D33 铬矿 标准查询与下载
共找到 95 条与 铬矿 相关的标准，共 7 页
Methods for chemical analysis of chromium ores----The gravimetric method for determination of moisture content
- ICS
- CCS
- D33
- 发布
- 2001-07-09
- 实施
- 2002-01-01
Methods for chemical analysis of chromium ores----The infrared absorption method for the determination of sulfur content
- ICS
- CCS
- D33
- 发布
- 2001-07-09
- 实施
- 2002-01-01
Methods for chemical analysis of chromium ores----Titrimetric method for the determination of oxidation chromium content
- ICS
- CCS
- D33
- 发布
- 2001-07-09
- 实施
- 2002-01-01
Method for the determination of iron,aluminum,silicon,magnesium and calcium in chromium ores for import and export.ICP-AES with microwave dissolution method
- ICS
- CCS
- D33
- 发布
- 1999-12-30
- 实施
- 2000-05-01
1.1 This test method covers the determination of chromium oxide (Cr 2 O 3 ) in chrome ores in the concentration range from 25 to 60%. 1.2 This standard does not purport to address all of the safety concerns, if any, associated with its use. It is the responsibility of the user of this standard to establish appropriate safety and health practices and determine the applicability of regulatory limitations prior to use.
Standard Test Method for Chromium Oxide in Chrome Ores
- ICS
- 73.060.30 (Chromium ores)
- CCS
- D33
- 发布
- 1999
- 实施
Methods for chemical analysis of chrome ores for refractories
- ICS
- 81.080
- CCS
- D33
- 发布
- 1994-04-01
- 实施
Chromium ores -- Method for determination of iron content
- ICS
- 73.060.30
- CCS
- D33
- 发布
- 1994-03-01
- 实施
Chromium ores -- Method for determination of aluminium content
- ICS
- 73.060.30
- CCS
- D33
- 发布
- 1994-03-01
- 实施
Chromium ores -- Method for determination of magnesium content
- ICS
- 73.060.30
- CCS
- D33
- 发布
- 1994-03-01
- 实施
Chromium ores -- Method of chemical analysis -- General instructions
- ICS
- 73.060.30
- CCS
- D33
- 发布
- 1993-03-01
- 实施
Chromium ores -- Determination of silicon content
- ICS
- 73.060.30
- CCS
- D33
- 发布
- 1993-03-01
- 实施
Chromium ores -- Determination of chromium content
- ICS
- 73.060.30
- CCS
- D33
- 发布
- 1993-03-01
- 实施
Method for samplling and sample preparationof chrome ores in bulk for import
- ICS
- CCS
- D33
- 发布
- 1992-12-24
- 实施
- 1993-05-01
Chromium ores -- Determination of sulfur content
- ICS
- 73.060.30
- CCS
- D33
- 发布
- 1990-09-01
- 实施
Method for determination of phosphorus in chromium ores
- ICS
- 73.060.30
- CCS
- D33
- 发布
- 1988-03-01
- 实施
The method is applicable to chromium ores with iron content of 0,5 to 32 % (m/m). Should be read in conjunction with ISO 6629. Specifies principle, reagents, apparatus, sampling and samples, procedure and expression of results. Includes a warning to the dangers involved in the use of perchloric acid and hydrofluoric acid.
Chromium ores; Determination of total iron content; Titrimetric method after reduction
- ICS
- 73.060.30
- CCS
- D33
- 发布
- 1985-11
- 实施
The molecular absorption spectrometric method (A) is applicable to products having silicon contents from 0,05 to 0,5 % (m/m), the gravimetric method (B) is applicable to products having silicon contents from 0,5 to 15 % (m/m). ISO 5997 should be read in conjunction with ISO 4297. Specifies among other things principle, reagents, apparatus, procedure, spectrometric measurement (method A only) and expression of results.
Chromium ores and concentrates; Determination of silicon content; Molecular absorption spectrometric method and gravimetric method
- ICS
- 73.060.30
- CCS
- D33
- 发布
- 1984-11
- 实施
