CHROMABOND Columns HR-P-AOX for AOX enrichment volume: 6 mL, content of sorbent: 200 mg ma

HR-P-AOX – AOX from waters with high salt loads (DIN 38409 – H22)

• special PS/DVB phase

Recommended application:

• extraction of AOX (adsorbable organically bonded halogens) from waters containing high salt loads or organic pollutants in accordance with DIN 38409 – H22

AOX from water (DIN 38409 – H22)

Column type:

CHROMABOND® HP-P-AOX, 6 mL, 500 mg

Column conditioning:

5 mL methanol, 10 mL dist. water CAUTION: DO NOT LET THE COLUMN RUN DRY|

Sample application:

force or aspirate 100 mL original or diluted sample (pH 1) through the column (3–5 mL/min) CAUTION: DO NOT LET THE COLUMN RUN DRY|

Column washing:

50 mL nitrate rinsing solution (dissolve 17 g NaNO3 in 100 mL dist. water, add 1.4 mL HNO3 10 mol/L, fill up to 1000 mL; take 50 mL and fill to 1000 mL with dist. water). Discard the flowthrough

Elution:

slowly aspirate 1 × 1 mL, then 1 × 4 mL methanol and 10 mL dist. water through the column. Collect eluates in 100 mL volumetric flask and fill to 100 mL with dist. water.