|
标准编号 |
标准名称 |
发布部门 |
发布日期 |
状态 |
|
ISO 6629:1981 |
Chromium ores and concentrates - Methods of chemical analysis - General instructions |
Internatio.. |
1981-04-01 |
现行 |
|
ISO 6127:1981 |
Chromium ores - Determination of phosphorus content - Reduced molybdophosphate photometric method |
Internatio.. |
1981-03-01 |
现行 |
|
NFA 21 106:1979 |
Chemical Analysis Of Chromium Ores - Determination Of Lead - Atomic Absorption Spectrometric Method After Separation On Ion-Exchange Resin |
Associatio.. |
1979-12-01 |
废止 |
|
GOST 15848-6:1970 |
Chromium Ores And Concentrates - Methods For Determination Of Sulphur |
Interstand.. |
1971-01-01 |
现行 |
|
NFA 01 001:1960 |
Sampling Of Manganese Or Chromium Ores |
Associatio.. |
1960-01-01 |
废止 |
|
GB/T 24230-2009 |
Chromium ores and concentrates ? Determination of chromium content ? Titrimetric method |
Standardiz.. |
1900-01-01 |
现行 |
|
GB/T 24224-2009 |
Chromium ores ? Determination of sulfur content ? Combustion-neutralization titration method,combustion-potassium iodate titration method and combustion-infrared absorption method |
Standardiz.. |
1900-01-01 |
现行 |
|
GB/T 24243-2009 |
Chromium ores ? Increment sampling |
Standardiz.. |
1900-01-01 |
现行 |
|
GB/T 24225-2009 |
Chromium ores ? Determination of total iron content ? Titrimetric method after reduction |
Standardiz.. |
1900-01-01 |
现行 |
|
GB/T 24227-2009 |
Chromium ores and concentrates ? Determination of silicon content ? Spectrophotometric method and gravimetric method |
Standardiz.. |
1900-01-01 |
现行 |
|
GB/T 24223-2009 |
Chromium ores ? Determination of phosphorus content ? Reduced molybdophosphate photometric method |
Standardiz.. |
1900-01-01 |
现行 |
|
GB/T 24229-2009 |
Chromium ores and concentrates ? Determination of aluminium content ? Complexometric method |
Standardiz.. |
1900-01-01 |
现行 |
|
JIS M 8108:1992 |
Chromium, manganese and ferruginous manganese ores - Sampling and determination of moisture content and size distribution |
Japanese S.. |
1900-01-01 |
被替代 |
|
GB/T 24220-2009 |
Chromium ores ? Determination of hygroscopic moisture content in analytical samples ? Gravimetric method |
Standardiz.. |
1900-01-01 |
现行 |
|
GB/T 24221-2009 |
Chromium ores ? Determination of calcium and magnesium contents ? EDTA titrimetric method |
Standardiz.. |
1900-01-01 |
现行 |
|
GB/T 24228-2009 |
Chromium ores and concentrates ? Methods of chemical analysis ? General instruction |
Standardiz.. |
1900-01-01 |
现行 |
|
GB/T 29517-2013 |
Method for manual sample preparation of chrome ores in bulk |
Standardiz.. |
1900-01-01 |
现行 |
|
GB/T 24231-2009 |
Chrome ores ? Determination of magnesium,aluminum,silicon,calcium,titanium,vanadium,chrome,manganese,iron and nickel content ? Wavelength dispersive X-ray fluorescence spectrometric method |
Standardiz.. |
1900-01-01 |
现行 |
|
BIS IS 10819:1999 (R2017) |
Chromite For Refractory Industry - Specification |
Bureau of .. |
1900-01-01 |
现行 |
|
GB/T 24193-2009 |
Chromium ores and concentrates ? Determination of aluminium,iron,magnesium and silicon content ? Inductively coupled plasma atomic emission spectrometry |
Standardiz.. |
1900-01-01 |
现行 |
