DIN EN 13468:2001
建筑设备和工业设施隔热制品.痕量水溶性氯化物、氟化物、硅酸盐、钠离子和pH值测定
Thermal insulating products for building equipment and industrial installations - Determination of trace quantities of water soluble chloride, fluoride, silicate, and sodium ions and pH; German version EN 13468:2001