1. Standard method for ash in the analysis sample of coal and coke from coal;American Society for Testing and Materials (ASTM) D3174,2004
2. Standard method for volatile matter in the analysis sample of coal and coke;American Society for Testing and Materials (ASTM) D3175,2004
3. Standard method for total moisture in coal;American Society for Testing and Materials (ASTM) D3302,2004
4. Standard test methods for instrumental determination of carbon, hydrogen and nitrogen in laboratory samples of coal and coke;American Society for Testing and Materials (ASTM) D5373,2004
5. Standard test method for gross calorific value of coal and coke;American Society for Testing and Materials (ASTM) D5865,2004