free-flowing, white or colorless crystalline product.
used in the production of nonferrous metals, porcelain ware, in the manufacture of enamels and glazes, sanitary products, in the process of wire drawing, consisting of welding fluxes and solders.
|Mass fraction (Na2B4O7 · 10H2O),% not less|
|Mass fraction of residue is not soluble in water,%, not less|
|Mass fraction of carbonate,%, not more|
|Sulfate (SO4),%, not more|
|Mass fraction of heavy metals (Pb),%, not more|
|Arsenic (As),%, not more|
Bura has a different name - Tetraborate sodium.
Irritant to mucous membranes.
With increased exposure to the human body, it can cause poisoning.
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