Petrochemical industry

SH/T 1157.2-2015

Rubber and acrylonitrile-butadiene rubber (NBR) - Determination of acrylonitrile content - Part 2: Kjeldahl method

This standard specifies two methods for determining the amount of acrylonitrile bound in acrylonitrile-butadiene rubber (NBR) by Kjeldahl method: Method A and Method B.
This standard applies to the determination of NBR raw rubber, other NBR can also be used as reference.

SH/T 1157-1997

SH/T 1141-2015

Determination of Hydrocarbon Composition of Industrial Cracked Carbon 4 Gas Chromatography

 This standard specifies the hydrocarbon composition of industrial cracked carbon four by gas chromatography.
This standard is applicable to the determination of hydrocarbon composition in industrial pyrolysis carbon four fractions with a concentration of not less than 0.01% (mass fraction). This standard also applies to the quantitative analysis of carbon tetrahydrocarbons from other sources.

SH/T 1141-1992

SH/T 1493-2015

Determination of trace carbonyl compounds in carbon tetraolefins - Spectrophotometric method

This standard specifies the determination of trace carbonyl compounds in carbon tetraolefins by spectrophotometry.
This standard applies to the determination of trace carbonyl content in 1-butene and 1,3-butadiene with a minimum detection concentration of 0.5 mg/kg (based on methyl ethyl ketone). Not applicable to the determination of isobutylene.

SH/T 1493-1992

SH/T 1782-2015

Industrial isoprene purity and determination of hydrocarbon impurity content - Gas chromatography

 This standard specifies the purity of industrial isoprene and the content of hydrocarbon impurities by gas chromatography.
This standard is applicable to the determination of the purity of industrial isoprene and the content of hydrocarbon impurities. The minimum detection concentration of impurities is 0.005% (mass fraction).

SH/T 1784-2015

Determination of trace extractants for industrial isoprene - Gas chromatography

This standard specifies the determination of trace amounts of dimethylformamide and acetonitrile in industrial isoprene (polymerization grade) by gas chromatography.
This standard is applicable to the determination of dimethylformamide in industrial isoprene (polymerization grade) of not less than 0.5 mg / kg or acetonitrile of not less than 1.0 mg / kg.

SH/T 1786-2015

Determination of the purity of isopentene for industrial use and the content of hydrocarbon impurities - Gas chromatography

This standard specifies the purity and hydrocarbon impurity content of industrial isoprene samples by gas chromatography.
This standard applies to the determination of the content of hydrocarbon components in isoprene samples, the minimum detection concentration is 0.005% (mass fraction).

SH/T 1787-2015

Industrial isopentene - Determination of oxygenates - Gas chromatography

This standard specifies the determination of the content of oxygenates in industrial isovaleres by gas chromatography.
This standard applies to the determination of isopentene samples with an impurity concentration of oxygen, such as methanol, dimethyl ether, methyl t-amyl ether and tert-amyl alcohol, not less than 0.001% (mass fraction).

SH/T 1790-2015

Determination of hydrocarbon components in cracked carbons for industrial use - Gas chromatography

This standard specifies the determination of the content of each hydrocarbon component in industrial cracked carbon five by gas chromatography.
This standard applies to the determination of the content of pyrolysis carbon five components, the minimum detection concentration is 0.01% (mass fraction).

SH/T 1793-2015

Determination of composition of cracked carbon for industrial use - Gas chromatography

This standard specifies the content of components such as carbon octacarbon, styrene, methyl styrene, dicyclopentadiene, anthracene and naphthalene in industrial cracked carbon nine by gas chromatography.
This standard is applicable to the determination of components in industrial pyrolysis carbon nine not less than 0.01% (mass fraction).

SH/T 1796-2015

Industrial triethylene glycol - Determination of purity and impurities - Gas chromatography

 This standard specifies the purity and impurity content of industrial triethylene glycol by gas chromatography.
This standard is applicable to the content of triethylene glycol not less than 80.0% (mass fraction), the impurity content of ethylene glycol and diethylene glycol is not less than 0.01% (mass fraction), and the impurity content of tetraethylene glycol is not less than 0.02%. (Quality score) Determination of the sample.

SH/T 1798-2015

Industrial triethylene glycol - Determination of purity and impurities - Gas chromatography...

This standard specifies methods for the determination of industrial 1-hexene purity and hydrocarbon impurities by gas chromatography.
This standard is applicable to a purity of not less than 97.0% (mass fraction) and a hydrocarbon impurity content of not more than 0.005% (mass fraction) such as n-hexane, 3-hexene, 2-hexene or 2-methyl-1-pentene. Determination of industrial 1-hexene.

Metallurgical industry

YB/T 4493-2015

Determination of distillation range of coking oil products

This standard specifies the principle of automatic distilling drop method for the determination of the distillation range of coking light oil, the adoption of the sample, the instrument, the test procedure, the calculation of the results, the precision, and the test report.
This standard applies to coking light oils (coking benzenes, phenols, pyridines, quinolines, etc.), viscous oils (coking oil, eucalyptus oil, wood anticorrosive oil, coking feedstock oil for carbon black, etc.) Determination of the process.

YB/T 4495-2015

Coke oven gas determination of hydrogen cyanide content

This standard specifies reagents, equipment, sampling, analysis procedures and results calculation for the determination of hydrogen cyanide in coke oven gas.
This standard is applicable to the determination of hydrogen cyanide content in coke oven gas obtained from high temperature coking. The measurement range is from 0.1 g/m3 to 2.0 g/m3.

YB/T 4496-2015

Coke oven gas - Determination of hydrogen sulfide content - Gas chromatography

This standard specifies the principles, instruments and materials, sampling, analysis procedures, calculation of results, precision and safety precautions for the determination of hydrogen sulfide in coke oven gas.
This standard applies to the determination of hydrogen sulfide content in coke oven gas.

YB/T 4503-2015

Reinforced mechanical joints - Test method for residual deformation

This standard specifies the principles, instruments and materials, sampling, analysis procedures, calculation of results, precision and safety precautions for the determination of hydrogen sulfide in coke oven gas.
This standard applies to the determination of hydrogen sulfide content in coke oven gas....

YB/T 5325-2015

Method for determining sodium content of yellow blood salt

This standard specifies the principle, reagents, instruments, sample taking and preparation, test procedure, result calculation and precision of the method for determining the sodium content of yellow blood salt.
This standard applies to the determination of sodium content of yellow blood salt prepared from the recovery of coking gas.

YB/T 5325-2006

Building materials industry

JC/T 2336-2015

Determination of silicon, potassium, sodium, calcium, magnesium and iron in carbon fiber

This standard specifies methods for determination of silicon, potassium, sodium, calcium, magnesium and iron in carbon fibers. The silicon was measured by a potassium fluorosilicate volumetric method and a silicon molybdenum blue spectrophotometric method. Determination of potassium, sodium, calcium, magnesium and iron by atomic absorption spectrophotometry and inductively coupled plasma optical emission spectroscopy.

JC/T 2342-2015

Silicon nitride material phase content analysis method

This standard specifies the terms and definitions, instruments, test procedures and quantitative analysis methods for determining the phase content of silicon nitride materials by X-ray polycrystalline diffraction.
 This standard applies to the quantitative analysis of α phase and β phase in silicon nitride.

Textile industry

FZ/T 50032-2015

Polyacrylonitrile-based carbon fiber precursor residual solvent test method

This standard specifies the test method for residual solvent of polyacrylonitrile-based carbon fiber precursors - gas chromatography (method A), colorimetric method (method B) and mercury salt titration (method C).
Method A and Method B are applicable to the determination of residual solvent of polyacrylonitrile-based carbon fiber precursors using dimethyl sulfoxide (DMSO) and dimethylacetamide (DMAC) as solvents, and method A is used for arbitration.
Method C is suitable for the determination of residual solvent of polyacrylonitrile-based carbon fiber precursors using sodium thiocyanate (NaSCN) as a solvent.