Why do laboratories need glove boxes? Because these safety issues cannot be ignored.
Laboratory vacuum glove box is an inert gas protection box that can evacuate the main box. The vacuum degree of the box meets ≤-1bar, and the air in the box can be quickly evacuated. The system consists of the main box, transition cabin, control unit, purification unit, etc. The vacuum glove box equipped with a purification system can meet H2O and O2≤0.1ppm, leakage rate≤0.001vol%h, suitable for most industrial applications, and the system is composed of the highest quality components... However, in addition to being an experimental instrument, it may also protect your safety at critical moments~ Because in the laboratory, there may be more dangerous factors than you can imagine.

The most common: dangerous chemical experiments

In the process of chemical experiments, harmful gases that damage human health may often be released, seriously endangering the health of experimenters and the atmospheric environment. Generally, when operating in a laboratory, people can install exhaust devices such as ventilation cabinets to avoid operators from inhaling harmful gases as much as possible. However, if teachers want to conduct chemical demonstration experiments in the classroom, the harmful gases generated will be released into the classroom space, causing pollution to the classroom air, thereby affecting the health of teachers and students. In addition, the current ventilation devices only have ventilation functions, which cannot completely avoid harm to the human body and cannot purify harmful gases, so that harmful gases are directly discharged outdoors and become a source of pollution in the air environment.

In view of the above deficiencies in the existing technology, the glove box provides a gas purification glove box for chemical experiments that avoids human harm and environmental pollution. The technical solution to solve the technical problem is characterized by comprising a glove box body and a gas adsorption purification device. The glove box body is made of high-quality 304 stainless steel and tempered glass. The box body is respectively provided with glove openings and gloves sealed and connected thereto, and integrated modular inlet and outlet valves; a gas adsorption purification system; the outlet valve of the glove box body is connected to the air inlet of the gas adsorption purification device through a hose through an induced draft fan.
Laboratory safety hazards that cannot be ignored

—Laboratory refrigerator

Organic reagents are used in extraction or dialysis, and are placed in the refrigerator open. Because the organic gas reaches a critical concentration, it is ignited by the electric spark when the refrigerator compressor is started. The cause of the accident is not the quality of the refrigerator itself, but people put petroleum ether, acetone, benzene, butane gas and other chemicals in the refrigerator. We know that the temperature in the refrigerator is low. If low-boiling-point, low-flash, flammable and explosive chemicals are placed in the refrigerator, they will volatilize flammable gases under low temperature conditions.

Even if the bottle cap is twisted tightly, the low temperature will often cause the bottle shell to shrink, the gas valve to loosen, and even the bottle shell to rupture. The volatile flammable gas mixes with the air to form an explosive mixture that fills the refrigerator. It is very easy to explode when it encounters the electric spark generated by the opening and closing of the temperature control switch (or other control switch). Therefore, refrigerator users must not store chemicals in the refrigerator casually.
Similarly, the chemical products stored in the laboratory glove box should also be paid attention to. Although the temperature is as low as -36℃ and the accuracy reaches ±1℃, it must not come into contact with open flames, and attention should be paid to storage safety issues.

—About the treatment of liquid nitrogen

Many people use glass and snap-on centrifuge tubes to hold samples and put them into liquid nitrogen tanks. When they are taken out, the properties of the tube wall have changed and cannot withstand the pressure of the expanding gas, or the pressure is uneven when the temperature rises rapidly, causing explosions.

For this reason, when operating liquid nitrogen, closed operations are performed to provide good natural ventilation conditions. Operators must be trained and strictly abide by operating procedures. It is recommended that operators wear cold-proof gloves. Prevent gas leakage into the workplace air. Carry lightly when carrying to prevent damage to the cylinder and accessories. If possible, when handling liquid nitrogen, glove boxes should be used as much as possible and operations should be performed in a vacuum environment.

—Radioactive isotopes

Illegal operation of radioactive isotopes, not wearing gloves, not protecting the head and chest, and littering radioactive items. Failure to immediately clean the recovered materials contaminated with isotopes after the experiment.