Questions On Glassware Cleaning And Conduct Tests

There are many positive reasons for keeping equipment clean, hygienic and ready for next use and some of which are as follows,

* Keep pigments and solutions away from your eyes, wash your hands carefully after coming in contact with any solutions or pigments, and clean up spills with soap and water immediately after they occur.

11. Clean out your beaker, pipette, and petri dish using water and a paper towel. Put the petri dish back on the supply cart, and put away the beaker and pipette.

Mix each one with a glass rod and always make sure to wipe the glass rod after each use.

Wash your hands and all of the equipment with mild soap and water. As a final rinse on the equipment, use deionized water. Dry all equipment thoroughly.

Fill a test tube about 1/3 full with cold tap water for use in step 34.

filter the minicolumn. After washing, dry the resin in a 1.5 ml microcentrifuge for 2 minutes. 50

15) Wash the residue three or four times using about 5-10 mL of distilled water. No residue of blue color should remain in your silver crystals.

Before beginning an experiment, it is good to calibrate any equipment that needs calibration. This ensures that results obtain will be as accurate as possible or as near to the true value. All equipment should be inspected to ensure that there are no chips, cracks or general damage to the equipment as these could cause problems during the experiment which could affect the overall results gained. Equipment such as burettes, pipettes, flasks and beakers must be rinsed with distilled water to get rid of any impurities in the equipment. If solutions are to be poured in any piece of equipment then the equipment should also be rinsed out with the solution being used, this will maintain the pH level in the instrument. Once a solution is transferred from the pipette to the flask, touching the tip of the pipette on the side of the flask will drain any extra drops that may still remain on the tip of the pipette.

4.2: Wash hands = 1, Wet hands 2, Rub your hands together applying soap 3, Scrub between fingers and back of the hands 4, rinse of the soap 5, Dry thoroughly.

* Place paper towel over clear glass bowl with rubber band holding it in place.

Make sure to separate any pieces that may be attached to one another. Rinse each piece in hot water and allow it to air dry on a drying rack. It's best to use mild dishwashing detergents and to stay away from antibacterial soaps, chemicals, abrasive cleaners and bottle brushes. Never dry your pump pieces with a cotton towel as this may allow germs from the towels to spread to your pump.

1) Allow the copper in the beaker to dry at low temperature in a drying oven for at least one hour.

D. Before using the glass electrodes, they must be washed in warm soapy water and put in the UV steriliser to ensure they are clean and free from bacteria. After the treatment they should be washed and wiped over with disinfectant and sterilised before being used again.

In this experiment, The purpose of this experiment is to investigate the measurement of the actual volume contents of volumetric glassware. In the beginning of the experiment, the volumetric glassware should be clean and dry before used. The volumetric glassware, measuring cylinder and pipette should be handled with care and all the precautions were be taken during the experiment was held. This was to ensure to avoid any errors such as parallax error especially while reading water meniscus. This experiment must be repeated three times or more and take the average reading to get more