GB/T 21651-2008
Secondarily zinc alloy ingots (English Version)

Standard No.

GB/T 21651-2008

Language

Chinese, Available in English version

Release Date

2008

Published By

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

Status

Be replaced 2019-06

Replace By

GB/T 21651-2018

Latest

GB/T 21651-2018

Scope

This standard specifies the requirements, test methods, inspection rules and signs, packaging, transportation and storage of recycled zinc alloy ingots. This standard applies to recycled zinc ingots produced by smelting and processing zinc-containing waste as raw materials, and is mainly used in foundry and die-casting industries.

GB/T 21651-2008 Referenced Document

• GB/T 1250 Rules for expression and judgement of limiting values
• GB/T 12689.1 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*， 2011-01-14 Update
• GB/T 12689.10 The methods for chemical analysis of zinc and zinc alloys-The determination of tin content-The phenylfluorone-cetyltrimethyla-mmonium bromide spectrophotometric method
• GB/T 12689.11 The methods for chemical analysis of zinc and zinc alloys-The determination of lanthanum and cerium contents-The tri-bromide arsenazo spectrophotometric method
• GB/T 12689.12 The methods for chemical analysis of zinc and zinc alloys-The determination of lead,cadmium,iron,copper,tin,aluminium,arsenic,stibium,magnesium lanthanum and cerium contents-The inductively coupled plasma-optical emission spectrometric method
• GB/T 12689.13 Zinc and zinc alloys--Determination of aluminium content--Electrothermal atomic absorption spectrometric method
• GB/T 12689.14 Zinc and zinc alloys--Determination of aluminium content--Chromazurol S spectrophotometric method
• GB/T 12689.2 The methods for chemical analysis of zinc and zinc alloys-The determination of arsenic content-The atomic fluorescence spectrometer method
• GB/T 12689.3 The methods for chemical analysis of zinc and zinc alloys-The determination of cadmium content-The flame atomic absorption spectrometric method
• GB/T 12689.4 The methods for chemical analysis of zinc and zinc alloys-The determination of copper content-The lead diethyldithio-carbamate spectrophotometric method and the flame atomic absorption spectrometric method and the electrolytic method
• GB/T 12689.5 The methods for chemical analysis of zinc and zinc alloys-The determination of iron content-The sultosalicylic acid spectrometric method and the flame atomic absorption spectrometric method
• GB/T 12689.6 The methods for chemical analysis of zinc and zinc alloys-The determination of lead content-The oscillopolarographic method
• GB/T 12689.7 Methods for chemical analysis of zinc and zinc alloys—Part 7:Determination of magnesium content—Flame atomic absorption spectrometric method*， 2011-01-14 Update
• GB/T 12689.8 The methods for chemical analysis of zinc and zinc alloys-The determination of silicon content-The molybdenum blue spectrophotometric method
• GB/T 12689.9 The methods for chemical analysis of zinc and zinc alloys-The determination of antimony content-The atomic fluorescence spectrometer and the flame atomic absorption spectrometric method
• GB/T 8170 Rules of rounding off for numerical values & expression and judgement of limiting values*， 2008-07-16 Update

GB/T 21651-2008 history

• 2018 GB/T 21651-2018 Regenerated zinc and zinc alloy ingots
• 2008 GB/T 21651-2008 Secondarily zinc alloy ingots