Petroleum and related products — Determination of pH of fire-resistant fluids within categories HFAE, HFAS and HFC
石油及相关产品——HFAE、HFAS和HFC类耐火液体pH值的测定
发布日期:
2011-01-07
ISO 20843:2011规定了一种测试方法,以确定ISO 6743-4中分类的HFAE、HFAS和HFC类耐火液体的pH值。
ISO 20843:2011 specifies a test method to determine the pH value of fire-resistant fluids within categories HFAE, HFAS and HFC, as classified in ISO 6743?4.