One should not touch the optical assembly with bear hands. Optical surface of cuvettes should not be touched with fingers to avoid erratic reading.
Always ensure effectiveness of silica gel kept in instrument.
Preserve the instrument from dust particles.
Never wash the cuvettes with chromic acid.
Wash the cuvette with the distilled water and then with methanol before storage.
Check the calibration status before using the instrument and ensure the timely calibration.
Do not overfill the cuvettes.
Perform the visual inspection of cuvettes for suitability.
how can you determine precautions that should be followed while using a hazardous chemical
make sure that the liquid in which you dip does not spill on your handmake sure your litmus paper is new and not wetthat's it
Magnesium ribbon is not particularly dangerous unless you ignite it. If it does catch fire, it will burn with an intensly bright white light that will burn your retinas if you aren't wearing appropriate eye protection or aren't looking away while it is burning. It is as bad as watching arc welding because of the ultraviolet light emitted. It is good form to wear eye protection in the lab at all times. While you can tear the ribbon with your fingers, it is possible that it could poke you in the eye and scratch your cornea.
Regular medications should be okay while fasting. Check with your doctor.
1. Never heat alcohol directly on naked flame 2. you should take a beaker with boiled water in it and then place the alcohol with the test tube in it 3. you should wear goggles while heating alcohol. 4. never smell the alcohol directly after heating
vhb
Keep equipment dry.
Stay away from it.
Yes. Stop using the illicit drug. What do you think.You can just wait 7-10 days.
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Make sure that they are not stolen?
Yes, because francium is a strongly radioactive element.
precautions safety on a binging machines
Never work on a circuit while the power supply is on.
No. While precautions can be taken to make sure you don't catch it (as usual with the flu), there is no reason to fear it.
A spectrometer shoots light through a sample and detects absorbance while a fluorimeter detects the intensity of fluorescence of a given sample.
Radiation therapy requires extensive treatment planning and imaging. Care must be taken to localize the cancer field while attempting to spare destruction of normal tissue. This requires image monitoring and exact positioning during.