Operation And Calibration Of Hot Air Oven For Glass Ware Drying Cintex CIC 212

Before using the Hot air oven, check whether it is calibrated or not. If not, calibrate it. Switch on the instrument by the “MAINS” switch on the control panel of the instrument.
The control panel consists of Microprocessor based Temperature controller, Three heat control switch (Rotatory switch) to control heating rate control, ON/OFF switch for FAN.
Glassware drying, Cintex make, soft cloth duster, Microprocessor
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Preparation of barium chloride solution

Pour about 75 ml of Distilled water into a 250 ml capacity beaker. Weigh 10.0 grams of Barium Chloride LR and transfer slowly, into above said beaker, through it‘s side walls, while gentle mixing, by using a glass rod. Transfer prepared solution into a 100 ml volumetric flask, by using a glass funnel. Rinse the beaker and funnel with few ml of Distilled water, and allow to add into the contents of volumetric flask. Make up the volumetric flask to mark with Distilled water, remove the funnel, keep the lid to close the volumetric flask and shake gently to mix the solution. Transfer the prepared solution into a suitable container and label with all necessary details. The resultant solution is having the concentration of 10.0% w/v. Barium Chloride , Distilled water, Glass rod, Glass funnel, Calibrated Analytical Balance

Procedure for Collection Transfer and Disposal of Scrap

Scrap essentially consists of metal scrap (MS, SS, Aluminum etc.) arising from engineering fabrication work and fiber drums, HDPE drums, carboys and polythene covers etc. from raw material packaging.Collection of Scrap: Scrap collection points are identified at the following locations. Scrap arising are placed in the above collection points. Scrap from these points are periodically shifted to scrap disposal yard outside Scrap segregation is done at disposal yard – namely as MS, SS, Aluminum, HDPE drums, carboys, fiber drums, polyethylene bags and cardboard cartons. Scrap is disposed from the disposal yard. Collection , Transfer, Disposal of Scrap, segregation

PREPARATION OF SILVER NITRATE SOLUTION (5 percent )

Pour about 75 ml of Distilled water into a 250 ml capacity beaker. Weigh 5.0 grams of Silver Nitrate LR and transfer slowly, into above-said beaker, through its sidewalls, while gentle mixing by using a glass rod. Transfer prepared solution into a 100 ml volumetric flask, by using a glass funnel. Rinse the beaker and funnel with few ml of Distilled water, and allow to add into the contents of volumetric flask. Make up the volumetric flask to mark with Distilled water, remove the funnel, keep the lid to close the volumetric flask and shake gently to mix the solution. Transfer the prepared solution into a suitable container and label with all necessary details. The resultant solution is having the concentration of 5.0% w/v. Silver Nitrate , Glass funnel, Beaker, Distilled water , Glass rod

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