The correct volume to use for extraction is 5 mL. This volume is typically achieved by eluting the derivatives directly into a 5 mL volumetric flask and then diluting to the mark with additional solvent. Pure HPLC-grade acetonitrile should be used. No specific volume-to-volume mixture is required for this extraction; pure acetonitrile is the standard recommendation for DNPH-coated silica cartridges to ensure efficient recovery of the hydrazone derivatives. The elution flow rate should be kept below 3 mL per minute, as higher flow rates can reduce analyte recovery. Elution should be performed in the opposite direction of the air sampling flow (back-elution) to ensure efficient removal of analytes collected on the front of the bed with the least amount of solvent.
54278-U
BPE-DNPH solid phase extraction (SPE) Cartridge
bed B 270 mg (DNPH-coated silica), bed A 130 mg (2-BPE coated silica), volume 3 mL, pkg of 10 ea
Synonym(s):
BPE-DNPH cartridge tube
Select a Size
| Size/SKU | Availability | Price |
|---|---|---|
10 ea | Estimated to ship onJuly 27, 2026fromMILWAUKEE | $259.00 |
About This Item
Product Name
BPE-DNPH Cartridge, bed B 270 mg (DNPH-coated silica), bed A 130 mg (2-BPE coated silica), volume 3 mL, pkg of 10 ea
Quality Segment
agency
ASTM® D5197 (BPE layer acts as a built-in ozone scrubber; not affected by moisture or high humidity conditions.), EPA IP-6A,TO-11A (BPE layer acts as a built-in ozone scrubber; not affected by moisture or high humidity conditions.), NIOSH 2016 (BPE layer suitable from scrubbing ozone from sample)
description
Dual-layer air sampling device.
composition
bed A, 130 mg (2-BPE coated silica), bed B, 270 mg (DNPH-coated silica)
packaging
pkg of 10 ea
technique(s)
active air sampling: suitable
volume
3 mL
application(s)
air monitoring
industrial hygiene
storage temp.
2-8°C
General description
It is a well-known problem when sampling airborne carbonyls using DNPH-coated silica gel devices that ozone interferes with their analysis. To remove this ozone interference, traditional ozone scrubbing devices containing 1.5 g of Potassium Iodide (KI) are used in front of the DNPH device to trap the ozone, which causes negative ozone interference. In high humidity environments and rainy conditions, potassium iodide cartridges (or other multiple bed devices containing both potassium iodide and DNPH) result in sample loss, due to moisture condensation and collection inside the device.
Benefits:
- Integrated ozone scrubber
- No extra connections
- No leaking cartridges
- High Purity adsorbents for better accuracy in trace analysis
- Low Background
- Individual packaging in zip seal bag to maximize sample integrity
- Suitable for NIOSH 2016, EPA TO-11A, EPA IP-6A and ASTM D5197
Application
Legal Information
1 of 1
This Item | |||
|---|---|---|---|
| composition bed A, 130 mg (2-BPE coated silica), bed B, 270 mg (DNPH-coated silica) | composition bed A, 130 mg (2-BPE coated silica), bed B, 270 mg (DNPH-coated silica) | composition bed wt., 350 mg , 2 4-DNPH (High-purity silica gel) | composition Potassium Iodide (KI), 1.5 g |
| volume 3 mL | volume 3 mL | volume 3 mL | volume - |
| agency ASTM® D5197 (BPE layer acts as a built-in ozone scrubber; not affected by moisture or high humidity conditions.), NIOSH 2016 (BPE layer suitable from scrubbing ozone from sample), EPA IP-6A,TO-11A (BPE layer acts as a built-in ozone scrubber; not affected by moisture or high humidity conditions.) | agency ASTM® D5197, EPA IP-6A,TO-11A (BPE layer acts as a built-in ozone scrubber; not affected by moisture or high humidity conditions.), NIOSH 2016 (BPE layer acts as a built-in ozone scrubber; not affected by moisture or high humidity conditions.) | agency ASTM® D5197, EPA 100,IP-6A,TO-11A,TO-11A, NIOSH 2016 | agency ASTM® D5197, EPA 100,IP-6A,TO-11A,TO-11A, NIOSH 2016 |
| technique(s) active air sampling: suitable | technique(s) active air sampling: suitable | technique(s) active air sampling: suitable | technique(s) active air sampling: suitable |
| storage temp. 2-8°C | storage temp. 2-8°C | storage temp. 2-8°C | storage temp. - |
| description Dual-layer air sampling device. | description Dual-layer air sampling device. | description - | description - |
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signalword
Warning
hcodes
Hazard Classifications
Eye Irrit. 2 - Skin Irrit. 2 - STOT SE 3
target_organs
Respiratory system
Storage Class
11 - Combustible Solids
wgk
WGK 3
flash_point_f
Not applicable
flash_point_c
Not applicable
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Qual è il volume corretto da usare in fase di estrazione con queste cartucce? Bisogna usare Acetonitrile puro o in miscela? Nel secondo caso, che rapporto v/v deve avere la miscela? Grazie
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