GB/T 223.78-2000 Replaced National standards

GB/T 223.78-2000 Methods for chemical analysis of iron,steel and alloy—Curcumin spectrophotometric method for the determination of boron content

Publish Date: 2000-10-25 Implement Date: 2001-09-01 For services related to genuine standard inquiry, procurement, translation, and other related services in China, please Contact Us

Basic Information

Standard Code: GB/T 223.78-2000

Standard Type: National standards

Standard Status: Replaced

is_force_gb: no

CCS Name: Analysis methods for steel and iron alloys

ICS Name: Black metals

Publish Date: 2000-10-25

Implement Date: 2001-09-01

Pages: 16 pages

Development Information

Word Count: 21 Thousand words Pages: 16 pages

Same series standard

GB/T 223.8-2000 Methods for chemical analysis of iron,steel and alloy The sodium fluoride separation—EDTA titration method for the determination of aluminium content GB/T 223.9-2000 Methods for chemical analysis of iron,steel and alloy The chrom azurol S photometric method for the determination of aluminium content GB/T 223.10-2000 Methods for chemical analysis of iron,steel and alloy The cupferron separation-chrome azurol S photometric method for the determination of aluminium content GB/T 223.13-2000 Methods for chemical analysis of iron,steel and alloy The ammonium ferrous sulfate titration method for the determination of vanadium content GB/T 223.14-2000 Methods for chemical analysis of iron,steel and alloy The N-benzoy-N-phenylhydroxylamine extraction photometric method for the determination of vanadium content GB/T 223.34-2000 Methods for chemical analysis of iron,steel and alloy—The determination of hydrochloric acid-insoluble content of iron powders

Superseded by the following standards

GB/T 223.6-2025 Iron,steel and alloy—Determination of boron content—Neutralization titrimetric method and spectrophotometric method

Referenced Standards

ISO 385-1:1984 ISO 648:1977 ISO 1042:1983 ISO 3696:1987 ISO 5725-1:1994 ISO 5725-2:1994 ISO 5725-3:1994 ISO 14284:1997

Adopt standards

ISO 10153:1997

Related Standards

GB/T 223.75-1991 Replaced

GB/T 223.75-1991 Methods for chemical analysis of iron, steel and alloy—The methanol distillation-curcumin photometric method for the determination of boron content

Publish Date: 1981-09-06

GB/T 3875-1983 Replaced

GB/T 3875-1983 Tungsten sheet

Publish Date: 1983-10-10

GB/T 3876-1983 Replaced

GB/T 3876-1983 Molybdenum and molybdenum alloy sheet

Publish Date: 1983-10-10

GB/T 3877-1983 Replaced

GB/T 3877-1983 Molybdenum foil

Publish Date: 1983-10-10

GB/T 223.38-1985 Active

GB/T 223.38-1985 Methods for chemical analysis of iron, steel and alloy—The anion-exchange separation-gravimetric method for the determination of niobium content

Publish Date: 1985-07-18

GB/T 223.40-1985 Replaced

GB/T 223.40-1985 Methods for chemical analysis of iron, steel and alloy—The anion-exchange separation-sulphochlorophenol S photometric method for the determination of niobium content

Publish Date: 1985-07-18