Selenium +4, 1,000 ug/mL, for ICP, 125 mL (Additi

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Spex Certiprep Assurance Grade Selenium +4 for ICP, 1,000 ug/mL (1,000 PPM), 125 mL, in 2% HNO3 (Additional S&H or Hazmat Fees May Apply) - SPEX

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