Sampling for airborne carbonyl compounds in EPA Method TO-11A and other methods is based on a reaction between the target compounds and 2,4-dinitrophenylhydrazine (DNPH), coated on a silica gel adsorbent. We introduced a 15-component aldehyde/ketone-DNPH calibration mix (cat.#31808). To meet the needs of investigators analyzing only for formaldehyde, we offer this formulation.
Features & Benefits
- High concentration.
- Acetonitrile solventsuitable for HPLC analyses.
| Weight | 0.05 lbs |
|---|---|
| Dimensions | 3.50 × 1.25 × 1.25 in |
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$785.00
Single-Component
515 Herbicide Internal Standard (4,4′-Dibromooctafluorobiphenyl), 250 µg/mL, Hexane, 1 mL/ampul
$35.50
