PerkinElmer US LLC Potassium (K) Pure Standard 1000 µg/mL 2 - N9300141

Perkin Elmer - Potassium (K) Pure Standard, 1,000 µg/mL, 2% HNO3, 500 mL. Each Single Element Calibration Standard for AA and ICP-OES is supplied with a comprehensive Certificate of Analysis that documents the quality and reliability.