RELATIVE DENSITY OF CHEMICAL ADMIXTURE (IS:9103 -1999)

Objective For determination of relative density of liquid admixture.  Reference Standards IS : 9103-1999 – Concrete admixtures specification Equipment & Apparatus Constant temperature bath Hydrometer Measuring cylinder(500 ml)  Procedure About 400 ml of admixture is placed in a 500 ml graduated cylinder. The hydrometer is inserted into the cylinder. When it has reached the equilibrium … Read more

DETERMINATION OF ASH CONTENT OF LIQUID ADMIXTURE (IS:9103-1999)

Objective The ash content which gives an indication of inorganic constituents is determined by igniting the admixture at 6000C to remove any organic material.  Reference Standards IS : 9103-1999 – Concrete admixtures specification Equipment & Apparatus Oven(3000C) Bottle Balance(0-10kg)  Procedure About 1 g of sample is placed in a porcelain crucible. The crucible is then placed … Read more

DRY MATERIAL CONTENT OF LIQUID ADMIXTURE (IS:9103-1999)

Objective For determination of dry material content of liquid admixtures.  Reference Standards IS : 9103-1999- Concrete admixtures specification Equipment & Apparatus Oven(3000c) Bottle Balance(0-10kg) Procedure 25 to 30 g of preheated, completely dry sand is placed in a wide mouth glass weighing bottle provided with ground glass stopper. The bottle with sand and stopper is … Read more