GB/T 15057.7-1994
Limestone for chemical industry- Determination of aluminium oxide content- Chromazurol S spectrophotometric method (English Version)
- Standard No.
- GB/T 15057.7-1994
- Language
- Chinese, Available in English version
- Release Date
- 1994
- Published By
- General Administration of Quality Supervision, Inspection and Quarantine of the People‘s Republic of China
- Latest
- GB/T 15057.7-1994
- Scope
- This standard specifies the chrome azure s spectrophotometric method for the determination of alumina content. This standard is applicable to the determination of alumina content in limestone products for chemical industry, and the determination range is 0.01% to 1%.
GB/T 15057.7-1994 history
- 1994 GB/T 15057.7-1994 Limestone for chemical industry- Determination of aluminium oxide content- Chromazurol S spectrophotometric method
GB/T 15057.7-1994 -All Parts
GB/T 15057.1-1994 Limestone for chemical industry- Methods of sampling and preparing
GB/T 15057.10-1994 Limestone for chemical industry- Determination of content of loss on ignition- Gravimetric method
GB/T 15057.11-1994 Limestone for chemical industry- Determination of size
GB/T 15057.2-1994 Limestone for chemical industry- Determination of calcium and magnesium oxides content
GB/T 15057.3-1994 Limestone for chemical industry- Determination of insoluble matter content of hydrochloric acid- Gravimetric method
GB/T 15057.4-1994 Limestone for chemical industry- Determination of iron and aluminium oxides content- Gravimetric method
GB/T 15057.5-1994 Limestone for chemical industry- Determination of silicon dioxide content- Molybdenum blue spectrophotometric method
GB/T 15057.6-1994 Limestone for chemical industry- Determination of iron content- Phenanthroline spectrophotometric method
GB/T 15057.7-1994 Limestone for chemical industry- Determination of aluminium oxide content- Chromazurol S spectrophotometric method
GB/T 15057.8-1994 Limestone for chemical industry- Determination of sulfur content- Gravimetric and combustion-iodate titrimetric methods
GB/T 15057.9-1994 Limestone for chemical industry- Determination of phosphorus content- Molybdenum blue spectrophotometric method