AAS - Atomic Absorption Mono Element ppm Standard Solutions (Spectro ECON)

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CL01.0105 CL01.0106 CL01.0107 CL01.0126 CL01.0127 CL01.0135 CL01.0136 CL01.0137 CL01.0138 CL01.0205 CL01.0206 CL01.0207 CL01.0216 Aluminium standard solution (Spectro ECON) 8.948 g AlCl3.6H2O / l H2O Solution contains 1.000µg/ml of Al(3+) (±2 µg - 20 C) Aluminium standard solution (Spectro ECON) 13.903 g Al(NO3)3.9H2O / l 2 to 5% HNO3 Solution contains 1.000µg/ml of Al(3+) (±2 µg - 20 C) Aluminium standard solution (Spectro ECON) 8.948 g AlCl3.6H2O / l 2 to 5% HCl Solution contains 1.000µg/ml of Al(3+) (±2 µg - 20 C) Aluminium Antimony Antimony standard solution (Spectro ECON) 1.874 g SbCl3 / l 10 to 20% HCl Solution contains 1.000µg/ml of Sb(5+) (±2 µg - 20 C) Antimony standard solution (Spectro ECON) 1 g Sb / l 2 to 5% HNO3 + traces HF Solution contains 1.000µg/ml of Sb(5+) (±2 µg - 20 C) Arsenicum Arsenicum standard solution (Spectro ECON) 1.734 g NaAsO2 / l H2O Solution contains 1.000µg/ml of As(3+) (±2 µg - 20 C) Arsenicum standard solution (Spectro ECON) 1.32 g As2O3 / l 2% KOH Solution contains 1.000µg/ml of As(3+) (±2 µg - 20 C) Arsenicum standard solution (Spectro ECON) 1.32 g As2O3 / l 2 to 5% HCl Solution contains 1.000µg/ml of As(3+) (±2 µg - 20 C) Arsenicum standard solution (Spectro ECON) 1.32 g As2O3 / l 2 to 5% HNO3 Solution contains 1.000µg/ml of As(5+) (±2 µg - 20 C) Barium Barium standard solution (Spectro ECON) 1.779 g BaCl2.2H2O / l H2O Solution contains 1.000µg/ml of Ba(2+) (±2 µg - 20 C) Barium standard solution (Spectro ECON) 1.903 g Ba(NO3)2 / l 2 to 5% HNO3 Solution contains 1.000µg/ml of Ba(2+) (±2 µg - 20 C) Barium standard solution (Spectro ECON) 1.779 g BaCl2.2H2O / l 2 to 5% HCl Solution contains 1.000µg/ml of Ba(2+) (±2 µg - 20 C) Beryllium Beryllium standard solution (Spectro ECON) 8.868 g BeCl2 / l 2 to 5% HCl Solution contains 1.000µg/ml of Be(2+) (±2 µg - 20 C)

CL01.0217 CL01.0225 CL01.0226 CL01.0236 CL01.0237 CL01.0305 CL01.0306 CL01.0315 CL01.0316 CL01.0317 CL01.0318 CL01.0335 CL01.0356 Beryllium standard solution (Spectro ECON) 22.76 g Be(NO3)2.4H2O / l 2 to 5% HNO3 Solution contains 1.000µg/ml of Be(2+) (±2 µg - 20 C) Bismuth standard solution (Spectro ECON) 1.3733 g BiO(NO3) / l~0.5 mol HNO3 Solution contains 1.000µg/ml of Bi(3+) (±2 µg - 20 C) Bismuth standard solution (Spectro ECON) 2.321 g Bi(NO3)3.5H2O / l 2 to 5% HNO3 Solution contains 1.000µg/ml of Bi(3+) (±2 µg - 20 C) Boron standard solution (Spectro ECON) 5.719 g H3BO3 / l H2O Solution contains 1.000µg/ml of B(3+) (±2 µg - 20 C) Boron standard solution (Spectro ECON) 5.72 g H3BO3 / l 2 to 5% HNO3 Solution contains 1.000µg/ml of B(3+) (±2 µg - 20 C) Bismuth Boron Cadmium Cadmium standard solution (Spectro ECON) 2.745 g Cd(NO3)2.4H2O / l H2O Solution contains 1.000µg/ml of Cd(2+) (±2 µg - 20 C) Cadmium standard solution (Spectro ECON) 2.745 g Cd(NO3)2.4H2O / l 2 to 5% HNO3 Solution contains 1.000µg/ml of Cd(2+) (±2 µg - 20 C) Calcium Calcium standard solution (Spectro ECON) 3.668 g CaCl2.2H2O / l H2O Solution contains 1.000µg/ml of Ca(2+) (±2 µg - 20 C) Calcium standard solution (Spectro ECON) 5.892 g Ca(NO3)2.4H2O / l 2 to 5% HNO3 Solution contains 1.000µg/ml of Ca(2+) (±2 µg - 20 C) Calcium standard solution (Spectro ECON) 3.668 g CaCl2.2H2O / l 2 to 5% HCl Solution contains 1.000µg/ml of Ca(2+) (±2 µg - 20 C) Calcium oxide standard solution (Spectro ECON) 1.79 g CaCO3 / l 2 to 5% HNO3 Solution contains 1.000µg/ml of CaO (±2 µg - 20 C) Cesium standard solution (Spectro ECON) 1.267 g CsCl / l H2O Solution contains 1.000µg/ml of Cs(1+) (±2 µg - 20 C) Chromium standard solution (Spectro ECON) 2.829 g K2Cr2O7 / l H2O Solution contains 1.000µg/ml of Cr(6-) (±2 µg - 20 C) Cesium Chromium

CL01.0365 CL01.0366 CL01.0367 CL01.1125 CL01.1126 CL01.1127 CL01.1135 CL01.1136 CL01.1137 CL01.0926 CL01.0905 CL01.0906 CL01.0907 Chromium standard solution (Spectro ECON) 7.696 g Cr(NO3)3.9H2O / l H2O Solution contains 1.000µg/ml of Cr(3+) (±2 µg - 20 C) Chromium standard solution (Spectro ECON) 5.124 g CrCl3.6H2O / l 2 to 5% HCl Solution contains 1.000µg/ml of Cr(3+) (±2 µg - 20 C) Chromium standard solution (Spectro ECON) 7.696 g Cr(NO3)3.9H2O / l 2 to 5% HNO3 Solution contains 1.000µg/ml of Cr(3+) (±2 µg - 20 C) Cobalt Cobalt standard solution (Spectro ECON) 4.938 g Co(NO3)2.6H2O / l H2O Solution contains 1.000µg/ml of Co(2+) (±2 µg - 20 C) Cobalt standard solution (Spectro ECON) 4.938 g Co(NO3)2.6H2O / l 2 to 5% HNO3 Solution contains 1.000µg/ml of Co(2+) (±2 µg - 20 C) Cobalt standard solution (Spectro ECON) 4.037 g CoCl2.6H2O / l 2 to 5% HCl Solution contains 1.000µg/ml of Co(2+) (±2 µg - 20 C) Copper Copper standard solution (Spectro ECON) 3.802 g Cu(NO3)2.3H2O / l H2O Solution contains 1.000µg/ml of Cu(2+) (±2 µg - 20 C) Copper standard solution (Spectro ECON) 3.802 g Cu(NO3)2.3H2O / l 2 to 5% HNO3 Solution contains 1.000µg/ml of Cu(2+) (±2 µg - 20 C) Copper standard solution (Spectro ECON) 2.683 g CuCl2.2H2O/ l 2 to 5% HCl Solution contains 1.000µg/ml of Cu(2+) (±2 µg - 20 C) Indium standard solution (Spectro ECON) 1.21 g In2O3 / l 2 to 5% HNO3 Solution contains 1.000µg/ml of In(3+) (±2 µg - 20 C) Indium Iron Iron standard solution (Spectro ECON) 7.234 g Fe(NO3)3.9H2O / l H2O Solution contains 1.000µg/ml of Fe(3+) (±2 µg - 20 C) Iron standard solution (Spectro ECON) 7.234 g Fe(NO3)3.9H2O / l 2 to 5% HNO3 Solution contains 1.000µg/ml of Fe(3+) (±2 µg - 20 C) Iron standard solution (Spectro ECON) 4.840 g FeCl3.6H2O / l 2 to 5% HCl Solution contains 1.000µg/ml of Fe(3+) (±2 µg - 20 C)

CL01.1206 CL01.1225 CL01.1226 CL01.1215 CL01.1216 CL01.1217 CL01.1305 CL01.1306 CL01.1307 CL01.1308 CL01.1315 CL01.1316 CL01.1317 Lanthanum Lanthanum standard solution (Spectro ECON) 1.18 g La2O3 / l 2 to 5% HNO3 Solution contains 1.000µg/ml of La(3+) (±2 µg - 20 C) Lead Lead standard solution (Spectro ECON) 1.599 g Pb(NO3)2 / l H2O Solution contains 1.000µg/ml of Pb(2+) (±2 µg - 20 C) Lead standard solution (Spectro ECON) 1.599 g Pb(NO3)2 / l 2 to 5% HNO3 Solution contains 1.000µg/ml of Pb(2+) (±2 µg - 20 C) Lithium standard solution (Spectro ECON) 6.108 g LiCl / l H2O Solution contains 1.000µg/ml of Li(1+) (±2 µg - 20 C) Lithium standard solution (Spectro ECON) 5.33 g Li2CO3 / l 2 to 5% HCl Solution contains 1.000µg/ml of Li(1+) (±2 µg - 20 C) Lithium standard solution (Spectro ECON) 5.33 g Li2CO3 / l 2 to 5% HNO3 Solution contains 1.000µg/ml of Li(1+) (±2 µg - 20 C) Lithium Magnesium Magnesium standard solution (Spectro ECON) 8.363 g MgCl2.6H2O / l H2O Solution contains 1.000µg/ml of Mg(2+) (±2 µg - 20 C) Magnesium standard solution (Spectro ECON) 10.547 g Mg(NO3)2.6H2O / l 2 to 5% HNO3 Solution contains 1.000µg/ml of Mg(2+) (±2 µg - 20 C) Magnesium standard solution (Spectro ECON) 8.363 g MgCl2.6H2O / l 2 to 5% HCl Solution contains 1.000µg/ml of Mg(2+) (±2 µg - 20 C) Magnesium oxide standard solution (Spectro ECON) 0.603 g Mg / l 2 to 5% HNO3 Solution contains 1.000µg/ml of MgO (±2 µg - 20 C) Manganese Manganese standard solution (Spectro ECON) 4.569 g Mn(NO3)2.4H2O / l H2O Solution contains 1.000µg/ml of Mn(2+) (±2 µg - 20 C) Manganese standard solution (Spectro ECON) 4.569 g Mn(NO3)2.4H2O / l 2 to 5% HNO3 Solution contains 1.000µg/ml of Mn(2+) (±2 µg - 20 C) Manganese standard solution (Spectro ECON) 3.602 g MnCl2.4H2O / l 2 to 5% HCl Solution contains 1.000µg/ml of Mn(2+) (±2 µg - 20 C)

CL01.1155 CL01.1156 CL01.1336 CL01.1425 CL01.1426 CL01.1427 CL01.1436 CL01.0635 CL01.0636 CL01.0626 CL01.1105 CL01.1106 CL01.1107 Mercury Mercury standard solution (Spectro ECON) 1.708 g Hg(NO3)2.1H2O / l H2O Solution contains 1.000µg/ml of Hg(2+) (±2 µg - 20 C) Mercury standard solution (Spectro ECON) 1.708 g Hg(NO3)2.1H2O/ l 2 to 5% HNO3 Solution contains 1.000µg/ml of Hg(2+) (±2 µg - 20 C) Molybdenum Molybdenum standard solution (Spectro ECON) 1 g Mo / l 2 to 5% HNO3 + traces HF Solution contains 1.000µg/ml of Mo(6+) (±2 µg - 20 C) Nickel standard solution (Spectro ECON) 4.953 g Ni(NO3)2.6H2O / l H2O Solution contains 1.000µg/ml of Ni(2+) (±2 µg - 20 C) Nickel standard solution (Spectro ECON) 4.953 g Ni(NO3)2.6H2O/ l 2 to 5% HNO3 Solution contains 1.000µg/ml of Ni(2+) (±2 µg - 20 C) Nickel standard solution (Spectro ECON) 4.049 g NiCl2.6H2O / l 2 to 5% HCl Solution contains 1.000µg/ml of Ni(2+) (±2 µg - 20 C) Nickel Niobium standard solution (Spectro ECON) 1 g Nb / l 5% HF Solution contains 1.000µg/ml of Nb(5+) (±2 µg - 20 C) Phosphorus standard solution (Spectro ECON) 3.164 g H3PO4 / l H2O Solution contains 1.000µg/ml of P (±2 µg - 20 C) Phosphorus standard solution (Spectro ECON) 4.264 g (NH4)2HPO4 / l H2O Solution contains 1.000µg/ml of P (±2 µg - 20 C) Niobium Phosphorus Phosphorus pentoxide standard solution (Spectro ECON) 1.381 g H3PO4 / l H2O Solution contains 1.000µg/ml of P2O5 (±2 µg - 20 C) Potassium standard solution (Spectro ECON) 1.907 g KCl / l H2O Solution contains 1.000µg/ml of K(1+) (±2 µg - 20 C) Potassium standard solution (Spectro ECON) 2.586 g KNO3 / l 2 to 5% HNO3 Solution contains 1.000µg/ml of K(1+) (±2 µg - 20 C) Potassium standard solution (Spectro ECON) 1.907 g KCl / l 2 to 5% HCl Solution contains 1.000µg/ml of K(1+) (±2 µg - 20 C) Potassium

CL01.1108 CL01.1825 CL01.1926 CL01.1927 CL01.1936 CL01.2605 CL01.2606 CL01.1405 CL01.1407 CL01.1406 CL01.1408 CL01.1965 CL01.1966 Potassium oxide standard solution (Spectro ECON) 2.15 g KNO3 / l 2 to 5% HNO3 Solution contains 1.000µg/ml of K2O (±2 µg - 20 C) Rubidium Rubidium standard solution (Spectro ECON) 1.415 g RbCl / l H2O Solution contains 1.000µg/ml of Rb(1+) (±2 µg - 20 C) Selenium Selenium standard solution (Spectro ECON) 1 g Se / l 10% HCl Solution contains 1.000µg/ml of Se(4+) (±2 µg - 20 C) Selenium standard solution (Spectro ECON) 1 g Se / l 2 to 5% HNO3 Solution contains 1.000µg/ml of Se(4+) (±2 µg - 20 C) Silicium standard solution (Spectro ECON) 2.14 g SiO2 / l 2% KOH Solution contains 1.000µg/ml of Si(4+) (±2 µg - 20 C) Silicium Silver Silver standard solution (Spectro ECON) 1.575 g AgNO3 / l H2O Solution contains 1.000µg/ml of Ag(1+) (±2 µg - 20 C) Silver standard solution (Spectro ECON) 1.575 g AgNO3 / l 2 to 5% HNO3 Solution contains 1.000µg/ml of Ag(1+) (±2 µg - 20 C) Sodium Sodium standard solution (Spectro ECON) 2.542 g NaCl / l H2O Solution contains 1.000µg/ml of Na(1+) (±2 µg - 20 C) Sodium standard solution (Spectro ECON) 2.5422 g NaCl / l 2 to 5% HCl Solution contains 1.000µg/ml of Na(1+) (±2 µg - 20 C) Sodium standard solution (Spectro ECON) 3.698 g NaNO3 / l 2 to 5% HNO3 Solution contains 1.000µg/ml of Na(1+) (±2 µg - 20 C) Sodium oxide standard solution (Spectro ECON) 2.75 g NaNO3 / l 2 to 5% HNO3 Solution contains 1.000µg/ml of Na2O (±2 µg - 20 C) Strontium Strontium standard solution (Spectro ECON) 2.416 g Sr(NO3)2 / l H2O Solution contains 1.000µg/ml of Sr(2+) (±2 µg - 20 C) Strontium standard solution (Spectro ECON) 3.043 g SrCl2.6H2O / l 2 to 5% HCl Solution contains 1.000µg/ml of Sr(2+) (±2 µg - 20 C)

CL01.1967 CL01.2645 CL01.2646 CL01.2016 CL01.2017 CL01.2018 CL01.2036 CL01.2066 CL01.2076 CL01.2077 CL01.2306 CL01.2308 CL01.2205 Strontium standard solution (Spectro ECON) 2.416 g Sr(NO3)2 / l 2 to 5% HNO3 Solution contains 1.000µg/ml of Sr(2+) (±2 µg - 20 C) Sulfur standard solution (Spectro ECON) 3.059 g H2SO4 / l H2O Solution contains 1.000µg/ml of S (±2 µg - 20 C) Sulfur standard solution (Spectro ECON) 4.121 g (NH4)2SO4 / l H2O Solution contains 1.000µg/ml of S (±2 µg - 20 C) Sulfur Tellurium Tellurium standard solution (Spectro ECON) 1 g Te / l 2% KOH Solution contains 1.000µg/ml of Te(4+) (±2 µg - 20 C) Tellurium standard solution (Spectro ECON) 1 g Te / l 10 to 20% HCl Solution contains 1.000µg/ml of Te(4+) (±2 µg - 20 C) Tellurium standard solution (Spectro ECON) 1 g Te / l 2 to 5% HNO3 + traces HF Solution contains 1.000µg/ml of Te(4+) (±2 µg - 20 C) Thallium standard solution (Spectro ECON) 1.117 g Tl2O3 / l 2 to 5% HNO3 Solution contains 1.000µg/ml of Tl(1+) (±2 µg - 20 C) Thallium Tin standard solution (Spectro ECON) 2.154 g SnCl2.2H2O / l 10 to 20% HCl Solution contains 1.000µg/ml of Sn(2+) (±2 µg - 20 C) Titanium standard solution (Spectro ECON) 1 g Ti / l 5% HF Solution contains 1.000µg/ml of Ti(4+) (±2 µg - 20 C) Titanium standard solution (Spectro ECON) 3.962 g TiCl4 / l 10 to 20% HCl Solution contains 1.000µg/ml of Ti(4+) (±2 µg - 20 C) Tungsten standard solution (Spectro ECON) 1 g W / l 5% HF Solution contains 1.000µg/ml of W(6+) (±2 µg - 20 C) Tungsten standard solution (Spectro ECON) 1.261 g WO3 / l 2% NH4OH Solution contains 1.000µg/ml of W(6+) (±2 µg - 20 C) Vanadium standard solution (Spectro ECON) 2.296 g NH4VO3 / l dil. NH4OH Solution contains 1.000µg/ml of V(5+) (±2 µg - 20 C) Tin Titanium Tungsten Vanadium

CL01.2208 CL01.2206 CL01.2516 CL01.2615 CL01.2616 CL01.2617 CL01.2635 CL01.2636 CL01.2637 Vanadium standard solution (Spectro ECON) 3.278 g VOSO4 / l 0.5 mol/l H2SO4 Solution contains 1.000µg/ml of V(4+) (±2 µg - 20 C) Vanadium standard solution (Spectro ECON) 1.785 g V2O5 / l 2 to 5% HNO3 Solution contains 1.000µg/ml of V(3+) (±2 µg - 20 C) Yttrium standard solution (Spectro ECON) 4.31 g Y(NO3)3.6H2O / l 2 to 5% HNO3 Solution contains 1.000µg/ml of Y(3+) (±2 µg - 20 C) Yttrium Zinc Zinc standard solution (Spectro ECON) 3.998 g Zn(NO3)2.4H2O / l H2O Solution contains 1.000µg/ml of Zn(2+) (±2 µg - 20 C) Zinc standard solution (Spectro ECON) 3.998 g Zn(NO3)2.4H2O / l 2 to 5% HNO3 Solution contains 1.000µg/ml of Zn(2+) (±2 µg - 20 C) Zinc standard solution (Spectro ECON) 2.085 g ZnCl2 / l 2 to 5% HCl Solution contains 1.000µg/ml of Zn(2+) (±2 µg - 20 C) Zirconium standard solution (Spectro ECON) 3.533 g ZrOCl2.8H2O / l 2 mol/l HCl Solution contains 1.000µg/ml of Zr(4+) (±2 µg - 20 C) Zirconium standard solution (Spectro ECON) 1.351 g ZrO2 / l 5% HF Solution contains 1.000µg/ml of Zr(4+) (±2 µg - 20 C) Zirconium standard solution (Spectro ECON) 3.533 g ZrOCl2.8H2O / l 2 to 5% HCl Solution contains 1.000µg/ml of Zr(4+) (±2 µg - 20 C) Zirconium