GB/T 223.78-2000

Abolished

Methods for chemical analysis of iron，steel and alloy--Curcumin spectrophotometric method for the determination of boron content

钢铁及合金化学分析方法姜黄素直接光度法测定硼含量

Standard Type

GBT

ICS

77.080

CCS

H11

Status

Abolished

Issue Date

2000-10-25

Implementation

2001-09-01

Centralized Committee

中国钢铁工业协会

Issuing Authority

国家质量技术监督局

Application Summary AI generated

This standard specifies a curcumin spectrophotometric method for determining boron content in iron, steel, and alloys. It is applied in metallurgical laboratories and quality control settings for chemical analysis of ferrous materials, particularly where precise boron quantification is required for product specification or process monitoring. The method is relevant for manufacturers, testing facilities, and procurement professionals verifying boron levels in steel and alloy products.

Related Standards

GB/T 222-2006 Permissible tolerances for chemical composition of steel products GB/T 9971-2004 Pure iron for raw material GB/T 4223-2004 Iron and steel scraps GB/T 718-2005 Foundry pig iron GB/T 1412-2005 Pig iron used for spheroidal graphite cast iron GB/T 4186-2002 Molybdenum-tungsten alloy rods GB/T 4184-2002 Tungsten-rhenium alloy wires GB/T 18255-2000 Coking viscous oil products--Determination ofdistillation range

Transparency note: The application summary and key sentences on this page were automatically generated by AI from the standard's original text. This content has not been human-verified and should not be used for compliance or regulatory purposes. Always refer to the official standard document from the issuing authority.