Metal - Discs Iron Base Pure Iron Binary Steel Cast Iron Aluminium Base Alumina Pure Aluminium Aluminium Alloy Cobalt Base Cobalt Alloy Copper Base Pure Copper Copper Alloy Magnesium Base Pure Magnesium Magnesium Alloy Magnesium Nickel Base Pure Nickel Nickel Alloy Lead Base Pure Lead Lead Alloy Tin Base Pure Tin Tin Alloy Titanium Base Pure Titanium Titanium Alloy C, S, N, O, H only Zinc Base Pure Zinc Zinc Alloy Gold Base Gold Alloy Pure Gold Silver Base Pure Silver Silver Alloy Cadmium Base Pure Cadmium Molybdenum Base Pure Molybdenum Zirconium Base Pure Zirconium Zirconium Alloy Metal - Chips Iron Base Binary Pure Iron Cast Iron Steel Aluminium Base Alumina Pure Aluminium Aluminium Alloy Copper Base Pure Copper Copper Alloy Lead Base Lead Alloy Pure Lead Cobalt Base Cobalt Alloy Magnesium Base Pure Magnesium Magnesium Alloy Nickel Base Pure Nickel Nickel Alloy Silver Base Pure Silver Silver Alloy Tin Base Pure Tin Tin Alloy Titanium Base Pure Titanium Titanium Alloy C, S, N, O, H only Zinc Base Pure Zinc Zinc Alloy Chromium Base Pure Chromium Molybdenum Base Pure Molybdenum Zirconium Base Pure Zirconium Zirconium Alloy Ferro-Alloys Hard Metals Carbide Nitride Ferro Alloys Ca RE Mg RE B Mn CaSi Mo Cr MgSi Nb Ti V W Zr P Si Si Ca SiCr SiMn Steel Geological Mineral/Rock/Ore Iron/Steel Rock Industrial Mineral Ore Rock/Siliceous Minerals Steel Soil/Sediment Soil Sediment Si Refractory Refractory/Ceramic Refractory Burnt Refractory Brick Clay Alumina Silica Ceramic Others Glass Industrial By-Products Industrial Process/Byproducts Paint Aluminium Catalyst Cement Copper Flux Iron/Steel Titanium Titanium Dioxide Polymeric Material Various Oil & Coal Coal/Coke/Pitch Other Fuel Carbon Coal Coke Pitch Sediment Mineral Oil Diesel Oil Fuel Oil Gas Oil Gasoline Jet Fuel Kerosene Kerosene/Diesel Kerosine/Diesel Paraffin Oil Reference Fuel Residual Fuel Oil Residual Oil Crude Oil Lube Oil Residual Oil Extreme Pressure Oil Naphtha V.T.B. Food & Agriculture Agriculture/Food Marine Agriculture Food Environment & Health Environment/Health Environment Ash/Dust Atmospheric Particulates Health Paint Water Physical Testing Physical Testing Film Thickness Biological Fluids Biological Fluid Trace Elements Pure Chemicals High Purity Chemicals Elemental Analysis Organic Stochiometry Stochiometry

Solids and Matrix Based Reference Materials Silver Base Pure Silver Pure Disc   Ag As Au Bi Cd Cr Cu Fe Ir Mn Ni Pb Pd Pt Rh Sb Se Sn Te Zn Others/Set Only Size Type Alloy  185-SF1B ppm   37.5 25.9 49     784 159     49 74.1 22 21.6   46 33   36.2 80.2   Ø40x10mm CRM   185-SF2B ppm   5.1 2.6 5     23 0.5     3.1 5.5 2.5 2.2   9.7 3.9   6.5 5.9   Ø40x10mm RM   185-SG2 ppm   9.6   14.5     15 2.7     14.8 15.7       14.6 9.6   10 20.2   Ø40x10mm RM   185-SG3 ppm   20.6   25.5     162       22.2 30.8       26.4 18.9   20.5 35.8   Ø40x10mm RM   185-SG5 ppm             85.4 15       2         1     2.7   0.2g (250) RM  Silver Base Pure Silver Trace Elements Ball   Ag As Au Bi Cd Cr Cu Fe Ir Mn Ni Pb Pd Pt Rh Sb Se Sn Te Zn Others/Set Only Size Type Alloy  092-AGG1 ppm     1 1     1 1     1 1 1 1 1 1   1 1 1   0.2g (250) RM   092-AGG2 ppm     2 2     2 2     2 2 2 2 2 2   2 2 2   0.2g (250) RM   092-AGG3 ppm     3.5 3     4 4     3 4.5 3.1 3 12.9 3.1   3.3 3.5 4   0.2g (250) RM   092-AGG4 ppm     6.4 6.2     7.4 8     4.5 6.1 5.7 5.9 5.3 5.5   5.9 7.2 7.8   0.2g (250) RM   092-AGG5 ppm     11 11     14 12     6 11 11 12 7.3 9.6   8.7 13 11   0.2g (250) RM   092-AGG6 ppm     23 23     30 25     8.9 24 25 24 16 16   13 25 15   Ø6x100mm CRM  Silver Base Pure Silver Pure Rod Gases   Ag O Others/Set Only Size Type Alloy  185-AG10/1 % 99.9 0.00115   Ø6x100mm CRM