How to choose a ceramic tea set?
First, the purchase of ceramic tea sets must choose the formal market, must not be cheap to buy inferior products without formal manufacturers. According to the national regulations, the ceramic tea set shall be soaked in 4% acetic acid. The amount of lead dissolved shall not exceed 7 mg/L, and the amount of cadmium shall not exceed 0.5 mg/L. At present, the products of the regular manufacturers can basically meet this requirement.
Second, when buying, look carefully at the fineness of the tea set, and touch the surface of the tea set with your hands to see if the inner wall is clean and smooth.
Third, use the nose to see if there is odor.