1. must be wearing long white coat (white petticoat) and is closed to maintain your body and your clothes, wearing protective glasses, and there are cases require wearing gloves while working
2. After using the bottles on the shelves should be returned to its place with sealed and may not be left on the table so that others use, as well as with the case of the collective use of the tools.
3. Close the explosive storage of the chemical private crimp cap immediately after taking the right amount of them in order to prevent mixing lids together, leading to contamination of chemicals, and thus failed some tests
4-chemicals do not return to their containers unless you request that your professor
5-at ease concentrated acids Avoid adding water to it, but carefully Add acid (drop by drop) on the wall of the tube containing water beforehand
6-smelling chemicals directly Do not try to put the package in front of your nose, because some of them very dangerous if we smell any material or gas out of the reaction vessel is not under the direction of smell and the reaction vessel directly to the nose. But the smell is moving toward the rising gas hand-nosed any sniff indirectly so as not to inhalation of large amounts of gas
7-not taste any chemical substance for whatever reason
8-when heating solutions try to keep the evenly distributed, and used so special heating network, or move the test tube is constantly on the flames, and beyond the nozzle from your face or the face of your colleague not even poured none of them on your colleague, especially if you are heating and happened Foran article has up part of the chemical to you or to your colleague
9-experience that result in toxic gases or unacceptable odor Do It in the closet gas suction
10-ensure the cleanliness of the tools and special pipettes before inclusion in the package containing chemicals to prevent pollution and spoil
11-walking quietly in the laboratory and not in a rush to walk or sudden move, and leave the fun and banter and quarreling in the laboratory
12-You must keep your place clean and receive matches with chopsticks or nomination papers in ponds or on the table, but throw it in the trash box.
13-at the end of the lab, the student clean tools that led her experience.
The student clean punch and leaves no residue of chemicals on the bench has left the remains of acidic material focused and comes after a student from his hand by Fathrgah
14 hand-wash well with running water after completion of the work, it reduces the risk of poisoning by toxic chemicals
15. Do not any experiments only required you mean to Track your curiosity has hurt yourself and hurt others
16. generally do not deal with any device if you do not know the way it works well
17. From the beginning of the lab know the location of the fire extinguisher and learn how to use it
In case of skin exposure to the chemical substance
If a chemical burns the skin, remove the cause of the burn by flushing the chemicals Manalai skin using cool, running "tap water" for 20 minutes or more water.
In the case of exposure to the eye of a chemical
When exposure to the eye of any chemical solution, should wash the eye with water immediately and continue for a period of not less than two minutes. The most important thing to be done is a continuation of the eye wash with clean water while the eyelids are open where any delay in easing the concentration of the chemical solution, which may be hit by the eye, it can lead to the creation of eye damage.
