11
innovativepetrochemical products
Petrochemical
DHAanalysis:Troublewith tailingalcoholpeaks isover...
Rtx
®
-DHA
• Sharpalcoholpeaks: accuratedata
• Eachcolumn tested toASTMD6730specifications
• GuaranteedPerformance:Temperature rangesup
to300°C forelutionofhigherhydrocarbons.
ID
df
temp. limits
length qty.
cat.#
0.20mm 0.50µm -60 to 300/340°C 50m ea.
10147
0.25mm 0.50µm -60 to 300/340°C 100m ea.
10148
0.25mm 1.00µm -60 to 300/340°C 150m ea.
10149
Rtx®-DHAColumns
(fusedsilica)
(Crossbond®100%dimethyl polysiloxane—
optimized for hydrocarbonanalysis)
Column: Rtx
®
-DHA, 100m, 0.25mm ID, 0.5µm (cat.# 10148) plus Rtx
®
-5DHA tuning
column, 2.62m, 0.25mm ID, 1.0µm, connected via Press-Tight
®
connector (cat.#
20446) Sample: custom detailed hydrocarbons analysis (DHA) mix, neat
For full analytical conditions, visit restek.com and search for GC_PC00743A
1. ethanol
2. C5
3.
tert
-butanol
4. 2-methylbutene-2
C5 efficiency: 613,596 total theoretical plates
k' (C5): 0.489
tert
-butanol skewness: 1.25
Resolution (
tert
-butanol/2-methylbutene-2): 5.60
GC_PC00743A
Rtx®-DHAcolumnproduces sharp
symmetrical alcohol peaks!
1
2
3
4
9
10
11
12min.
Meet&
exceedASTM
D6730,
including
alcohols!
• Complete resolutionofethanol andbenzene improvesaccuracyandallows
tighterprocesscontrol.
• Fullyconditionedcolumnset—ready touseoutof thebox.
• Eachcolumnset is tested formethodapplicabilityand includeschromatogram.
*Pleaseadd column configuration suffix number fromour catalog to
cat.#whenordering—seeour catalogorwebsite.
**The column set is designed toaccommodateboth valve injectionand/or
syringe injection. Column1 is configuredwitha2" inlet void to facilitateon-
column injection.The inlet is identifiedonboth column1and column2. Note:The
inlet of column2 is identified for proper orientation for connection to the valve.
(2 column set)**:
Column 1: 6' (1.8m),
1
/
8
" OD, 2.0mm ID, nonpolar Rtx-1
Column 2: 16' (4.9m),
1
/
8
" OD, 2.0mm ID, proprietary
packingmaterial
D3606ApplicationColumnSet
NEW!
D3606ColumnSet
OutperformsTCEPColumn forBenzeneAnalysis
Compound
Concentration
1. C7
61%
2. ethanol
10%
3. benzene
5%
4. 2-butanol (IS)
4%
5. toluene
20%
GC_PC01103
Baselineresolution
ofethanolandbenzene!
For a complete list of conditions, visit
ASTMD3606 Calibration Kit withMEK Internal
Standard
30673 (kit)
ASTMD3606 Calibration Kit with sec-Butanol
Internal Standard
30674 (kit)
Description
cat.#*
D3606 Application Column
(2 column set)**
83606-
Visit
for completeofferingofDHAStandards.
