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 Lead Base Lead Alloy PbSbSn Disc Ni Bronze   Ag As Bi Cu Pb Sb Sn Te Others/Set Only Size Type Alloy  054-2047-81 % 0.27 1.14 0.29 0.039 0.039 2.82 0.17 0.062   100g CRM  Lead Base Lead Alloy PbSbSnCu Chips   As Bi Cu Pb Sb Sn Others/Set Only Size Type Alloy  202-HC41919 % 0.014 0.024 1.98 65.73 16.09 15.97   100g CRM   202-HC41920 % 0.013 0.007 2.88 67.26 15.02 5.17   100g CRM  Lead Base Lead Alloy PbSbSn Chips   Ag As Bi Cu Fe Ni Pb Sb Sn Others/Set Only Size Type Alloy  261-LGPBSN10 %   0.32   1.15 0.01     15.25 10.22   100g CRM  Lead Base Lead Alloy PbSn Chips Solder   Ag As Bi C Cd Cu Fe Ni Sb Sn Zn Others/Set Only Size Type Alloy  261-LSN30 %   0.03 0.01 0.004 (<0.01) 0.01 (<0.01)   0.14 29.3 (<0.001)   100g CRM   261-LSN60 %   0.04       0.05 (<0.02)   1.32 60.8    /Y Ø40x13mm RM  P Solder Lead Base Lead Alloy PbSnP Disc   P Sn Others/Set Only Size Type Alloy  265-TLPH1 % 0.0049 63.4  /Y Ø40x13mm RM  P Solder  265-TLPH2 % 0.0088 63.2  /Y Ø40x13mm RM  P Solder  265-TLPH3 % 0.024 63.4   200g CRM  Lead Base Lead Alloy PbSn Chips Solder   Ag As Bi C Cd Cu Fe Ni Sb Sn Zn Others/Set Only Size Type Alloy  331-1129 % 0.075 0.055 0.13     0.16   0.01 0.13 62.7     Ø31x19mm CRM  PbSn-Solder Lead Base Lead Alloy PbSbSn Disc Solder   Ag As Bi Cu Ni Sb Sn Others/Set Only Size Type Alloy  331-1131 % 0.01 0.01 0.06 0.011 0.012 0.43 39.3   150g CRM  Lead Base Lead Alloy PbSn Chips Solder   Ag As Bi C Cd Cu Fe Ni Sb Sn Zn Others/Set Only Size Type Alloy  331-127B % 0.01 0.01 0.06     0.011   0.012 0.43 39.3     150g CRM   331-53E %   0.057 0.052     0.054 <0.001 0.003 10.26 5.84     Ø40x15mm RM  Lead Base Lead Alloy Major Elements Disc   As Others/Set Only Size Type Alloy  341-PAS1 % 1.24   Ø40x15mm CRM Cast PbTe   Te Others/Set Only Size Type Alloy  341-PBTE/2 % 0.06   Ø52x14mm CRM Cast Lead Base Lead Alloy PbSn Disc   Ag As Bi Cd Cu Fe Ni Sb Si Sn Zn Others/Set Only Size Type Alloy  341-PSN2 % 0.002 <0.005 0.0093 <0.001 0.035 <0.001 <0.001 0.023 0.0058 1.87 <0.001   100g RM  Lead Base Lead Alloy PbSbSn Chips   Ag As Bi Cu Fe Ni Pb Sb Sn Others/Set Only Size Type Alloy  351-177/2 % (0.008) 0.05 0.028 0.12   0.007 84.5 10.1 5.07   50x50x20mm RM Chill Cast Battery Alloy Lead Base Lead Alloy PbSnCa Block   Ag Bi Ca Cd Cu Ni Sb Sn Zn Others/Set Only Size Type Alloy  401-L21.01/1 % 0.005 0.03 0.05 0.0015 0.0008 0.0005 0.0005 0.1 0.002   50x50x20mm RM Chill Cast Battery Alloy  401-L21.02/1 % 0.008 0.01 0.03 <0.0002 0.0013 <0.0002 0.0003 0.27 0.0016   50x50x20mm RM Chill Cast Battery Alloy  401-L21.03/1 % 0.015 0.03 0.1 0.001 0.002 <0.0002 <0.0006 0.35 0.001   50x50x20mm RM Chill Cast Battery Alloy  401-L21.04/1 % 0.0002 <0.001 0.1 0.001 0.003 <0.0002 0.0008 0.45 0.001   50x50x20mm RM Chill Cast Battery Alloy