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 Titanium Base Pure Titanium Pure Disc   Al B C Co Cr Cu Fe H Mn Mo N Nb Ni O Si Sn V W Zr Others/Set Only Size Type Alloy  182-174A % 0.013   0.009   (<0.01) (<0.01) 0.15 0.0057   (<0.01) 0.0089     0.3 (<0.01) (<0.01)         0.4g (25) CRM  Gases   N O Others/Set Only Size Type Alloy  191-024B ppm 117 608   0.2g (25) CRM   191-024C ppm 117 608   Ø40x20mm CRM    Al B C Co Cr Cu Fe H Mn Mo N Nb Ni O Si Sn V W Zr Others/Set Only Size Type Alloy  191-090A % (0.074) 0.00282   0.0501 0.0533 0.0513 0.0563   0.0314 0.0488   (0.0492) 0.0667     (0.071) (0.057) (0.05) (0.0436)   0.2g (100) CRM  C S N O H Only   H Others/Set Only Size Type Alloy  191-318 ppm 12.2   0.1g (100) RM  Gases   H N O Others/Set Only Size Type Alloy  267-637 ppm 25 44 1024   0.25g (100) RM   267-642 ppm 52 122 1515   0.25g (100) RM   267-648 ppm 107 85 1700   0.25g (100) RM    H N O Others/Set Only Size Type Alloy  267-649 ppm 200 125 1500   0.25g (100) RM  Gases   H N O Others/Set Only Size Type Alloy  267-650 ppm 62 325 1870   0.1g (100) RM   267-651 ppm 29 70 1800   3x3x1.5mm CRM  C S N O H Only   H Others/Set Only Size Type Alloy  331-352C ppm 49   Ø38x12mm CRM Wrought R50400   Al B C Co Cr Cu Fe H Mn Mo N Nb Ni O Si Sn V W Zr Others/Set Only Size Type Alloy  361-2A % 0.005   (0.007)   0.018 (0.001) 0.157   0.003 0.002 (0.0044)   0.021 0.12 0.002 0.006 <0.002 <0.002 <0.003   Ø38x12mm CRM Wrought R50400