GB/T 6903-2022 Translated English of Chinese Standard (GB/T6903-2022, GBT 6903-2022): Analysis of water used in boiler and cooling system - General rule [Buy--download True-PDF in 3-second: https://play.google.com/books > Sign in > This BOOK > "3-dots" > Export > Save as "*.pdf"]This document specifies the general requirements for water quality analysis methods of water used in boiler and cooling system, including general regulations, laboratory requirements, the expression method of solution concentration and the expression method of analysis results. This document applies to the quality analysis of water used in boiler and cooling system. |
Common terms and phrases
absolute difference absolute error allowable error analysis result analytical methods arithmetic mean blank test blank value boiler and cooling chemical oxygen consumption Chemical reagent circulating cooling water conductivity and dissolved cooling system Cui Dezheng determining the pH Diluted dissolved oxygen document double reagent equipment and according Expression method Expression of precision grade-2 grade-3 water Hu Yuexin instrument Jiang Guifu Mass concentration measure the sample nitrite parallel determination exceeds parallel determination results Peng Yunyan pH value provisions of GB/T reference titration solution repeatability conditions repeatability limit Repeatability standard deviation reported value reproducibility conditions reproducibility limit revised in 2005 Ruan Haibin Shen Jinfang significant figures single reagent solution of volume specific solution steps for measuring Take the arithmetic test method test of single test results third measured value Tong Lianghuai trace component units and symbols Unstable items volume V1 volume V2 Wang Yan water quality water samples Yongguang Zheng Huaili Zhu Guorong