GB/T 34355-2017 Steam and hot water boiler chemical cleaning regulation

GB 8978 GB/T 4334-2008 Corrosion of metals and alloys—Test methods for intergranular corrosion of stainless steels GB/T 4334-2020 Corrosion of metals and alloys—Test methods for intergranular corrosion of austenitic and ferritic-austenitic (duplex) stainless steels GB/T 4334.1-2000 Method of 10 per cent oxalic acid etch test for stainless steels GB/T 4334.2-2000 Method of ferric sulfate-sulfuric acid test for stainless steels GB/T 4334.3-2000 Method of 65 percent nitric acid test for stainless steels GB/T 4334.4-2000 Method of nitric-hydrofluoric acid test for stainless steels GB/T 4334.5-2000 Method of copper sulfate-sulfuric acid test for stainless steels GB/T 4334.6-2000 Method of 5 per cent sulfuric acid test for stainless steels GB/T 4334.6-2015 Test method for stainless steels in 5% sulfuric acid GB/T 15970.5-1998 Corrosion of metals and alloy—Stress corrosion testing—Part 5:Preparation and use of C-ring specimens DL/T 523-2017 Chemical cleaning corrosion inhibitor application performance evaluation indicators and testing methods DL/T 523-2007 Chemical cleaning corrosion inhibitor performance evaluation indicators and testing methods DL/T 1151.1-2012 Combustion Power Plant Scale and Corrosion Product Analysis Method Part 1: General Rules DL/T 1151.2-2012 Combustion Plant Scale-up and Corrosion Product Analysis Method - Part 2: Sampling and Processing of Samples for Scale and Corrosion Products DL/T 1151.3-2012 DL/T 1151.3-2012 Water content determination for the analysis of scale and corrosion products in thermal power plants - Part 3: Method for the determination of moisture in scale and corrosion products DL/T 1151.4-2012 Analysis Methods for Scale and Corrosion Products in Thermal Power Plants - Part 4: Determination of Weight Loss (or Weight Gain) through Pyrolysis DL/T 1151.5-2012 Combustion Plant Scale and Corrosion Product Analysis Method - Part 5: Determination of Iron(III) Oxide (Fe2O3) in the Scale and Corrosion Products DL/T 1151.6-2012 Method for the analysis of scale and corrosion products in coal-fired power plants - Part 6: Determination of Al2O3 DL/T 1151.7-2012 Fossil power plant scale and corrosion product analysis method - Part 7: Determination of copper - Spectrophotometric method DL/T 1151.8-2012 DL/T 1151.9-2012 Method for Analysis of Scale and Corrosion Products in Coal-fired Power Plants - Part 9: Determination of Calcium Oxide and Magnesium Oxide DL/T 1151.10-2012 Fossil power plant scale and corrosion product analysis method - Part 10: Determination of silicon dioxide DL/T 1151.11-2012 Firepower power plant scale and corrosion product analysis method Part 11: Determination of zinc oxide DL/T 1151.12-2012 Fossil power plant scale and corrosion product analysis method - Part 12: Determination of phosphoric acid anhydride DL/T 1151.13-2012 DL/T 1151.13-2012 Ductile iron-fired power plant scale and corrosion product analysis method Part 13: Determination of sulfuric anhydride Optical method for barium sulfate DL/T 1151.14-2012 Fossil power plant scale and corrosion product analysis method - Part 14: Determination of sulfuric anhydride - Barium chromate photometry method DL/T 1151.15-2012 Firepower power plant scale and corrosion product analysis method Part 15: Preparation of test solution for soluble scale under investigation DL/T 1151.16-2012 Method for the analysis of scale and corrosion products in coal-fired power plants - Part 16: Determination of alkaline, carbonate and bicarbonate in water-soluble deposits DL/T 1151.18-2012 Method for the analysis of scale and corrosion products in coal-fired power plants - Part 18: Determination of sodium oxide in water-soluble scale samples DL/T 1151.20-2012 Analytical methods for deposits and corrosion products in coal-fired power plants - Part 20: Determination of carbon dioxide in carbonate scale DL/T 1151.22-2012 DL/T 1151.22-2012 Analysis methods for scale and corrosion products in coal-fired power plants - Part 22: X-ray fluorescence spectroscopy and X-ray diffraction analysis DL/T 1151.17-2012 Analytical methods of scale and corrosion products in power plants Part 17:determination of chloride in deporsit-forming impuritied in steam DL/T 1151.19-2012 Analytical methods of scale and corrosion products in power plants Part 19:determination of other components in deporsit-forming impuritied in steam DL/T 1151.21-2012 Analytical methods of scale and corrosion products in power plants Part 21:determination of metal-element contents-inductively coupled plasma atomic emission spectroscopy(ICP-AES) DL/T 1151.22-2023 DL/T 1151.22-2023 Ductile iron production plant scale and corrosion product analysis method Part 22: Wavelength dispersive X-ray fluorescence spectroscopy and X-ray diffraction methods for scale and corrosion products in the power plant GB 50273-2022 Code for construction and acceptance of boiler installation engineering