This standard specifies the work content, methods and requirements for online chemical instrument debugging in nuclear power plants. This standard is applicable to the debugging of online chemical monitoring instruments for the primary and secondary circuits of nuclear power plants, and thermal power plants can refer to it for implementation.
NB/T 25026-2014 Referenced Document
DL/T 502.21 Analytical methods of steam and water in power plants.Part 21: Determination of chlorine residual (Colorimetric method)
DL/T 677-2009 Checking and calibration code for on-line chemical monitoring instrument of power plant
GB/T 12151 Analysis of water used in boil and cooling system-Determination of turbidity-Formazine turbidity
GB/T 601 Chemical reagent.Preparations of reference titration solutions*， 2016-10-13 Update
GB/T 6903 Analysis of water used in boiler and cooling system—General rule*， 2022-03-09 Update
GB/T 6904 Water used in industrial circulating cooling system and boiler.Determination of pH
GB/T 6906 Methods for analysis of water for boiler and for cooling The determination of hydrazine
NB/T 25026-2014 history
2014NB/T 25026-2014 Guideline for the commissioning of on-line chemical monitoring instrument in nuclear power plant