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Custom Reference Standards

AOF Analysis (EPA Method 1621)

Complete laboratory supplies for accurate adsorbable organic fluorine (AOF) determination.

CPI International supplies laboratory consumables required for running EPA Method 1621, including GAC columns, sample preparation tools, and analytical supplies. These products support accurate adsorbable organic fluorine (AOF) measurement by minimizing contamination risk and enabling consistent, low-level detection.

Designed for Accurate AOF Measurement

EPA Method 1621 requires careful control of background fluorine. Using appropriate consumables helps ensure reliable blank correction and accurate reporting of low-level AOF in aqueous samples.

Key Consumables for EPA Method 1621

  • Pre-packed GAC columns for adsorption
  • Pipettors and tips for sample preparation
  • Reagent water, standards, and method blanks
  • Syringes and fittings for sample transfer


Pre-Packed GAC Column for AOF
Item No.: 634-009F
Analytik Jena Type, 4mm x 6mm x 18mm Quartz Glass, 100/pack
249.00 249.0 USD
Syringe, 100 μL, Luer Lock, Gas Tight, 1710TLL
CPI offers a thorough line of syringes that accommodate several different applications. If you do not see a syringe you use listed, please contact your CPI sales representative.
93.00 93.0 USD
Water Blank for ICP/IC Analysis, High Purity, 18 Megaohm
Choose from 500 mL, 1 L, and 4 L volumes.
0.0 USD
Syringe, 50mL, Luer Lock, Gas Tight
CPI offers a thorough line of syringes that accommodate several different applications. If you do not see a syringe you use listed, please contact your CPI sales representative.
212.00 212.0 USD