The cause of heating of iron powder desiccant

Lead: we all know that iron powder can be used as desiccant, but do you know the reason why iron powder desiccant is hot? Let's take a look at it together with the small edition of Baibai safety net! We all know that iron powder can be used as desiccant, but do you know the reason why iron powder desiccant is hot? Now let's take a look at it together with the small edition of Baibai safety net! Iron powder desiccant heating reason iron powder desiccant, also known as double absorbent, is to absorb water and oxygen to occur slow oxidation, while releasing heat Iron powder reacts with water vapor and oxygen in the air The reaction is exothermic, so it will dissipate heat How to do about eating food desiccant by mistake 1 The biggest harm of eating quick lime desiccant by mistake (white powder or block) is the exothermic reaction between calcium oxide and water, which is easy to cause esophageal burn or gastric ulcer We should drink water to dilute and induce vomiting as soon as possible to reduce absorption in the body, but it is not suitable to drink too much water, so as not to cause vomiting and burn the esophagus again, and then send it to the hospital for treatment as soon as possible 2 Ingestion of silica gel desiccant (colorless, transparent or translucent particles) silica gel can not be absorbed in the gastrointestinal tract, but can be discharged through feces Generally speaking, it is not toxic to human body, and no special treatment is required after ingestion 3 The mineral desiccant and montmorillonite desiccant (brown yellow or gray white particles) are processed by mineral soil (clay) Due to the differences in local areas, they may contain different metal substances, so the correct preliminary treatment cannot be made, so we should seek medical treatment as soon as possible 4 Ingestion of ferric oxide (coffee color) by mistake has a slight irritation If the amount of ingestion is not large, drink more water to dilute it, but if the amount of ingestion is large, even the symptoms of nausea, vomiting, abdominal pain and diarrhea appear, it may be iron poisoning, so we should go to the hospital as soon as possible 5 General first-aid measures are toxic to those who eat desiccant by mistake It is suggested that we should not induce vomiting after eating it At this time, it is suggested that we take milk or water immediately Generally, adults drink 240 ml of water Children usually take 10 ml per kilogram of body weight However, the total amount must be less than 200 ml, After all, drinking more water may cause vomiting The above is a small edition of Baibai safety net, which provides you with an answer about the heating reason of iron powder desiccant If you want to know about the type of desiccant and other small knowledge, please also pay attention to the small knowledge of dangerous goods in life of Baibai safety net, and hope the above content can help you Editor in charge: Wu Mengli