GB/T 6609.13-2004Chemical analysis methods and determination of physical performance of alumina - Part 13: Determination of calcium oxide content - Flame atomic absorption spectrometric method (English PDF)

1 Foreword

GB/T 6609.13-2004 was issued by State Administration for Market Regulation, Standardization Administration of China on 25 May 2026 and has been in force since 1 December 2026.

It is one of 41 parts of the GB/T 6609 series.

2 About this standard

Sector: National Standard (Recommended)

Issued by: State Administration for Market Regulation, Standardization Administration of China

English translation: about 8 pages (approximate)

Chinese original: about 10,143 characters

3 Related standards

Other parts of this standard:

GB/T 6609.1-2018 — Chemical analysis methods and determination of physical performance of alumina—Part 1: Determination of trace elements content—Inductively coupled plasma atomic emission spectrometry method

GB/T 6609.2-2022 — Chemical analysis methods and determination of physical performance of alumina—Part 2: Determination of loss of mass at 300 °C and 1000 °C

GB/T 6609.3-2004 — Determination of silicon dioxide content -- Molybdenum blue photometric method

GB/T 6609.4-2004 — Determination of ferric oxide content -- Orthophenanthroline photometric method

GB/T 6609.5-2004 — Chemical analysis methods and determination of physical performance of alumina--Determination of sodium oxide content

GB/T 6609.5-2026 — Chemical analysis and physical property determination methods for alumina - Part 5: Determination of sodium oxide and potassium oxide contents

GB/T 6609.6-2018 — Chemical analysis methods and determination of physical performance of alumina—Part 6: Determination of potassium oxide content

GB/T 6609.7-2004 — Chemical analysis methods and determination of physical performance of alumina--Determination of titanium dioxide content--Diantiprylmehane photometric method

GB/T 6609.7-2026 — Chemical analysis and physical property determination methods for alumina - Part 7: Determination of titanium dioxide, chromium sesquioxide, cupric oxide, fluorine, chlorine, boron trioxide, phosphorus pentoxide and sulfate - Spectrophotometry

GB/T 6609.8-2004 — Chemical analysis methods and determination of physical performance of alumina--Determination of chromium sesquioxide content--Diphenyl carbazide photometric method

GB/T 6609.9-2004 — Chemical analysis methods and determination of physical performance of alumina--Determination of cupric oxide content--2，9-Dimethyl-1，10 phenanthroline photometric method

GB/T 6609.10-2004 — Chemical analysis methods and determination of physical performance of alumina--Determination of vanadic oxide content--N-benzoyl-N-phenylhydroxylamine extraction photometric method

GB/T 6609.11-2004 — Part 11: Determination of manganese oxide and magnesium oxide contents - Flame atomic absorption spectrometric method

GB/T 6609.11-2026 — Chemical analysis and physical property determination methods for alumina - Part 11: Determination of manganese oxide and magnesium oxide - Flame atomic absorption spectrometry

GB/T 6609.12-2018 — Chemical analysis methods and determination of physical performance of alumina—Part 12: Determination of zinc oxide content—Flame atomic absorption spectrometry method

GB/T 6609.14-2004 — Chemical analysis methods and determination of physical performance of alumina--Determination of fluorine content--Lanthanum-alizarincomplexone spectrophotometric method

GB/T 6609.15-2004 — Chemical analysis methods and determination of physical performance of alumina--Determination of chlorine content--Ferric thiocyanate photometric method

GB/T 6609.16-2004 — Determination of boron trioxide content -- Curcumin spectrophotometric method

GB/T 6609.17-2004 — Determination of phosphorus pentoxide content -- Molybdenum blue spectrophotometric method

GB/T 6609.18-2004 — Chemical analysis methods and determination of physical performanceof alumina--Determination of sulfate content--N，N-dimethyl-P-phenylenediamine spectrophotometric method

GB/T 6609.19-2018 — Chemical analysis methods and determination of physical performance of alumina—Part 19: Determination of lithium oxide content—Flame atomic absorption spectrometry method

GB/T 6609.20-2004 — Chemical analysis methods and determination of physical performance of alumina--Determination of magnesia content--Flame atomic absorption spectrophotometric method

GB/T 6609.21-2004 — Chemical analysis methods and determination of physical performance of alumina--Determination of gallium trioxide content--Butyrhodamine B spectrophotometric method

GB/T 6609.22-2004 — Sampling

GB/T 6609.22-2026 — Chemical analysis and physical property determination methods for alumina — Part 22: Sampling and preparation of test samples

GB/T 6609.23-2004 — Preparation and storage of test samples

GB/T 6609.24-2004 — Part 24: Measurement of the angle of repose and the angle of flow

GB/T 6609.24-2026 — Chemical analysis and physical property determination methods for alumina - Part 24: Measurement of the angle of repose and the angle of flow

GB/T 6609.25-2023 — Part 25: Method for the determination of tapped and untapped density

GB/T 6609.26-2004 — Determination of absolute density -- Pycnometer method

GB/T 6609.27-2023 — Part 27: Particle size analysis - Sieves method

GB/T 6609.29-2004 — Determination of an absorption index

GB/T 6609.30-2022 — Chemical analysis methods and determination of physical performance of alumina—Part 30: Determination of trace elements—Wavelength dispersive X-ray fluorescence spectrometric method

GB/T 6609.31-2009 — Part 31: Determination of angle of flow

GB/T 6609.32-2009 — Part 32: Determination of α-alumina content by X-ray diffraction

GB/T 6609.33-2009 — Part 33: Determination of attrition index

GB/T 6609.34-2009 — Part 34: Method of calculating alumina content

GB/T 6609.35-2023 — Part 35: Determination of specific surface area - Nitrogen adsorption method

GB/T 6609.36-2009 — Part 36: Determination of flow time

GB/T 6609.37-2009 — Alumina Chemical analysis methods and determination of physical performance -- Part 37: Determination of particle size less than 20μm particle content

Other editions:

GB/T 6609.13-2026 (later edition)

4 Classification and status

International classification (ICS): 77.120.01

Chinese Standard Classification (CCS): H 30

Prefix GB/T: recommended standard.