New Hardgrove Grindability Standards, 4 per Set, with Certificate, Quality Assurance Resources, HGI-RM

Quality Assurance Resources® Hardgrove Grindability Standards, 4 per Set, with Certificate, HGI-RM

Features:

• Samples of coal used to calibrate instruments designed to determine ease with which coal can be pulverized
• Certified reference material —calibration standards for Hardgrove Grindability Index Apparatus
• HGI-RM is prepared in series of steps over several days
• Hardgrove Grindability Index is calculated on four splits (or portions), two each taken from two reserved cans
• Results are averaged to give the index for entire lot
• HGI-RM come in sets of four, containing four standards of approximate HGI values 40, 60, 80, and 100
• Use as periodic standardization check to insure compliance to ASTM standard methods
• Cans of standard reference sample are shipped to customers along with Certificate of Analysis and questionnaire designed by ASTM to obtain data on quality of sample