GB/T 14420-1993 Replaced National standards

GB/T 14420-1993 Analysis of water used in boiler and cooling system—Determination of chemical oxygen demand—Rapid method with potassium dichromate

Publish Date: 1993-04-24 Implement Date: 1994-01-01 For services related to genuine standard inquiry, procurement, translation, and other related services in China, please Contact Us

Basic Information

Standard Code: GB/T 14420-1993

Standard Type: National standards

Standard Status: Replaced

is_force_gb: no

CCS Name: The boiler and its auxiliary equipment

ICS Name: Boilers and heat exchangers

Publish Date: 1993-04-24

Implement Date: 1994-01-01

Pages: 4 pages

Development Information

Word Count: 6 Thousand words Pages: 4 pages

Superseded by the following standards

GB/T 14420-2014 Analysis of water used in boiler and cooling system—Determination of chemical oxygen demand—Rapid method with potassium dichromate

Referenced Standards

GB/T 6903-2005 Analysis of water used in boil and cooling system—General rule GB/T 6903-2022 Analysis of water used in boiler and cooling system—General rule

Related Standards

GB/T 10656-1989 Replaced

GB/T 10656-1989 Analytical methods for boiler water and cooling water—Determination of zinc ion—Zincon spectrophotometry

Publish Date: 1989-03-22

GB/T 10657-1989 Abolished

GB/T 10657-1989 Analytical methods for boiler water and cooling water—Determination of zinc in prefilming liquid containing phosphorus and zinc—Complexometric titration

Publish Date: 1989-03-22

GB/T 10658-1989 Abolished

GB/T 10658-1989 Analytical methods for boiler water and cooling water—Determination of iron in prefilming liquid containing phosphorus and zinc—Sulphosalicylic acid spectrophotometry

Publish Date: 1989-03-22

GB/T 11943-1989 Replaced

GB/T 11943-1989 Boiler drawings

Publish Date: 1989-12-21

GB/T 13638-1992 Replaced

GB/T 13638-1992 Water level control and alarm devices for industrial boilers

Publish Date: 1992-08-29

GB/T 14415-1993 Replaced

GB/T 14415-1993 Analysis of water used in boiler and cooling system—Determination of solids matter

Publish Date: 1993-04-24