Testing of asbestos and asbestos products; content of organic substances, determination by means of alkaline oxidation with potassium permanganate— 3 стр.
Testing of asbestos and asbestos products; determining the organic matter content by oxidation with potassium permanganate in alkaline solution— 4 стр.
Testing of asbestos and asbestos products; determining the organic matter content by oxidation with potassium permanganate in alkaline solution— 4 стр.
