GB/T 12689.14-1990
Zinc and zinc alloys--Determination of aluminium content--Chromazurol S spectrophotometric method (English Version)

Standard No.

GB/T 12689.14-1990

Language

Chinese, Available in English version

Release Date

1990

Published By

General Administration of Quality Supervision, Inspection and Quarantine of the People‘s Republic of China

Status

Be replaced 2004-10

Replace By

GB/T 12689.1-2004

Latest

GB/T 12689.1-2010

Scope

This standard specifies the method for the determination of aluminum content in zinc and zinc alloys. This standard applies to the determination of aluminum content in zinc and zinc alloys. Measuring range: 0.001% to 0.50%. In the case of disputes over the analysis results, the arbitration method shall be determined by GB/T 12689.13 "Methods for Chemical Analysis of Zinc and Zinc Alloys by Electrothermal Atomic Absorption Spectrometry".

GB/T 12689.14-1990 history

• 2011 GB/T 12689.1-2010 Methods for chemical analysis of zinc and zinc alloys—Part 1:Determination of aluminum content—Chromazurol Spolyethylene glycol octyl phenylether-cetylpyridine bromine spectrophotometry,Chromeazurol S spectrophotometric method and EDTA titrimetry
• 2004 GB/T 12689.1-2004 The methods for chemical analysis of zinc and zinc alloys-The determination of aluminum content-The chromazurol S-polyethylene glycol octyl phenylether-cetylpyridine bromine spectrophotometric method and The chromeazurol S spectrophotometric method and th
• 1990 GB/T 12689.14-1990 Zinc and zinc alloys--Determination of aluminium content--Chromazurol S spectrophotometric method

GB/T 12689.14-1990 Zinc and zinc alloys--Determination of aluminium content--Chromazurol S spectrophotometric method was changed to GB/T 12689.1-2004 The methods for chemical analysis of zinc and zinc alloys-The determination of aluminum content-The chromazurol S-polyethylene glycol octyl phenylether-cetylpyridine bromine spectrophotometric method and The chromeazurol S spectrophotometric method and th.

GB/T 12689.14-1990 -All Parts