Salt is a necessary condiment for every family.
Officials can't just add salt to dishes.
It can also be used to preserve meat and vegetables for a longer time.
But recently, someone was poisoned by salt.
That's weird. Isn't it salt?
Why are these people poisoned after eating?
In fact, they eat industrial salt.
Chemically speaking, salt is a big category and contains many substances.
Industrial salt and table salt are similar in appearance and salty.
But in fact they are completely different.
The salt we often eat belongs to food.
Its main component is nontoxic sodium chloride.
But industrial salt is mainly used in industrial smelting.
According to different uses
They contain toxic substances such as sodium nitrite, lead and arsenic.
Common industrial salt poisoning incidents are caused by people eating sodium nitrite by mistake.
Sodium nitrite will destroy hemoglobin in the blood.
So that red blood cells can no longer carry oxygen, causing symptoms such as hypoxia in the human body.
65438+ within 0 to 3 hours after eating nitrite by mistake.
People will feel dizzy and sick and have difficulty breathing.
It is also possible to pass out and die because of high blood pressure.
Someone said it.
Why are some people cooking with industrial salt?
As the saying goes, it is hooliganism to talk about toxicity without dose.
The opponent is an adult.
Three grams of sodium nitrite can be fatal.
It takes 0.2 to 0.5 grams to be poisoned.
Salty dishes only use 0.5 grams of salt.
Nitrite is only a part of it. This person eats a meal.
Of course, if the intake of nitrite does not reach the attack amount, there will be no immediate problem.
But if he eats it every day and accumulates it, something will happen.
So friends should be careful.
Don't covet cheap industrial salt cooking.