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stoneware mug Ceramic solid glazed mug cup What is the harm to human health of the lead glazed |
| Ceramic Mug From:Xinxiang Ceramic Mug Manufacturers |
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ceramic solid glazed mug cup stoneware mug
Lead glaze products when in contact with acidic foods, and the precipitated lead is mixed into the food. If the drink into contact with lead or achieve sufficient quantity of lead will affect the blood, nerves, kidneys, blood vessels of other people and organ function, which is often said lead poisoning. Lead hand will cause the synthesis of red blood cells in the bone marrow efficiency of the recession, leading to red blood cell life may be shortened. On the other hand in heme synthesis process inhibits the synthesis of heme and damage.
Effects of lead on the central nervous system, weight will cause acute poisoning and brain diseases; causes ranging from behavioral and physiological changes. Lead caused by severe brain disease or secondary cause nervous system sequelae. This situation even worse, have a negative impact on children's behavior in children and intellectual development.
The scientists also observed that the lead on the kidney with acute and chronic effects, its performance becomes hard for the kidney; lead affects the vascular system of the blood caused by poor heart disease and cerebrovascular disease.
Lead is present in human survival air, water, soil and food. Lead-glazed ceramic surface of the dissolution of lead is a source of human intake of lead. Generally, the amount of lead from food adult daily intake is estimated at between 0.1mg and 0.3mg. Wherein 8 ~ l 0% can be absorbed, the limit is 16%. Percentage of adult children than lead absorbed from the diet to be bigger. After absorption, blood lead is mainly in the red blood cells, found in all parts of the body, including blood, other fluids and soft tissues, in the discharge of lead in these parts for a month or so. Then most of the deposition in the bones, the lead in this part of the half-discharge period is estimated to be 28 to 63 years. The total lead content of 60 to 70-year-old male body up to 200mg. Thus, there is a certain anti-human ability to lead poisoning. Do not exceed the limit, you can still be considered safe. As long as the ceramic tableware in the amount of lead leaching strictly controlled within the allowable range, lead glaze can still be used where appropriate.
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