to all incoming Raw materials. Apparatus Calibrated balance Evaporating dish Sintered glass crucible-G4 & desiccator Reagents Hydrochloric Acid Procedure Place a clean and dry evaporating dish in an oven at 105 °C for 15 minutes. Remove it and keep in a desiccator … Read more
General Test Procedure Water Soluble Substances Purpose This procedure is applicable to all incoming Raw materials, In-process and Finished products Apparatus Calibrated balance Evaporating dish Sintered glass crucible-G4 & desiccator Reagents None Procedure Place a clean and dry evaporating dish in an oven at 105 °C for 15 minutes. Remove it and keep … Read more
General Test Procedure Limit Test Sulphate Purpose This procedure is applicable to all incoming Raw materials. Apparatus Nessler Cylinder Reagents 25%w/v Barium chloride solution 5M acetic acid (Dilute 28.5ml of acetic acid to 100ml with water) Sulphate standard solution (10ppm SO4): Dissolve 181mg of potassium sulphate in 100ml of water, dilute 5ml of this … Read more
General Test Procedure Limit Test Heavy Metals Purpose This procedure is applicable to perform limit test for heavy metals. (Perform the test by any one method as specified in the individual monograph) Apparatus None Method A Reagents Lead standard solution (20 ppm Pb) Dilute acetic acid Dilute ammonia solution Hydrogen Sulphide solution Preparation of … Read more
General Test Procedure Limit Test Iron Purpose This procedure is applicable to all incoming Raw materials. Apparatus Nessler Cylinder Reagents 20%w/v citric acid solution Thioglycollic acid AR Ammonia solution Iron Standard Solution (20ppm Fe): Dissolve 346mg of ferrous ammonium sulphate in 10ml of 1M sulphuric acid and dilute to 100ml with water. Dilute … Read more