Each Single Element Calibration Standard for AA and ICP-OES is supplied with a comprehensive Certificate of Analysis that documents the quality and reliability.
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Concentration of Elements includes:
Niobium (Nb) Pure Standard, 1,000 µg/mL, H2O/0.4% HF, 125 mL
Nickel (Ni) Pure Standard, 1,000 μg/mL, 2% HNO3, 125 mL
Nickel (Ni) Pure Standard, 1,000 µg/mL, 2% HNO3, 125mL
Niobium (Nb) Pure Standard, 1,000 µg/mL, H2O/0.4% HF, 500 mL