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 Copper Base Pure Copper High Purity Rod   Ag As Bi Cu Fe Ni O Pb S Sb Se Sn Te Zn Others/Set Only Size Type Alloy  071-SSC1 % 0.00188 1.16 1.15 (99.9) 0.00392 0.00176 0.0216 0.00653 0.00196 2.64 7.28 0.00549 4.57 0.00333   Ø40x30mm+ RM  Electrolytic C S N O H Only   O Others/Set Only Size Type Alloy  084-CCU5 ppm 100   Ø40x30mm+ RM  Electrolytic  084-CCU6 ppm 190   Ø40x30mm+ RM  Electrolytic  084-CCU7 ppm 270   Ø40x30mm+ RM  Electrolytic  084-CCU8 ppm 400   100g RM  Copper Base Pure Copper Pure Chips   Ag Al As Au Bi Cd Co Cr Cu Fe Mg Mn Ni P Pb S Sb Se Si Sn Te Zn Others/Set Only Size Type Alloy  185-4 % 0.21   0.054   (0.0011)   0.001 (0.00005)   0.001   (0.00003) 0.078 (0.0023) 0.2   0.0041   (0.00029) 0.00044   (0.0017)   100g RM  Copper Base Pure Copper High Purity Chips   Ag Al As Au Bi Cd Co Cr Cu Fe Mg Mn Ni P Pb Pd S Sb Se Si Sn Te Zn Others/Set Only Size Type Alloy  185-5 % 0.001   0.0004   (0.096)   0.00081 (0.00005)   0.00045   (0.00013) 0.00044   0.0027     (0.92)   (0.00026) 0.00046   (0.0013)   Ø5x100mm (150g) CRM  Copper Base Pure Copper Pure Rod C S N O H Only   O Others/Set Only Size Type Alloy  185-CU300 ppm 258   250g CRM    Ag Al As Au Bi Cd Co Cr Cu Fe Mg Mn Ni P Pb S Sb Se Si Sn Te Zn Others/Set Only Size Type Alloy  185-CU50-1 ppm                               49.6               250g CRM   185-CU5-1 ppm                               7.1               250g CRM   185-CU90-1 ppm                               87.3              /Y Ø40x18mm RM Cast Copper Base Pure Copper Major Elements Disc   Cu Zn Others/Set Only Size Type Alloy  185-MB1 % 60.66 39.39  /Y Ø40x18mm RM Cast  185-MB2 % 67.17 32.8  /Y Ø40x18mm RM Cast  185-MB3 % 73.26 26.67  /Y Ø40x18mm RM Cast  185-MB4 % 78.77 21.2  /Y Ø40x18mm RM Cast  185-MB5 % 84.25 15.63  /Y Ø40x18mm RM Cast  185-MB6 % 90.07 9.95  /Y Ø40x18mm RM Cast  185-MB7 % 95 4.99   50g CRM  P deoxidised Copper Base Pure Copper Pure Chips C S N O H Only   O P S Others/Set Only Size Type Alloy  191-017B ppm   7 10.4   Ø9x50mm CRM  Electrolytic tough pitch  191-022B ppm 138       Ø7x50mm CRM   191-054R ppm 0.47       Ø7x50mm CRM  Continuous Cast  191-058 ppm 390       50g CRM  Copper Base Pure Copper High Purity Chips   Ag Al As Au Bi Cd Co Cr Cu Fe Mg Mn Ni P Pb Pd S Sb Se Si Sn Te Zn Others/Set Only Size Type Alloy  191-074C ppm (13)   0.78     <0.02       1     1.04   0.97     0.58 0.37   <0.2   0.46   50g CRM   191-075C ppm 12.3   3.7     2.57       10     1.47   2.27     2.59 1.26   1.5   3.47   23g CRM  Copper Base Pure Copper Pure Chips C S N O H Only   O P S Others/Set Only Size Type Alloy  202-NS41001 ppm 333       23g CRM   202-NS41002 ppm 2.72       23g CRM   202-NS41003 ppm 8.5       23g CRM   202-NS41004 ppm 4.6       100g CRM  Copper Base Pure Copper High Purity Chips   Ag Al As Au Bi Cd Co Cr Cu Fe Mg Mn Ni P Pb Pd S Sb Se Si Sn Te Zn Others/Set Only Size Type Alloy  221-CUII/1C %     0.0941     0.0312 0.0509   (99.7)         0.068     0.0208   0.0508     0.0206     100g CRM   221-CUII/2C %     0.0472     0.0154 0.026   (99.8)         0.0255     0.0105   0.0231     0.0107     100g CRM   221-CUII/4C %     0.0095     0.0028 0.005   (99.9)         0.007     0.0033   0.0051     0.0022     100g CRM   221-CUII/6C %     0.0019     0.00055 0.001   (99.9)         0.0012     0.0007   0.00095     0.00045     100g CRM   221-CUII/7C %     0.00099     0.00018 0.00045   (99.9)         0.00075     0.0007   0.00049     0.00025     100g CRM   221-CUII/8C %     0.00049     0.00013 0.00023   (99.9)         0.00028     0.0007   0.00028     0.00013     100g CRM   221-CUII/9C %     0.00025     0.00006 0.00009   (99.9)         0.00014     0.0007   0.00012     0.00009     1g (100) RM  Copper Base Pure Copper Pure Pin   O S Others/Set Only Size Type Alloy  267-147 ppm 10 20   1g (100) RM  Pin C S N O H Only   O P S Others/Set Only Size Type Alloy  267-148 ppm 500   12   100g RM   267-149 ppm 440   10   50g CRM  Copper Base Pure Copper High Purity Chips   Ag Al As Au Bi Cd Co Cr Cu Fe Mg Mn Ni P Pb Pd S Sb Se Si Sn Te Zn Others/Set Only Size Type Alloy  331-395 ppm 12.2 (<2) 1.6 (0.13) 0.5 (0.4)   6 99.944 96 (<1) 5.3 5.4   3.25   13 8 0.63 (<2) 1.5 0.32 12.2   50g CRM   331-396 ppm 3.3 (2) <0.2 (0.5) 0.07 (6) 0.4 4.3   143   7.5 4.2   0.41   9.5 <1 0.62 (<2) 0.8 (0.02) 5   50g CRM   331-398 ppm   (<2) 25 (0.1) 2 (22) 2.8 (0.3) 99.98 11.4 (<1) (0.03) 7   9.9     7.5 (11) (<2) 4.8 10.1 24   50g CRM  Copper Base Pure Copper Pure Chips   Ag Al As Au Bi Cd Co Cr Cu Fe Mg Mn Ni P Pb S Sb Se Si Sn Te Zn Others/Set Only Size Type Alloy  331-399 ppm 117 (<2) 47 (4) 10.5 (<1) 0.5 (0.5) 99.79 20 (<1) (0.3) 506   114 (10) 30 95 (<2) (90) 50 45   50g CRM  Copper Base Pure Copper High Purity Chips   Ag Al As Au Bi Cd Co Cr Cu Fe Mg Mn Ni P Pb Pd S Sb Se Si Sn Te Zn Others/Set Only Size Type Alloy  331-400 ppm 181 (<2) 140 (10) 24.5 (<1) 0.6 (0.5) 99.7 41 (<1) (0.2) 603   128   (9) 102 214 (<2) (200) 153 114   35g CRM   331-454 ppm 286   46 7.5 19   (4)   99.84 (50)     (150)   66 (0.1)   24 479   2.2 27 7   1g (200) CRM  Pin Copper Base Pure Copper Pure Pin C S N O H Only   O S Others/Set Only Size Type Alloy  331-885 ppm 310 18   50g RM    Ag Al As Au Bi Cd Co Cr Cu Fe Mg Mn Ni P Pb S Sb Se Si Sn Te Zn Others/Set Only Size Type Alloy  341-178660 % 0.001 0.001 0.04   <0.001 0.028 0.055 0.045   0.08 <0.001 0.001 0.04 0.001 0.001 0.058 0.054   0.009 0.055 0.001 0.054   50g RM   341-178680 % 0.048 0.002 0.024   0.025 0.012 0.028 0.025   0.05 0.002 0.032 0.12 0.03 0.028 0.028 0.025   0.012 0.028 0.032 0.031   50g RM   341-178700 % 0.051 0.013 0.008   0.055 0.001 <0.001 0.001   0.05 0.011 0.045 0.19 0.048 0.052 0.001 0.001   0.002 <0.002 0.045 0.002   100g RM   351-399 %     (<0.001)   (0.001) (0.003)       (0.006)     (0.002) 0.045 (0.002)   (<0.001)     (0.003)   (0.003)   100g RM