Carbon monoxide is produced when coal or any carbonaceous material is not completely burned. Carbon monoxide inhalation can cause immediate death in severe cases, and chronic poisoning in mild cases. Gas poisoning is usually referred to as carbon monoxide poisoning. Non-occupational carbon monoxide ... read more
1. The determination of blood COHb can use simple measurement methods, such as ①Addition and subtraction method: Take 1~2 drops of the patient's blood, dilute it with 3~4ml of distilled water, add 1~2 drops of 10% sodium hydroxide solution, and mix well. When the COHb in the blood increases, the blo... read more
Carbon monoxide is a colorless, odorless, non-irritating gas, so it is also called "invisible killer". Its chemical formula is: CO. The molecular weight is 28.01, the density is 0.967g/L, the freezing point is -207°C, and the boiling point is -190°C. The solubility in water is very low, but it is ea... read more
721/5000 In order to prevent fire, hospitals, hotels and other public places are now equipped with smoke detectors. If there is a smoke alarm in the room, it can prevent the fire from happening and stifle the flames in the cradle. So what exactly is the principle of smoke alarm? How does it detect s... read more
When it comes to smoke alarms, we should be very familiar with them, and we can see them on many occasions. And, now the smoke alarm has gradually entered the ordinary family, in the kitchen to set up a smoke alarm is not a rare thing. So we know that smoke alarm is so widely used, for the main clas... read more