HG/T 2797.4-2007 《Silica-alumina carbon black.Part4:Determination of pH value》 Related products

This part specifies the determination method of silicon aluminum carbon black ph value. It is suitable for the determination of various types of silicon aluminum carbon black ph value. Users need to have practical experience in formal laboratory work and note that this part does not cover all possible safety issues. Cited documents include GB/T6682, GB/T8170, GB/T 9724, HG/T 2880. The principle is to determine the ph value after mixing the sample with distillation water. Reagents include water, ethanol, acetone and standard buffer solution. Required instruments are Analytical Balance, Industrial Balance, pH Meter, Container, watchglass and electric hot plate or heater.