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DL/T 502.20-2006 Analytical methods of steam and water in power plants Part 20: Determination of dissolved oxygen (Colorimetric method using sodium indigo disulphonate) $150.00 via email in 1~3 business day valid
DL/T 502.21-2006 Analytical methods of steam and water in power plants Part 21: Determination of chlorine residual (Colorimetric method) $184.00 via email in 1~3 business day valid
DL/T 502.22-2006 Analytical methods of steam and water in power plants Part 22: Determination of chemical oxygen demand (Potassium per-chlorate method) $120.00 via email in 1~3 business day valid
DL/T 502.23-2006 Analytical methods of steam and water in power plants Part 23: Determination of chemical oxygen demand (Potassium dichromate method) $120.00 via email in 1~3 business day valid
DL/T 502.24-2006 Analytical methods of steam and water in power plants Part 24: Determination of aluminum sulfate coagulant (Alkalinity difference) $60.00 via email in 1~3 business day valid
DL/T 502.25-2006 Analytical methods of steam and water in power plants Part 25: Determination of iron (Spectrometric method using sulphosalicylic acid) $120.00 via email in 1~3 business day superseded
DL/T 502.25-2019 Analytical methods of steam and water in power plants一Part 25: Determination of iron $120.00 via email in 1~3 business day valid
DL/T 502.26-2006 Analytical methods of steam and water in power plants Part 26: Determination of ferrite (Spectrometric method using bathophenanthorline) $120.00 via email in 1~3 business day valid
DL/T 502.27-2006 Analytical methods of steam and water in power plants Part 27: Determination of suspended iron $120.00 via email in 1~3 business day valid
DL/T 502.28-2006 Analytical methods of steam and water in power plants Part 28: Determination of organic matter (Ultraviolet spectrophotomerty) $160.00 via email in 1~3 business day valid
DL/T 502.29-2006 Analytical methods of steam and water in power plants Part 29: Determination of cation conductivity $120.00 via email in 1~3 business day superseded
DL/T 502.29-2019 Analytical methods of steam and water in power plants Part 29: Determination of cation conductivity $150.00 via email in 1~3 business day valid
DL/T 502.3-2006 Analytical methods of steam and water in power plants Part 3: Determination of total sillicon (Spectrometric method by conversion with hydrofluoric acid) $120.00 via email in 1~3 business day valid
DL/T 502.30-2006 Analytical methods of steam and water in power plants Part 30: Determination of nitrates (Spectrometric method using salicylic acid) $120.00 via email in 1~3 business day valid
DL/T 502.31-2006 Analytical methods of steam and water in power plants Part 31: Determination of stability index $90.00 via email in 1~3 business day valid
DL/T 502.32-2006 Analytical methods of steam and water in power plants Part 32: Determination of calcium (Volumetric method) $120.00 via email in 1~3 business day valid
DL/T 502.4-2006 Analytical methods of steam and water in power plants Part 4: Determination of chloride (Electrode method) $120.00 via email in 1~3 business day valid
DL/T 502.5-2006 Analytical methods of steam and water in power plants Part 5: Determination of acidity $160.00 via email in 1~3 business day valid
DL/T 502.6-2006 Analytical methods of steam and water in power plants Part 6: Determination of total carbonate $120.00 via email in 1~3 business day valid
DL/T 502.7-2006 Analytical methods of steam and water in power plants Part 7: Determination of free carbon dioxide (Direct method) $160.00 via email in 1~3 business day valid
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