GB/T 3257.9-1999
Methods for chemical analysis of bauxite--Determination of potassium oxide and sodium oxide content--Flame atomic absorption spectrophotometric method (English Version)

Standard No.
GB/T 3257.9-1999
Language
Chinese, Available in English version
Release Date
1999
Published By
General Administration of Quality Supervision, Inspection and Quarantine of the People‘s Republic of China
Status
 2007-09
Latest
GB/T 3257.9-1999
Replace By
YS/T 575.9-2006
Scope
This standard specifies the determination method of potassium oxide and sodium oxide content in bauxite ore. This standard is applicable to the determination of potassium oxide and sodium oxide content in bauxite ore, and the determination range is 0.05% to 3.00%.

GB/T 3257.9-1999 history

  • 1999 GB/T 3257.9-1999 Methods for chemical analysis of bauxite--Determination of potassium oxide and sodium oxide content--Flame atomic absorption spectrophotometric method

GB/T 3257.9-1999 Methods for chemical analysis of bauxite--Determination of potassium oxide and sodium oxide content--Flame atomic absorption spectrophotometric method was changed to YS/T 575.9-2006 Methods of chemical analysis of bauxite ore - Determination of potassium oxide and sodium oxide by flame atomic absorption spectrometry.

Methods for chemical analysis of bauxite--Determination of potassium oxide and sodium oxide content--Flame atomic absorption spectrophotometric method

GB/T 3257.9-1999 -All Parts

GB/T 3257.1-1999 Methods for chemical analysis of bauxite--Determination of aluminium oxide content-EDTA titrimetric method GB/T 3257.10-1999 Methods for chemical analysis of bauxite--Determination of manganese oxide content--Flame atomic absorption spectrophotometric method GB/T 3257.11-1999 Methods for chemical analysis of bauxite--Determination of chromium oxide content--Flame atomic absorption spectrophotometric method GB/T 3257.12-1999 Methods for chemical analysis of bauxite--Determination of vanadium pentoxide content--N-benzoyl-N-phenythyroxylamine photometric method GB/T 3257.13-1999 Methods for chemical analysis of bauxite--Determination of zinc content--Flame atomic absorption spectrophotometric method GB/T 3257.15-1999 Methods for chemical analysis of bauxite--Determination the total content of rare earth oxide--Tribromo-arsenazo photometric method GB/T 3257.16-1999 Methods for chemical analysis of bauxite--Determination of gallium oxide concent--Rhodamine B-extraction photometric method GB/T 3257.17-1999 Methods for chemical analysis of bauxite--Determination of phosphorus pentoxide content--Molybdenum blue spectrophotometric method GB/T 3257.18-1999 Methods for chemical analysis of bauxite--Determination of sulfur content--Direct combustion-iodometric method GB/T 3257.2-1999 Methods for chemical analysis of bauxite--Determination of silicon dioxide content--Gravimetric-molybdenum blue photometric method GB/T 3257.20-1999 Methods for chemical analysis of bauxite--Determination of total carbon content--Non-aqueous titrametric method after combustion GB/T 3257.21-1999 Methods for chemical analysis of bauxite--Determination of the loss on ignition--Gravimetric method GB/T 3257.22-1999 Methods for chemical analysis of bauxite--Preparation of pre-dried test samples GB/T 3257.23-1999 Methods for chemical analysis of bauxite--Determination of organic carbon content--Titrimetric method GB/T 3257.24-1999 Methods for chemical analysis of bauxite--Determination of hydroscopic moisture in analytical samples--Gravimetric method GB/T 3257.3-1999 Methods for chemical analysis of bauxite--Determination of silicon dioxide content--Molybdenum blue photometric method GB/T 3257.4-1999 Methods for chemical analysis of bauxite--Determination of iron oxide content--Dichromate titrimetric method GB/T 3257.5-1999 Methods for chemical analysis of bauxite--Determination of iron oxide content--Orthophenanthroline photometric method GB/T 3257.6-1999 Methods for chemical analysis of bauxite--Determination of titanium dioxide content--Diantipyrylmethane photometric method GB/T 3257.7-1999 Methods for chemical analysis of bauxite--Determination of calcium oxide content--Flame atomic absorption spectrophotometric method GB/T 3257.8-1999 Methods for chemical analysis of bauxite--Determination of magnesium oxide content--Flame atomic absorption spectrophotometric method GB/T 3257.9-1999 Methods for chemical analysis of bauxite--Determination of potassium oxide and sodium oxide content--Flame atomic absorption spectrophotometric method


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