GB 475- 1996 sampling method for commercial coal

GB 48 1- 1993 methods for producing coal samples.

GB 482- 1995 coal seam sampling method

GB 38 12- 1983 sampling and shrinking method of montan wax.

GB 4632- 1997 determination method of maximum internal moisture in coal

GB 575 1- 1986 coal classification in China.

Gb14181-1997 technical conditions for special anthracite to determine caking index of bituminous coal.

GB 20426-2006 Emission Standard of Pollutants in Coal Industry

GBT 189- 1997 coal particle size classification

GBT 211-1996 Method for Determination of Total Moisture in Coal

Industrial analysis method of GBT 2 12-200 1 coal.

GBT 2 13-2003 Determination of calorific value of coal

Determination method of total sulfur in GBT 2 14- 1996 coal

GBT 2 15-2003 Determination method of various forms of sulfur in coal

GBT 2 16-2003 Determination Method of Phosphorus in Coal

Determination of true relative density of GBT 2 17- 1996 coal

Determination method of carbonate carbon dioxide content in GBT 2 18- 1996 coal

GBT 2 19- 1996 Determination method of coal ash fusibility

GBT 220-200 1 Test method for chemical reactivity of coal to carbon dioxide

GBT 397- 1998 Technical Requirements for Metallurgical Coking Coal

Elemental analysis method of GBT 476-200 1 coal

GBT 477- 1998 coal screening test method

GBT 478-200 1 Coal Float and Sink Test Method

GBT 479-2000 Method for Determining the Colloidal Layer Index of Bituminous Coal

Test method for low temperature dry distillation of GBT 480-2000 coal by aluminum distillation tank.

General provisions of GBT 483- 1998 coal analysis and test methods

Test method for low temperature dry distillation of GBT1341-2001coal

Determination method of GBT 1572-200 1 coal slagging

Determination method of thermal stability of GBT 1573-200 1 coal

GBT 1574- 1995 Coal Ash Composition Analysis Method

Determination method of benzene extraction rate of GBT 1575-200 1 lignite

GBT 2559-2005 montan wax determination method

GBT 2560- 198 1 montan wax dropping point determination method.

Determination of acetone soluble substances (resin substances) in montan wax (GBT 2561-1981)

Determination of Benzene Insolubles in GBT 2562- 198 1 montan wax

GBT 2563- 198 1 montan wax Ash Determination Method

Determination of acid value and saponification value of GBT 2564- 198 1 montan wax

GBT 2565- 1998 Determination method of grindability index of coal (Hardgrove method)

GBT 2566- 1995 Determination method of light transmittance of low rank coal

GBT 3058- 1996 Determination Method of Arsenic in Coal

GBT 3558- 1996 Method for Determination of Chlorine in Coal

GBT 37 15- 1996 terms related to coal quality and coal analysis.

GBT 38 13- 1983 montan wax density determination method

GBT 38 14- 1983 montan wax viscosity determination method.

GBT 38 15- 1983 method for measuring heating loss in montan wax.

GBT 38 16- 1983 determination method of asphalt content in montan wax.

GBT 4063-200 1 Technical Specification for Coal for Steam Locomotive

GBT 4633- 1997 Method for Determination of Fluorine in Coal

GBT 4634- 1996 Determination of potassium, sodium, iron, calcium, magnesium and manganese in coal ash (atomic absorption spectrophotometry)

GBT 4757-200 1 Laboratory Unit Flotation Test Method for Coal (Sludge)

Test method for caking index of bituminous coal GBT 5447- 1997

GBT 5448- 1997 Determination of expansion number of bituminous coal crucible-electric heating method

GBT 5449- 1997 Method for Determining Logarithmic Index of Bituminous Coal

Auer dilatometer test of GBT 5450- 1997 bituminous coal.

GBT 6948- 1998 Microscopic determination method of vitrinite reflectance of coal

GBT 6949- 1998 Method for Determination of Apparent Relative Density of Coal

GBT 7 186- 1998 technical terms of coal preparation

GBT 7560-200 1 Determination method of minerals in coal

GBT 756 1- 1998 Technical Specification for Coal for Synthetic Ammonia

GBT 7562- 1998 Technical Requirements for Coal Used in Pulverized Coal Boiler for Power Generation

Technical requirements for coal used in GBT 7563-2000 cement rotary kiln

Determination of Germanium in GBT 8207- 1987 Coal

Determination of Gallium in GBT 8208- 1987 Coal

GBT 8899- 1998 Micro-grouping and mineral determination method of coal

Technical requirements of GBT 9 143-200 1 coal for atmospheric fixed bed gas producer

Determination of Humic Acid Yield in GBT11957-2001Coal

GBT 12937- 1995 coal and rock terminology

GBT 15224. 1-2004 Coal Classification Part 1 Ash

GBT 15224.2-2004 Classification of coal quality Part 2 Sulfur content

15224.3-2004 GBT coal quality classification Part 3 calorific value

GBT 15334- 1994 Method for determination of moisture in coal-Microwave drying method.

GBT 15458- 1995 Coal Wear Index Determination Method (2006)

GBT 15459- 1995 Determination Method of Compressive Strength of Coal (2006)

GBT 15460-2003 Determination of carbon and hydrogen in coal-Electrogravimetric method

Classification of maceral components of GBT 15588-200 1 bituminous coal

GBT 15589- 1995 Classification of Micro Coal and Rock Types

GBT 15590- 1995 determination method of microscopic coal and rock types

GBT15591-1995 Discrimination method of reflectance distribution map of commercial coal.

GBT 157 15-2005 Process Performance Evaluation Method of Coal Gravity Separation Equipment

GBT 157 16-2005 Process Performance Evaluation Method of Coal Screening Equipment

GBT16415-1996 Determination of Selenium in Coal Hydride Generation Atomic Absorption Spectrometry

Determination of sodium and potassium dissolved in dilute hydrochloric acid in lignite by GBT16416-1996 extraction method.

Gbt16417-1996 coal washability evaluation method

Determination of Cr, Cd and Pb in GBT 16658- 1996 Coal

GBT 16659- 1996 Determination Method of Mercury in Coal

GBT 16660- 1996 Graphical symbols of coal preparation plant

GBT 16772- 1997 China Coal Coding System

GBT 16773- 1997 Preparation method of coal and rock analysis samples

GBT 17607- 1998 China coal seam coal classification.

GBT 17608-2006 Classification of Coal Products

GBT 17609- 1998 technical requirements of coal for casting coke.

Gbt17610-1998 technical requirements for coal used in two-stage water gas boilers.

GBT 18023-2000 Macroscopic Coal and Rock Classification of Bituminous Coal

GBT18510-2001Confirmation Standard of Alternative Methods for Coal and Coke Tests

Gbt18511-2001determination method of coal ignition temperature.

Gbt18512-2001technical specifications of anthracite for blast furnace injection.

GBT 18666-2002 sampling and acceptance method of commercial coal quality

GBT 18702-2002 Determination method of coal angle of repose

GBT18711-2002 Test Method of Magnetite Powder for Coal Preparation

GBT 187 12-2002 performance test method of coal preparation flocculant

GBT 18855-2002 technical conditions of coal water slurry

GBT 18856.6438+0-2002 quality inspection method of coal water slurry-sampling method of coal water slurry.

GBT 18856.2-2002 Quality inspection method of coal water slurry-Determination method of coal water slurry concentration

GBT 18856.3-2002 Test method of coal water slurry quality-Test method of coal water slurry screening

GBT 18856.4-2002 Test method for quality of coal water slurry-Determination method for apparent viscosity of coal water slurry

GBT 18856.5-2002 Test Method for Quality of Coal Water Slurry-Determination Method for Stability of Coal Water Slurry

GBT 18856.6-2002 Test method for quality of coal water slurry-Determination method for calorific value of coal water slurry

GBT 18856.7-2002 Quality Inspection Method of Coal Water Slurry-Industrial Analysis Method of Coal Water Slurry

GBT 18856.8-2002 Quality inspection method of coal water slurry-Determination method of total sulfur in coal water slurry

GBT 18856.9-2002 Test method for quality of coal water slurry-Determination method for density of coal water slurry

GBT 18856.6438+00-2002 Test method for quality of coal water slurry; Determination method for ash fusibility of coal water slurry.

GBT18856.6438+01-2002 Quality inspection method of coal water slurry Determination of hydrocarbons in coal water slurry

GBT 18856.6438+02-2002 Quality Inspection Method of Coal Water Slurry Determination of Nitrogen in Coal Water Slurry

GBT 18856.6438+03-2002 Quality test method of coal water slurry-Determination method of ash in coal water slurry

Gbt 18856.6438+04-2002 quality test method of coal water slurry-determination method of pH value of coal water slurry.

GBT 19092-2003 Test method for floating and sinking of pulverized coal

GBT 19093-2003 Test method for pulverized coal screening

GBT 19094-2003 Principles and regulations of flow chart of coal preparation plant

GBT 19222-2003 sampling method for coal and rock

GBT 19224-2003 Determination of Relative Oxidation Degree of Bituminous Coal

GBT 19225-2003 Determination of Copper, Cobalt, Nickel and Zinc in Coal

GBT 19226-2003 Determination of Vanadium in Coal

GBT 19227-2003 Determination of nitrogen in coal and coke-Semi-trace steam method

GBT 19494. 1-2004 Coal Mechanized Sampling Part 1: Sampling Methods

GBT 19494.2-2004 Mechanized sampling of coal Part 2: Preparation of coal samples

GBT 19494.3-2004 Mechanized sampling of coal Part 3: Precision determination and bias test

GBT 19560-2004 Test method for isothermal adsorption of coal under high pressure-volumetric method

GBT 19952-2005 Measurement Performance Evaluation Method of Coal Online Analyzer

GBT 20 104-2006 Method for Identifying Spontaneous Combustion Tendency of Coal by Chromatographic Oxygen Absorption

GBT 20475. 1-2006 Classification of harmful elements in coal