SN/T 1523-2005 《Textiles-Determination of pH value on the surface》 Related products

The standard specifies a method for determining the surface pH value of Spinning & weaving products. It is applicable to Spinning & weaving products with a surface pH value in the range of 3.0 to 11.0, but not to Spinning & weaving products that have been treated with water repellent. The reference document includes numerical revision rules. The concept of surface pH value of Spinning & weaving products is defined in the term. The principle is to drop a certain amount of deionized water on the surface of Spinning & weaving products at room temperature, and determine the pH value of Spinning & weaving products with a pH Meter. Reagents include deionized water and buffer solutions.