Sample Collection

Methods:

• ASTM D2234 – Standard Practice for Collection of a Gross Sample of Coal

• ASTM D6609 – Standard Guide for Part-Stream Sampling of Coal

• ASTM D6883 – Standard Practice for Manual Sampling of Stationary Coal from Railroad Cars, Barges, Trucks, or Stockpiles Part stream

• ASTM D7430 – Standard Practice for Mechanical Sampling of Coal

Total Moisture

Methods:

• ASTM D3302 – Standard Test Method for Total Moisture in Coal

• ASTM D2961 – Standard Practice for Single-Stage Total Moisture Less than 15% in Coal Reduced to 2.3mm [No. 8 Sieve] Topsize

Equipment:

• Preiser Air Drying Oven

• Despatch High-Performance Oven

Fixed Carbon

• (By calculation only)

Size Consist (wet and dry)

Method:

• ASTM D4749 – Standard Test Method for Performing the Sieve Analysis of Coal and Designating Coal Size

Equipment:

• Gilson TS-1 Sieve Shaker

• W.S. Tyler Ro-Tap RX-29

• Endecott Titan 450

Sample Preparation

Method:

• ASTM D2013 – Standard Practice for Preparing Coal Samples for Analysis

Equipment:

• Holmes Crusher 401XL

• Holmes Pulverizer 502XL

Ash Fusion - Reducing and Oxidizing

Methods:

• ASTM D1857 – Standard Test Method for Fusibility of Coal and Coke Ash

Equipment:

• Preiser Ash Fusion System 2014

Hardgrove Grindability Index

Method:

• ASTM D409 – Standard Test Method for Grindability of Coal by the Hardgrove- Machine Method

Equipment:

• Preiser Hardgrove Grindability Tester

Residual Moisture

Methods:

• ASTM D3173 – Test Method for Moisture in the Analysis Sample of Coal and Coke

• ASTM D7582 – Test Methods for Proximate Analysis of Coal and Coke by Macro Thermogravimetric Analysis

Equipment:

• Preiser Model 100 Moisture Oven

• Eltra TGA Thermostep

Total Sulfur

Method:

• ASTM D4239 – Standard Test Method for Sulfur in the Analysis Sample of Coal and Coke Using High-Temperature Tube Furnace Combustion

Equipment:

• Eltra CS580-A

Ash

Methods:

• ASTM D3174 – Test Method for Ash in the Analysis Sample of Coal and Coke from Coal

• ASTM D7582 – Test Methods for Proximate Analysis of Coal and Coke by Macro Thermogravimetric Analysis

Equipment

• Thermolyne Muffle Furnace

• Vulcan 3-Series Muffle Furnace

• Eltra TGA Thermostep

Analytical Services

• Proximate Analysis by ASTM D3172:

Volatile Matter

Methods:

• ASTM D3175 – Test Method for Volatile Matter in the Analysis Sample of Coal and Coke

• ASTM D7582 – Test Methods for Proximate Analysis of Coal and Coke by Macro Thermogravimetric Analysis

Equipment:

• Thermolyne Muffle Furnace

• Eltra TGA Thermostep

Gross Calorific Value

Method:

• ASTM D5865 – Standard Test Method for Gross Calorific Value of Coal and Coke

Equipment:

• Parr Model 6420 Automatic Isoperibol Calorimeter