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IonPac TCC-LP1, TCC-ULP1, and TCC-XLP1
Product Manual

Page 14 of 17

Doc. No. 034973-06

September 2005

4.2.

Concentration in the Manual Mode

The following example demonstrates the advantages of sample concentration with low sensitivity detection versus
direct injection with high sensitivity detection.

Sample Loop Volume:

See Chromatogram

Concentrator Column:

TCC-LP1 4 x 35mm

Analytical Column:

IonPac CS14 Analytical Column

Eluent:

10 mM Methanesulfonic acid

Eluent Flow Rate:

1.0 mL/min

Injection Volume:

1.0 mL

SRS Suppressor:

Cation Self-Regenerating Suppressor, CSRS

-ULTRA

AutoSuppression

™

Recycle Mode

or AES Suppressor

Cation Atlas

Electrolytic Suppressor, CAES

or MMS Suppressor

Cation MicroMembrane Suppressor, CMMS

III

MMS Regenerant:

100 mN TBAOH (Use Dionex Cation Regenerant Solution P/N 039602)

Expected Background Conductivity:

< 2 µS

Expected System Operating Back Pressure:

< 1,300 psi (8.96 MPa)

Peaks

µg/L

(ppb)

Lithium

0.5

Sodium

2.0

Ammonium

2.5

Potassium 5.0

Magnesium

2.5

Calcium

5.0

FIGURE 9

Manual Concentration versus Direct Injection

Содержание IonPac TCC Series

Страница 1: ...IonPac TCC...

Страница 2: ...ptember 2005 PRODUCT MANUAL FOR TRACE CATION CONCENTRATOR TCC TCC LP1 Column Low Pressure 4 x 35 mm P N 063079 TCC ULP1 Column Ultra Low Pressure 5 x 23 mm P N 063783 TCC XLP1 Column Extremely Low Pre...

Страница 3: ...acity 10 4 EXAMPLE APPLICATIONS 13 4 1 Concentration in the Manual Mode 13 4 2 Concentration in the Manual Mode 14 5 TROUBLESHOOTING GUIDE 15 5 1 High Backpressure from a Contaminated Inlet Bed Suppor...

Страница 4: ...throughout this document to emphasize important points The symbols are shown below along with the purpose of the information SAFETY Safety information can help prevent bodily harm WARNING Warning inf...

Страница 5: ...CC ULP1 is less than 45 psi 0 31 MPa at 1 mL min and the TCC XLP1 is less than 30 psi 0 21 MPa at 1 mL min The large resin particle size 20 m in the TCC LP1 TCC ULP1 and TCC XLP1 makes it possible to...

Страница 6: ...ional Group Hydro phobicity TCC LP1 4 mm 20 55 260 eq col Carboxylic Acid Very low TCC ULP1 5 mm 20 55 260 eq col Carboxylic Acid Very low TCC XLP1 6 mm 20 55 260 eq col Carboxylic Acid Very low TABLE...

Страница 7: ...Column Description The IonPac Trace Cation Concentrator Low Pressure TCC LP1 4x35 mm and IonPac Trace Cation Concentrator Ultra Low Pressure TCC ULP1 5x23 mm columns consist of the following component...

Страница 8: ...ugh to ensure good quantification WARNING The flow direction during the concentration step is critical In order to ensure optimal system performance it is recommended that concentration always be perf...

Страница 9: ...IONEX September 2005 Figure 3 shows the configuration for sample loading using a Rheodyne valve FIGURE 3 Configuration for Determining Trace Levels of Cations Figure 4 shows the configuration for samp...

Страница 10: ...o 8 days Recommended storage vessels are Corning tissue culture flasks The following procedure should be used for storage of g L level samples A Rinse the polystyrene container and cap twice with deio...

Страница 11: ...he analytes on the ion exchange sites and result in their elution to waste during the loading process B Conversely qualitative analysis of ions with higher affinities for the resin in the presence of...

Страница 12: ...e rate at which the sample is loaded C The pH of the sample D The ionic strength of the sample E The amount and capacity of resin in the column The breakthrough volume is determined as follows A Prepa...

Страница 13: ...2005 DIONEX September 2005 FIGURE 6 Linearity Determinations for Concentrator Injection Time min that the simulated sample is pumped through the TCC LP1 TCC ULP1 or TCC XLP1 after the single ion injec...

Страница 14: ...thanesulfonic acid Eluent Flow Rate 1 0 mL min Injection Volume 1 0 mL Temperature 35 C SRS Suppressor Cation Self Regenerating Suppressor CSRS ULTRA AutoSuppression Recycle Mode MMS Regenerant 100 mN...

Страница 15: ...n Eluent 10 mM Methanesulfonic acid Eluent Flow Rate 1 0 mL min Injection Volume 1 0 mL SRS Suppressor Cation Self Regenerating Suppressor CSRS ULTRA AutoSuppression Recycle Mode or AES Suppressor Cat...

Страница 16: ...back on to the column Follow the instructions below to change the bed support assembly using one of the two spare bed support assemblies included in the ship kit provided with the column A Disconnect...

Страница 17: ...D Be sure that the eluents are made from chemicals with the recommended purity see Section 3 Operation E Be sure that the deionized water used to prepare the reagents has a specific resistance of 18...

Страница 18: ...he gradient pump Direct the effluent from the TCC LP1 TCC ULP1 or TCC XLP1 directly to a waste container C Set the flow rate to 1 mL min D Pump the 1 M HCl 0 1 M KCl solution through the column for 15...

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