Certified Reference Materials – CRM’s
Select your matrix from the up to date list below:
| Standard Type | Typical Matrixes |
| Carbon and Sulfur in Metals | Steel Pins, Rings and Chips Iron Pins, Chips and Powders Tungsten Carbide Powder |
| Hydrogen, Nitrogen, Oxygen in Metals | Steel Pins and Chips Titanium Pins Zirconium Pins Copper Pins Iron Powders |
| Ore and Limestone | Soil Powders Limestone Powders Ore Powders |
| Coal and Coke | Coal Powders Coke Powders |
| Petroleum and Fuel | Lube Oils Residual Oils Crude Oils Vacuum Oils Waste Oils Diesel Kerosene Gasoline |
| Organic Analytical Standards | Food Protein CHNOS Organic Powders Micro Analysis |