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 Gold Base Gold Alloy Trace Elements Disc AuAgCu   Ag Au Cu Others/Set Only Size Type Alloy  092-AUD1 ppm 2 98     Ø18x2mm RM   092-AUD2 ppm 2 96 2   Ø18x2mm RM   092-AUD3 %   91.5 8.5   Ø18x2mm RM   092-AUD4 ppm 8 88.5 4   Ø18x2mm RM   092-AUD5 ppm 18 75 7   Ø18x2mm RM   092-AUD6 ppm 41.7 58.3     Ø18x2mm RM   092-AUD7 ppm 20 50 30   Ø18x2mm RM   092-AUD8 ppm 10 37 53   Ø18x2mm RM   092-TA1 ppm 1.5 98 0.5   Ø18x2mm RM   092-TA10 ppm 20 58.3 21.7   Ø18x2mm RM   092-TA11 ppm 30 58.3 11.7   Ø18x2mm RM   092-TA12 ppm 20 50 30   Ø18x2mm RM   092-TA13 ppm 2 37.5 60.5   Ø18x2mm RM   092-TA14 ppm 10 37.5 52   Ø18x2mm RM   092-TA15 ppm 16 37.5 46.5   Ø18x2mm RM   092-TA2 ppm 3 96 1   Ø18x2mm RM   092-TA3 ppm 2.5 95 2.5   Ø18x2mm RM   092-TA4 ppm 4.5 93 2.5   Ø18x2mm RM   092-TA5 ppm 4 90 6   Ø18x2mm RM   092-TA6 ppm 4 83.3 12.7   Ø18x2mm RM   092-TA7 ppm 7.2 81.7 11.1   Ø18x2mm RM   092-TA8 ppm 12.5 80 7.5   Ø18x2mm RM   092-TA9 ppm 8 58.3 33.7  /Y Ø30x5mm CRM  Gold Base Gold Alloy Major Elements Disc   Ag Au Cu Ni Pd Zn Others/Set Only Size Type Alloy  185-AU1 % 66.59 33.32          /Y Ø30x5mm CRM   185-AU10 %   74.83 9.64 12.89   2.6  /Y Ø30x5mm CRM   185-AU11 %   74.95   15.05 10.01    /Y Ø30x5mm CRM   185-AU12 %   74.98   24.94      /Y Ø30x5mm CRM   185-AU13 % 2.76 91.67 5.28        /Y Ø30x5mm CRM   185-AU14 %   96.01 4.02        /Y Ø30x5mm CRM   185-AU15 %   98.61 1.41        /Y Ø30x5mm CRM   185-AU16 %   99.99          /Y Ø30x5mm CRM   185-AU2 % 44.65 33.35 21.98        /Y Ø30x5mm CRM   185-AU3 % 10.57 37.07 20.1   32.44    /Y Ø30x5mm CRM   185-AU4 % 20.01 37.06 10.53 32.43      /Y Ø30x5mm CRM   185-AU5 % 25.09 37.14 23.83 8.96   4.92  /Y Ø30x5mm CRM   185-AU6 % 12.54 49.99 12.53   24.96    /Y Ø30x5mm CRM   185-AU7 % 27.68 57.88     14.43    /Y Ø30x5mm CRM   185-AU8 % 7.48 57.96 11.6 14.57   8.21  /Y Ø30x5mm CRM   185-AU9 %   57.81 15.31 16.87   9.74  /Y 16x8x0.2mm CRM  Gold Jewelry Series Gold Base Gold Alloy AuCu Pieces   Ag Au Cu Others/Set Only Size Type Alloy  202-HC54905A % 0.517 99.48 0.508  /Y 16x8x0.2mm CRM  Gold Jewelry Series  202-HC54908A % 4.14 91.68 4.14  /Y 16x8x0.2mm CRM  Gold Jewelry Series  202-HC54911A % 14.95 74.99 10.02  /Y 16x8x0.2mm CRM  Gold Jewelry Series  202-HC54914A % 11.5 58.5 29.99  /Y 16x8x0.2mm CRM  Gold Jewelry Series  202-HC54916A % 35.01 44.02 20.91  /Y 16x8x0.2mm CRM  Gold Jewelry Series