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Is the higher the purity, the better the sterilization effect? Neither pure alcohol nor water is enough to denature the protein in the bacteria. It can also be used to temporarily sterilize small medical devices with its flame.ħ5% and 95% of medical alcohol are common in pharmacies. It is used to heat laboratory reagents or pharmaceutical preparations after ignition. 95% of alcohol is often used as a fuel for alcohol lamps and alcohol stoves by medical institutions.
#Chem c3000 make iodine skin#
This refers to normal skin disinfection, not wound disinfection. 70% to 75% alcohol can be used for sterilization and disinfection, including skin disinfection, medical device disinfection, and iodine deiodination.For example, pour a little 40% to 50% alcohol into the hands during the massage, and evenly massage the patient ’s compressed area to promote local blood circulation The purpose of the formation of bedsores. Prolonged pressure on the back, waist, and buttocks of long-term bedridden patients can cause bedsores. 40% to 50% alcohol can prevent bedsores.But the alcohol concentration should not be too high, otherwise, it may irritate the skin and make the epidermis lose a lot of water. Because wiping the skin with alcohol can dilate the blood vessels of the patient’s skin and increase the heat dissipation capacity of the skin, its volatility can also absorb and take away a lot of heat, so that the symptoms are relieved. Patients with high fever can wipe their body to achieve the purpose of cooling. 25% ~ 50% of alcohol can be used for physical fever.Different concentrations of medical alcohol have different effects. Medical alcohol can be used for human body disinfection, the main purpose is disinfection and sterilization. It can kill a variety of bacteria and viruses, and can also effectively kill new coronaviruses. Medical evidence shows that when the concentration of ethanol is 75%, the disinfection effect is the best. Medical alcohol is a mixed solution of ethanol and water. If industrial alcohol is used for skin disinfection, it may be partially absorbed by the skin, leading to poisoning. It can also be used as a cleaning agent and solvent, but it cannot be used for human body disinfection. It can be used in printing, electronics, hardware, spices, chemical synthesis, pharmaceutical synthesis, etc. Due to different manufacturers, its proportion is not the same, generally more than 90%. Industrial alcohol is the alcohol used in industry, also known as denatured alcohol, industrial fire wine. The main component of medical alcohol is ethanol, and the main component of industrial alcohol is methanol. At the time of purchase, the main components of alcohol can be viewed and distinguished. CHEM C3000 is an excellent preparation for high-school level chemistry.First, we must understand the type of alcohol, alcohol is divided into industrial alcohol and medical alcohol. These concepts are critical to continued study of chemistry. CHEM C3000 has a similar hands-on approach to teaching chemistry as our other CHEM kits, but also teaches more advanced topics such as chemical equations, atomic structures, and the periodic table.
#Chem c3000 make iodine manual#
You could call it a textbook, but the manual is too much fun to make that comparison. The 192-page, full-color experiment manual is written at a more advanced level than the other CHEM kit manuals.
#Chem c3000 make iodine plus#
This kit includes all of the components from CHEM C2000, plus dozens of additional tools and chemicals, and 100 additional experiments, for a total of more than 333 experiments. CHEM C3000 is the ultimate chemistry set.