Gel Free SPE Cartridge

Do you need a quick sample preparation method for gel and cream products?

Orochem offers new Gel Free SPE cartridges to remove carbomer from gel and cream products. There are two types: Gel Free LC SPE cartridges for sample preparation before injection to HPLC; while Gel Free GC SPE cartridges for GC samples.  It is a one-step SPE method and no method development is required. 
We have developed and validated organic impurities in hand sanitizer gel testing methods using Gel Free GC SPE cartridges.

Compounds:

acetaldehyde, acetone, ethyl acetate, diethyl acetal, methanol, benzene, 2-butanol,n-propanol, iso-butanol, n-butanol, iso-amylalcohol, n-amyl alcohol

Gel Free SPE Cartridge

SPE EXTRACTION METHOD:

Gel Free SPE Cartridge

GC-FID METHOD

Column:Agilent DB-FATWAX, 30 m, 0.25 mm diameter, 0.25 µm film Inlet Temp: 250°C Detector Temp: 250 °C
Oven Temp Gradient Table
Rate (°C/min)Value (°C)Hold Time (min)
Initial3210
Ramp1101000
Ramp252205
Column flow rate:0.7 mL/min
Injection volume:1 pL
Run time:29.8 min
Gel Free SPE Cartridge
Gel Free SPE Cartridge
AnalyteRetention Time (min)
Acetaldehyde3.24
Acetone4.42
Ethylacetate6.07
Diethyl acetal6.20
Methanol6.48
Benzene7.85
2-Butanol12.70
n-Propanol13.05
Iso-Butanol14.58
n-Butanol15.83
Iso-Amyl alcohol17.18
n-Amyl alcohol17.91
AnalyteLinear range (ppm)
Acetaldehyde25-500
Acetone30-2000
Ethylacetate25-1000
Diethyl acetal25 -1000
Methanol25 -1000
Benzene2-80
2-Butanol25-1000
n-Propanol25-1000
Iso-Butanol30-2000
n-Butanol25-1000
Iso-Amyl alcohol30-2000
n-Amyl alcohol25-1000

Showing the single result

  • Catalog#
  • Description