Standards

YB/T 190.11-2001 Methods for chemical analysis of continuous casting mold powder—The sodium(potassium)periodate photometric method and the flame atomic absorption spectrometric method for the determination of manganese oxide content

Publish Date: 2001-07-09

YB/T 190.1-2001 Methods for chemical analysis of continuous casting mold powder—The perchloric acid dehydration gravimetric method for the determination of silicon dioxide content

This standard specifies the method outline, reagents, samples, operating procedures, result calculation, and allowable deviations for determining the silica content in high-chloric acid dehydration by weight method.
This standard is applicable to the determination of silica content in continuous casting protective slag. The measurement range is 2000% to 5000% (by mass fraction).

Publish Date: 2001-07-09

YB/T 190.2-2001 Methods for chemical analysis of continuous casting mold powder—EDTA titrimetric method for determination of aluminium oxide content

Publish Date: 2001-07-09

YB/T 190.3-2001 Methods for chemical analysis of continuous casting mold powder—EGTA titrimetric method for the determination of calcium oxide content

Publish Date: 2001-07-09

YB/T 190.4-2001 Methods for chemical analysis of continuous casting mold powder—CyDTA titrimetric method for the determination of magnesiumoxide content

This standard specifies the method outline, reagents, samples, analysis steps, result calculation, and allowable deviations for determining the magnesium oxide content by the CyDTA titration method.
This standard is applicable to the determination of magnesium oxide in continuous casting protective slag. The measurement range is 1.00% to 15.00% (by mass fraction).

Publish Date: 2001-07-09

YB/T 190.5-2001 Methods for chemical analysis of continuous casting mold powder—The flame atomic absorption spectrometric method for the determination of potassium oxide and sodium oxide content

This standard specifies the method outline, reagents, instruments, analysis steps, calculation of analysis results, and allowable deviations for determining the content of potassium oxide and sodium oxide using flame atomic absorption spectrometry.
This standard is applicable to the determination of the content of potassium oxide and sodium oxide in continuous casting protective slag, with a measurement range of 0.04% to 4.00% (mass fraction) for potassium oxide and 0.02% to 15.00% (mass fraction) for sodium oxide.

Publish Date: 2001-07-09

YB/T 190.6-2001 Methods for chemical analysis of continuous casting mold powder—The gas-volumetric method after combustion and the infrared absorption method for the determination of dissociation carbon content

This standard specifies the method outline, reagents and materials, instruments and equipment, samples, analysis steps, calculation of analysis results, and allowable deviations for determining the free carbon content in continuous casting protective slag by combustion gas capacity method and infrared absorption method.
This standard is applicable to the determination of free carbon content in continuous casting protective slag. The combustion gas capacity method has a measurement range of 0.50% to 10.00% (mass fraction); the infrared absorption method has a measurement range of 0.50% to 30.00% (mass fraction).

Publish Date: 2001-07-09

YB/T 190.7-2001 Methods for chemical analysis of continuous casting mold powder—The gas-volumetric method after combustion and the infrared absorption method for the determination of carbon content

This standard specifies the method outline, reagents, instruments and equipment, samples, analysis steps, calculation of analysis results, and allowable deviations for determining the carbon content in continuous casting protective slag by combustion gas volume method and infrared absorption method.
This standard is applicable to the determination of carbon content in continuous casting protective slag. The combustion gas volume method has a measurement range of 0.500% to 10.00% (mass fraction); the infrared absorption method has a measurement range of 0.500% to 30.00% (mass fraction).

Publish Date: 2001-07-09

YB/T 190.8-2001 Methods for chemical analysis of continuous casting mold powder—The o-phenanthroline spctrophotometric and flame atomic absorption spectrometric method for the determination of iron content

This standard specifies the method outlines, reagents, instruments, samples, analysis steps, calculation of analysis results, and allowable deviations for determining the iron content using the o-phenanthroline spectrophotometry and flame atomic absorption spectrometry methods.
This standard is applicable to the determination of iron content in continuous casting mould fluxes. Part I: o-phenanthroline spectrophotometry, determination range: 0.10% to 5.00% (mass fraction). Part II: flame atomic absorption spectrometry, determination range: 0.10% to 5.00% (mass fraction).

Publish Date: 2001-07-09

YB/T 190.9-2001 Methods for chemical analysis of continuous casting mold powder—The flame atomic absorption spectrometric method for the determination of lithium oxide content

This standard specifies the method outline, reagents, instruments, samples, analysis steps, result calculation, and allowable deviations for determining the lithium oxide content by flame atomic absorption spectrometry.
This standard is applicable to the determination of lithium oxide content in continuous casting mould flux. The measurement range is 0.05% to 5.00% (mass fraction).

Publish Date: 2001-07-09

YB/T 2804-2001 Carbon block for blast furnaces

Publish Date: 2001-07-09

YB/T 4034-2001 Method for dimensions and aspect for the carbon block of blast furnaces

Publish Date: 2001-07-09