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Make sure the containers are made from materials compatible with the solids to avoid any cross contamination. Keep any containers tightly closed and make sure every step of the process uses clean containers.
Wiki User
∙ 9y ago
Wiki User
∙ 8y ago- using cleaned and dried pipettes
- avoiding the contact of the pipettes tip with other materials
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Which liquid measuring device is most appropriate for dispensing liquids to infants?
An oral syringe
Why is there a need to clean the area where you will do the paraffin casting?
To avoid cross contamination.
What are the precautions of pipette?
Avoid breaking and internal contamination of a pipette; read any indications of the manufacturer.
Why are desk drawers kept closed unless you are taking someting out in a lab?
To avoid contamination of the substances from the drawer.
Can I store flammable liquids in a storage unit?
Storing flammable liquids require safety and precaution. If you plan on storing flammable liquids in a storage unit, it is highly recommended to label the storage units accordingly This will avoid any accidents.
What are dispensing valves?
Dispensing valves are in-line valves for on-off service in dispensing liquids from storage containers. Flow will occur when the middle of the valve is pinched and will continue as long as finger pressure is maintained.
Which liquid measuring device is most appropriate for dispensing liquids to infants?
An oral syringe
What piece of eqipment might be used for dispensing liquids?
either an Beaker,and graduated Cylinder
How do you avoid cross-contamination?
use a linear workflow
Why are you advised to work as closely as possible to the flame?
to avoid contamination
Why should bumping granules used when boiling liquids?
To avoid splashing of liquids.
Why should bumping granules be used when boiling liquids?
To avoid splashing of liquids.
Why you should avoid allowing the loop filled with inoculate from touching the lip of either the source bottle or the bottle to be inoculated?
To avoid cross-contamination, and indeed all other forms of contamination.
Why is there a need to clean the area where you will do the paraffin casting?
To avoid cross contamination.
What is the purpose of a weight paper when using a scale?
To avoid contamination of the instrument.
Why do we need different toothpicks to mix the blood and serum on slides 1 and 2?
Two toothpicks are used to avoid cross contamination.
How do you avoid contamination of reagents during experiments?
The best way to avoid contamination of samples in experiments is to limit contact with anything not necessary in the experiment. Specialized equipment may also help with this regard, such as the use of glass to avoid unwanted chemical reactions.
