GB/T 7977-2007 《Paper,board and pulps - Determination of conductivity of aqueous extracts》 Related products

"GB/T 7977-2007 Determination of conductivity of paper, Cardboard and paper pulp water extraction liquid" specifies the detection method of the conductivity of the water extraction liquid of related materials. The standard specifies the determination principle, specifies the equipment, reagents, sample prepative, operation steps and result calculation methods in detail, and is used to accurately determine the conductivity of paper, Cardboard and paper pulp water extraction liquid. It provides a quantitative basis for evaluating material purity, impurity content and related performance, and ensures the scientific and conformity of the test results.