Each PerkinElmer Atomic Spectroscopy Calibration Standard is supplied with a comprehensive Certificate of Analysis that documents the quality and reliability.
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Pure Grade Standards for AA and ICP-OES
Potassium (K) Pure Single-Element Standard, 1,000 µg/mL, 2% HNO3, 125 mL
Potassium (K) Pure Plus Single-Element Standard, 1,000 µg/L, 2% HNO3, 125 mL