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Distinguishing and selecting methods for colored glazed porcelain tableware
The method of discrimination is very simple. The surface is smooth like glass, and the amount of lead and cadmium dissolved in underglaze and underglaze colored ceramics is very small or almost non-existent, so you can rest assured to choose; For glazed products with a textured surface, it is recommended to choose products with fewer decorative patterns on the surface. Secondly, if the glazed ceramic is touched by hand, the surface of the product will have a concave convex feeling, and the unevenness can be observed with the naked eye. If you feel uneasy about the product you are buying, you can soak it in vinegar for a few hours. If you find that the color change is too obvious, discard it.
When consumers choose glazed products, they should pay attention to whether the pattern color is bright. If it is not bright, the leaching amount of lead and cadmium is often high. If economic conditions permit, it is recommended to choose lead-free glaze "green" tableware, which can generally be purchased in supermarkets. For example, white porcelain bone china does not contain lead or cadmium, and the picture is not easy to wear and tear, suitable for use in microwave ovens, and is undoubtedly a "green" ceramic.
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