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 Nickel Base Pure Nickel Disc   Al Cr Co Cu Fe Mn Mo Nb Ti W B C Mg P S Si Ta V Zr Ni Others/Set Only Size Type Alloy  182-187A ppm 11 (3) 1 2.2 19 3 (<1)   (3)   (<5) 13 (2) <1 1.9 (18)   (0.8)       Ø31x18mm RM   182-188A ppm 24 (6) 1.7 1.8 19 2.3 (<1)   (2)   (<5) 22 (4) 1.4 1.8 18   (<0.5)       Ø31x18mm RM   182-189A ppm 44 (10) 3.1 9 38 1.9 (<1)   (3.3)   (<5) 23 (8) 3.7 1.8 19   (<0.5)       Ø31x18mm RM   182-190A ppm 50 (1) 8 17 99 1.8 (<1)   (6)   (<5) 22 (6) 34 3.3 28   (<0.5)       Ø31x18mm RM   182-191A ppm 1.5 2.1 545 4.2 7.9 3.1 (<1)   (<1)   (<5) <0.1 (2) <1 2.1 (5)   (<0.5)       Ø31x18mm RM   182-192A ppm 2.3 3.1 1400 45 15 5.2 (<1)   (<1)   <5 11 (2) 1.1 165 (7)   (<0.5)       Ø31x18.75mm RM  Nickel 200  182-50A % 0.02 0.01 0.01 (<0.01) 0.04 0.11 <0.01 <0.01 <0.01 <0.01 (<0.001) 0.023 <0.005 0.002 0.002 <0.01 <0.01 <0.01 <0.01 (99.78)   Ø40x15mm CRM Cast  341-17518 % 0.2 <0.01 1 0.01 0.5 0.4     <0.01       0.2     0.01           Ø40x15mm CRM Cast  341-17519 % 0.15 0.05 0.75 0.05 0.35 0.3     0.05       0.15     0.1           Ø40x15mm CRM Cast  341-17520 % 0.1 0.1 0.5 0.1 0.25 0.2     0.1       0.1     0.2           Ø40x15mm CRM Cast  341-17521 % 0.05 0.15 0.25 0.15 0.15 0.1     0.15       0.05     0.3           Ø40x15mm CRM Cast  341-17522 % 0.01 0.2 0.05 0.2 0.06 0.01     0.26       <0.01     0.4           Ø38x20mm RM Wrought  361-200-1 % 0.005 0.001 0.09 0.008 0.048 0.11 0.001 0.002 0.021   0.0034 0.044 0.031 0.001 0.001 0.041   0.001       Ø38x20mm RM Wrought  361-200-2 % 0.005 0.01 0.106 0.053 0.118 0.245 0.001 0.002 0.02   0.0035 0.05 0.036 0.002 0.006 0.062   0.002       Ø38x20mm RM Wrought  361-200-3 % 0.005 0.008 0.105 0.107 0.141 0.15 0.001 0.002 0.024   0.0042 0.014 0.024 0.002 0.004 0.012   0.001       Ø38x20mm RM Wrought  361-200-4 % 0.007 0.13 0.09 0.048 0.29 0.31 0.001 0.002 0.019   0.0038 0.11 0.032 0.003 0.007 0.1   0.002       Ø38x12mm RM Wrought  361-200A % 0.029 (0.001) 0.057 0.004 0.076 0.15 <0.002 (0.001) 0.043   0.0044 0.077 0.013 <0.003 0.004 0.007   0.001       100g CRM  C S N O H Only   C S Others/Set Only Size Type Alloy  185-NI-1 ppm 1260 31   100g CRM   185-NI-2 ppm 128 149   2g (25) CRM   191-099 ppm 1.1 8.4   Ø10x110mm CRM   261-O/H-1 ppm 0.3 8.3   Ø10x110mm CRM