UMEx 100 Passive Sampler Treated Tape for QC, 50Pk
Part Number:
P20084
Cold storage required. Shipping restrictions may apply.
Limited Shelf Life
Overview
Treated Tape, UMEx 100 Passive Sampler, for QC purposes only; single use only.
The convenient UMEx 100 Passive Sampler features sensitive method-validated chemistry for detection of low levels of formaldehyde. The single-use UMEx 100 contains a tape treated with 2,4-dinitrophenylhydrazine (DNPH) for reliable collection. Sampling rates are validated from 15 minutes to 24 hours or 7 days. Analysis is performed by high-performance liquid chromatography (HPLC).
| Cold Storage Recommended | Yes |
|---|---|
| Limited Shelf Life | Yes |
| Type | Solvent Extraction |
| Chemical Hazard | Formaldehyde, Other Aldehydes |
| Sorbent | Treated Tape |
| Validation Level | Calculated, Full, OSHA, Partial |
Performance Profile
Sampling Rate for Formaldehyde | 28.6 ml/min with a RSD of 7.6% at wind velocity of 5 to 100 cm/sec for 15 minutes to 24 hours See the More Information tab for UMEx 100 sampling rates for other aldehydes. |
Detection Principle | Formation of stable DNPH-hydrazone in the presence of formaldehyde |
Validation Range | 0.06 to 3.0 ppm |
Lower Detection Limits | 15 min: 200 ppb (0.24 mg/m3) 8 hrs: 5 ppb (0.006 mg/m3) 24 hrs: 2 ppb (0.002 mg/m3) 7 days: 0.2 ppb (0.0002 mg/m3) |
Shelf-life | 12 mos from date of manufacture at < 39.2 F ([4 C]) |
Capacity | 29 µg/sample |
Analysis | Solvent extraction and analysis by HPLC (high-performance liquid chromatography) with UV detection |
Accuracy | ± 25%, exceeds OSHA requirements |
Storage | Before use: < 39.2 F (4 C) After use: < 39.2 F (4 C) and analyze within 3 weeks Do not store with food. |
Temperature Effects | No effect on sampling rate between 10 and 30 C |
Humidity Effects | No effect from 10 to 80% relative humidity (RH) Do not use sampler below 10% RH. |
Wind Effects | No effect from 5 to 100 cm/sec |
Interferences‡ | Large amounts of carbonyl compounds may reduce the uptake of formaldehyde. Use in ozone levels < 0.5 ppm. |
Dimensions | 3.4 x 1.1 x .35 in (8.6 x 2.8 x .89 cm) |
Weight | 0.38 oz (10.8 gm) |
| Note: | If sampling in an atmosphere containing formalin, see Sampling Formaldehyde from Formalin Using Passive Samplers for field study information. |
Document Downloads
- Validation of Crotonaldehyde Using UMEx 100 Diffusive Samplers Research Report
- Validation of Hexanaldehyde Using SKC UMEx 100 Diffusive Samplers Research Report
- Validation of Isovaleraldehyde Using SKC UMEx 100 Diffusive Samplers (Cat. No. 500-100) Research Report
- Safety Data Sheets Letter for SKC Sample Media
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