Be careful of lead in ceramic tableware
A lot of daily-use ceramic tableware has flower decoration, and most of them are decorated with glaze color, mainly including glaze, glaze, underglaze and other decorative methods. Different decorative methods have higher levels of heavy metal elements such as lead and cadmium. Great difference. For example, foods contained in products with excessive lead and cadmium content may cause lead to deposit in the blood, causing damage to the central nervous system, kidneys and other organs of the brain, and may also have adverse effects on the mental development of children and adolescents.
In the porcelain eating utensils, the glaze color, the underglaze color and the most glazed porcelain and white porcelain have very low lead and cadmium content, while the glaze color porcelain uses inferior pigments in the processing of ceramic flower paper, or If the amount of pigment containing lead and cadmium is too large, or the temperature and ventilation conditions are insufficient when baking, it is easy to cause excessive lead and cadmium dissolution.
Some white porcelains, mainly uncolored anodized porcelain, are made of lead-containing frit glaze. If the firing process is not strictly controlled according to the process conditions of the ashes, the possibility of lead dissolution exceeding the standard is also high.
The amount of lead and cadmium in the glaze and underglaze ceramics is very little or almost no, so you can buy it with confidence. In order to reduce the influence of lead content, the glaze color products can be used according to the purpose of use:
1 For utensils containing food, attention should be paid to the decoration of the contact surface with the food.
2 For utensils containing acidic foods, try to use products with less surface decoration patterns.
3 When purchasing, you should also pay attention to whether the pattern color is bright. If it is not bright, it may be that the temperature does not meet the requirements when baking flowers. The lead and cadmium dissolution of such products tends to be high.
4 Pay special attention to the products that can be wiped off by hand. This product has a very high lead and cadmium dissolution.
5 pairs of products that are not at ease, can be soaked in vinegar for a few hours, if you find that the color has obvious changes should be discarded.
In short, ceramic tableware is not good for the health of the human body because of the glaze color. In this case, it is best to undergo certain treatment. Otherwise, the damage to the body will be very large in the long run, and some incurable diseases will be induced.
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