Gb T 8146 2003 Translated English Of Chinese Standard Gbt 8146 2003 Gb T8146 2003 Gbt8146 2003

This Standard specifies the inspection methods for the colour, appearance, softening point, acid value, unsaponifiable matter, ethanol insoluble matter, and ash of rosin. This Standard is applicable to the inspection of rosin.

This Standard specifies the method abstract, reagents and materials, instrument and apparatus, test procedures, calculation of results and method precision for the determination of vanadium in coal. This Standard is applicable to lignite, bituminous coal and anthracite.

This Standard specifies the square and rectangular keys with width of b=8mm~45mm.

This Standard specifies the abstract of methods, reagents, instruments and equipment, determination procedure, result expression and precision of determination of phosphorus content in coal. This Standard is applicable to determination of phosphorus content in lignite, bituminous coal, anthracite and coking coal.

This standard specifies the requirements of the basic dimensions for the general purpose metric screw threads according to GB/T 192-2003 and GB/T 193-2003.

This standard specifies three test methods for evaluating the staining of vulcanized rubber or thermoplastic rubber in contact with organic materials: Method A - Contact stain and migration stain; Method B - Extraction stain; Method C - Penetration stain. This standard applies to the evaluation of the grade of staining of vulcanized or thermoplastic rubber in contact with organic materials.

This Part of GB/T 2546 specifies the methods of preparation of test specimens and the test methods to be used in determining the properties of polypropylene (PP) moulding and extrusion materials. Requirements for handling test material and for conditioning both the test material before moulding and the specimens before testing are given here. This Part also specifies the methods and conditions for specimen preparation and properties determination. This Part lists the properties and test methods which are suitable and necessary to characterize PP moulding and extrusion materials.

This Standard specifies the determination of total calcium, magnesium and sulphur content in compound fertilizer.