Dry Goods: How Dangerous Is The Chemical Laboratory?

- Jan 14, 2019 -

The causes of most safety accidents in the laboratory can be summarized into two types: natural disasters and man-made disasters. In addition to the irresistible human factors, the lack of safety awareness, experimental operation is not standardized, etc., have become the main factors of major security incidents.

It is said that one or two of every chemistry person will be selected by the god of death. They either wave outside the shape without protection, or succumb to death within a room. With a deplorable heart, the god of death harvested their lives to alert the people around them and to be careful and chemistry for the rest of their lives. And all we can do is to carefully avoid the sickle's sickle.

Of course, the students in the chemistry profession think that it is not so serious! As long as the protection is proper and the experimental norms are observed, it is generally safe to walk out of the laboratory door.

First of all, the protective measures of modern chemical research have been very advanced. Most practitioners do not encounter too many security incidents, and bricklayers working in ordinary laboratories are also very safe. But whoever makes some people always do not take personal safety seriously...

lab furniture 9.14

In fact, the risks encountered in chemical experiments can be roughly divided into the following categories:

1. Experimental operation is not cautious, not standardized

2. Handling errors when encountering danger

3. Did not fully understand the potential hazard before conducting the experiment

4. Failure to treat in time and effectively after injury/poisoning

5. Safety related equipment is unqualified

Excluding the unexpected accidents and force majeure of various potholes, these dangers are simply one sentence: careless!

Common laboratory conditions

1. Safety related equipment is unqualified

I won't say much about it. I think about how serious this thing is with my knees. When the fire started, I found that the fire extinguisher was not under pressure. The concentrated sulfuric acid splashed on the body and found that the shower was blocked. The lye splashed and found that the eye wash was not out of water. The hydrogen cyanide was sucked into the lungs and found that there was no wind in the fume hood. .....

Do not look at these equipment is usually like a display, regular inspection is very cumbersome, but when used, the emergency function of these things can not be underestimated. In accordance with the requirements of safety regulations, adequately prepare, properly preserve, regularly inspect, and timely update safety-related equipment.

2. Experimental operation is not cautious, not standardized

This is the most common problem, and it is also the most easily overlooked problem.

I usually don't pay attention to the experiment, which step ignores the feeling. It seems that there is no problem. Why should I be so nervous and waste time, so I will dig the grave frequently afterwards. Hahahahehehe, yes, no problem?

The last time the lye splashed on the face, I felt that the skin was slippery.

This time the lye splashed on the face, the skin... licking my skin?

The most dangerous thing always happens when you feel safe. Do not relax your vigilance at any time, nor reduce your operating standards because of your proficiency.

3. Handling errors when encountering danger

The fire is spreading, the toxic gas is leaking, and the serial explosion is about to happen, DUTY IS CALLING!

However, in this extremely tense moment, there are always some small pots of friends who are arrogant and arrogant.

There are also some small pot friends who meet without fear. No matter what the danger is, what is going on, holding the water basin and pouring it on the ether of the fire, then watching the ash squatting and squatting to show that it is cute.

Call you a safety education class to open a chat! Call you to experiment with the rules of practice on the painting Altman!

Usually study the safety norms carefully, calm down before encountering problems, and then judge whether it is time to run or solve on the spot, if the solution is to be solved. You must not learn to go through the game, nor can you deal with it in a panic.

4. Did not fully understand the potential hazard before conducting the experiment

Often, chemical experiments are less dangerous. Because if the experiment to be done is potentially dangerous, the experimenter will certainly be fully prepared and protected, a set of equipment code to the body, each dangerous instrument is checked clearly, and the operation is cautious.

But!!!

If you don’t know that you are joking with life before you do the experiment, you will start to wear nitroglycerin like a shirt, so hehehe.

It is not dangerous for people who really understand chemistry to do chemistry. Of course, this is a bit absolute. No matter who does it, the danger is still there. But if you can predict the potential danger, you can prepare to stop before you die. The problem is not big~

The foundation of chemical knowledge should be solid, and the experimental design stage should fully estimate the dangers that may occur in the process and make relevant protection in advance.

5. Failure to treat in time and effectively after injury/poisoning

Do not think that you can go to a hospital to carry out chemical and chemical control, and do not get worse!

If you have problems, you need to find a special chemical control hospital for treatment. Even if you are far away from trouble, it will be better than delaying treatment.

The address and telephone number of the chemical occupational disease prevention and treatment center in the city where you work must be remembered! Because the vast majority, you are injured by chemical drugs at work, in addition to chemical occupational disease prevention and treatment, other medical institutions may not be able to quickly diagnose!

The least popular person or behavior

1. Press the elevator button with rubber gloves and open the door.

2. The experimental clothes are not washed often, when the apron is worn, sometimes the experimental clothes are not worn. There are also slippers and sandals.

3. The two share a fume hood, but do different types of experiments.

4. The ventilator has more debris, is crowded, and often forgets to pull it down.

5. There are too many laboratory reagents, and many of them are placed on the reagent rack and there are many glass bottles.

6. The laboratory and the office are combined into one (this will lead to more slots).

7. The drug control is not strict enough. There are often a few people who are more resentful in the lab. Sometimes they are really worried that they will not be able to pull the people around them. It seems that the dangerous reaction is not declared, and I want to do it.

8. The boss receives horizontal projects, which often open up large-scale reactions. How many times these reactions are amplified, often determined by the brain. There is no risk assessment for the amplification reaction.

Chemical work practitioners need to know

Chemical work practitioners need to know the first article:

It is important to know where the fire extinguisher at your workplace is, what type, and where the safe passage is.

Chemical work practitioners need to know the second article:

Whether in the laboratory or in the factory, be sure to pay attention to personal protection. Don't be reluctant to wear shoes/trousers/clothes. Throw them and throw them. Life is always more important than those outside!

Chemical work practitioners need to know the third article:

[The address and telephone number of the chemical occupational disease prevention and treatment center in the city where you work, be sure to remember! Because the vast majority, you are injured by chemicals at work, in addition to chemical occupational disease prevention and treatment, other medical institutions may not be able to quickly diagnose! 】

I have a special bracket for this, because this is the four points, it can be said that the most important!

Chemical work practitioners need to know Article 4:

It is necessary to standardize operations and eliminate potential safety hazards. At the same time, it must also be necessary to stop other people's illegal operations in a timely manner, because the consequences of other people's illegal operations may also hurt you!

Having said that, the key is actually consciousness. Recognizing the importance of laboratory safety, it is natural to be cautious about these things. Under normal circumstances, as long as the work is done well, it is not difficult for the bricks to die.


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