EN 50267-2-3酸度測試– 標準名稱
EN 50267-2-3 common test methods for cables under fire conditions-tests on gases evolved during combustion of materials from cables-Part 2-3: Procedures-Determination of degree pf acidity of gases for cables by determination of the weighted average of PH and conductivity.
EN 50267-2-3 電纜在著火條件下的一般測試方法,電纜材料燃燒過程中釋放出的氣體的測試,第2-3部分:程序,通過測試量PH值和傳導率的加權平均值測定電纜燃燒產生的氣體的酸度測試
EN 50267-2-3酸度測試– 測試要求
樣品應在(23±2)℃的溫度和(50±5)%的相對濕度下保存至少16小時
EN 50267-2-3酸度測試– 標準概述
EN 50267-2-3規定了通過測定組成材料的ph值和電導率的加權平均值來測定電纜或光纜燃燒過程中產生的氣體酸度的測試方法和程序。
Scope:
EN 50267-2-3 specifies the test method and procedure for the determination of the degree of acidity of gases evolved during the combustion of electric or optical cables by determination of the weighted average of pH and conductivity of the constituent materials.
NOTE The relevant cable standard should indicate which materials from the cable should be tested.
EN 50267-2-3酸度測試 – 相關標準
EN 60754-1: Test on gases evolved during combustion of materials from cables. Part 1. Determination of the halogen acid gas content
EN 60754-1: 測試電纜材料燃燒過程中產生的氣體。第1部分:鹵素酸性氣體含量的測定
EN 60754-2: Test on gases evolved during combustion of materials from cables. Part 2. Determination of acidity (by pH measurement) and conductivity
EN 60754-2:測試電纜材料燃燒過程中產生的氣體。第2部分:測定酸度和電導率
EN 60754-3: Test on gases evolved during combustion of materials from cables. Measurement of low level of halogen content by ion chromatography
EN 60754-3: 測試電纜材料燃燒過程中產生的氣體。離子色譜法測定低水平鹵素含量