GB/T 223.50-1994

Active

Methods for chemical analysis of iron，steel and alloy--The phenylfluorone-CTMAB direct photometric method for the determination of tin content

钢铁及合金化学分析方法苯基荧光酮-溴化十六烷基三甲基胺直接光度法测定锡量

Standard Type

GBT

ICS

77.080

CCS

H11

Status

Active

Issue Date

1994-09-26

Implementation

1995-06-01

Centralized Committee

中国钢铁工业协会

Issuing Authority

国家技术监督局

Application Summary AI generated

This standard specifies the phenylfluorone-CTMAB direct photometric method for determining tin content in iron, steel, and alloys. It is applied in metallurgical laboratories and quality control settings for analyzing tin concentrations in ferrous materials, particularly where precise chemical composition verification is required for manufacturing or compliance testing.

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.