Dionex ASE 100 User manual

ASE 100®
ACCELERATED SOLVENT EXTRACTOR
OPERATOR'S MANUAL
© 2002 Dionex Corporation
Document No. 031842
Revision 01
May 2002

©2002 by Dionex Corporation
All rights reserved worldwide.
Printed in the United States of America.
This publication is protected by federal copyright law. No part of this publication
may be copied or distributed, transmitted, transcribed, stored in a retrieval system, or
transmitted into any human or computer language, in any form or by any means,
electronic, mechanical, magnetic, manual, or otherwise, or disclosed to third parties
without the express written permission of Dionex Corporation, 1228 Titan Way,
Sunnyvale, California 94088-3603 U.S.A.
DISCLAIMER OF WARRANTY AND LIMITED WARRANTY
THIS PUBLICATION IS PROVIDED “AS IS” WITHOUT WARRANTY OF
ANY KIND. DIONEX CORPORATION DOES NOT WARRANT,
GUARANTEE, OR MAKE ANY EXPRESS OR IMPLIED
REPRESENTATIONS REGARDING THE USE, OR THE RESULTS OF THE
USE, OF THIS PUBLICATION IN TERMS OF CORRECTNESS, ACCURACY,
RELIABILITY, CURRENTNESS, OR OTHERWISE. FURTHER, DIONEX
CORPORATION RESERVES THE RIGHT TO REVISE THIS PUBLICATION
AND TO MAKE CHANGES FROM TIME TO TIME IN THE CONTENT
HEREINOF WITHOUT OBLIGATION OF DIONEX CORPORATION TO
NOTIFY ANY PERSON OR ORGANIZATION OF SUCH REVISION OR
CHANGES.
TRADEMARKS
AutoSeal™ is a trademark and ASE®100 is a registered trademark of Dionex
Corporation.
Teflon®and Viton®are registered trademarks of E. I. duPont de Nemours &
Company.
PRINTING HISTORY
Revision 01, May 2002

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Contents
1 • Introduction
1.1 Overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .1-1
1.2 About This Manual . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .1-3
1.2.1 Typefaces . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .1-4
1.2.2 Safety Messages and Notes . . . . . . . . . . . . . . . . . . . . . . . . . . .1-4
1.3 Safety Labels . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .1-6
2 • Description
2.1 Operating Features . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .2-1
2.1.1 Control Panel Screen . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .2-3
2.1.2 Control Panel Keypad . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .2-4
2.1.3 Extraction Cells and Rinse Cells . . . . . . . . . . . . . . . . . . . . . . .2-6
2.1.4 Collection Bottle . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .2-7
2.1.5 Solvent Bottle . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .2-8
2.1.6 Waste Bottle . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .2-9
2.2 Rear Panel . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .2-9
2.3 Extraction Process . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .2-11
2.4 Method Control . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .2-13
2.5 Preprogrammed Methods . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .2-14

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3 • Operation and Maintenance
3.1 Preparing to Run an Extraction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-1
3.1.1 Selecting and Preparing Solvent . . . . . . . . . . . . . . . . . . . . . . . 3-1
3.1.2 Filling the Solvent Bottle . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-3
3.1.3 Preparing the Sample . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-5
3.1.4 Installing the Cell Filter . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-7
3.1.5 Filling the Cell . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-9
3.1.6 Installing the Collection Bottle . . . . . . . . . . . . . . . . . . . . . . . 3-11
3.1.7 Rinsing/Priming the System . . . . . . . . . . . . . . . . . . . . . . . . . 3-12
3.2 Editing a Custom Method (1–24) . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-13
3.3 Guidelines for Method Development . . . . . . . . . . . . . . . . . . . . . . . . . 3-17
3.4 Running an Extraction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-20
3.5 Post-Extraction Procedures . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-24
3.5.1 Cleaning the Cells . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-24
3.5.2 Processing Extracts . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-24
3.6 Aborting a Run . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-25
3.7 Routine Maintenance . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-26
3.7.1 Daily Maintenance . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-26
3.7.2 Periodic Maintenance . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-26
3.8 Shutdown . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-27

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4 • Troubleshooting
4.1 Error Messages . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .4-1
4.2 Liquid Leaks . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .4-8
4.3 Gas Leaks . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .4-10
4.4 System Stops . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .4-10
5•Service
5.1 Replacing the Seal in the Cell End Cap . . . . . . . . . . . . . . . . . . . . . . . . .5-2
5.2 Replacing the Cell O-Ring . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .5-4
5.3 Removing the Right Side Panel . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .5-5
5.4 Cleaning and/or Replacing Pump Check Valves . . . . . . . . . . . . . . . . . .5-8
5.4.1 Removing the Pump . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .5-8
5.4.2 Removing the Check Valves . . . . . . . . . . . . . . . . . . . . . . . . .5-10
5.4.3 Cleaning the Check Valves . . . . . . . . . . . . . . . . . . . . . . . . . .5-10
5.4.4 Reinstalling the Inlet Check Valve . . . . . . . . . . . . . . . . . . . . .5-10
5.4.5 Reinstalling the Outlet Check Valve . . . . . . . . . . . . . . . . . . .5-11
5.4.6 Reinstalling the Pump . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .5-11
5.4.7 Completing the Procedure . . . . . . . . . . . . . . . . . . . . . . . . . . .5-11
5.5 Replacing the Piston Seal . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .5-12
5.5.1 Removing the Pump . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .5-12
5.5.2 Replacing the Piston Seal . . . . . . . . . . . . . . . . . . . . . . . . . . . .5-13
5.5.3 Reinstalling the Pump . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .5-14
5.5.4 Completing the Procedure . . . . . . . . . . . . . . . . . . . . . . . . . . .5-14
5.6 Replacing the Relief Valve . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .5-15

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5.7 Replacing the Static Valve . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-18
5.8 Replacing the Source Needle . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-20
5.9 Replacing the Solvent Outlet Line . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-23
5.10 Replacing the Lower AutoSeal Tip . . . . . . . . . . . . . . . . . . . . . . . . . . 5-29
5.11 Replacing the Main Power Fuses . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-34
A • Specifications
A.1 Physical . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .A-1
A.2 Environmental . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .A-1
A.3 Electrical . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .A-1
A.4 Pneumatic . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .A-2
A.5 Front Panel Display and Keypad . . . . . . . . . . . . . . . . . . . . . . . . . . . . .A-2
A.6 Extraction Cells . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .A-2
A.7 Collection Bottles . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .A-2
A.8 Interior Components . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .A-2
B • Installation
B.1 Facility Requirements . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .B-1
B.2 Installation Instructions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .B-2
B.2.1 Nitrogen Connections. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .B-2
B.2.2 Electrical Connections . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .B-4
B.2.3 Checking Pressure Readings . . . . . . . . . . . . . . . . . . . . . . . . . .B-6
B.2.4 Solvent Bottle Connections . . . . . . . . . . . . . . . . . . . . . . . . . . .B-8
B.2.5 Waste Bottle Installation . . . . . . . . . . . . . . . . . . . . . . . . . . . .B-10

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B.2.6 Rinsing the System . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . B-11
B.2.7 Adjusting the Cell Holder . . . . . . . . . . . . . . . . . . . . . . . . . . . B-13
B.2.8 Inspecting the Cell. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . B-15
B.2.9 Completing the Installation. . . . . . . . . . . . . . . . . . . . . . . . . . B-16
C • User Interface
C.1 Operational Screens . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . C-2
C.1.1 Main Screen. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . C-2
C.1.2 Status Screen. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . C-3
C.1.3 Setup Screen . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . C-4
C.1.4 Method Editor Screen . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . C-7
C.2 Diagnostic Screens . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . C-9
C.2.1 Diagnostics Screen . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . C-9
C.2.2 Sensors Screen. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . C-10
C.2.3 Regulators Screen . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . C-11
C.2.4 Hydrocarbon Sensor Screen . . . . . . . . . . . . . . . . . . . . . . . . . C-12
C.2.5 Extraction Counters Screen. . . . . . . . . . . . . . . . . . . . . . . . . . C-13
C.2.6 Moduleware Screen. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . C-14
D • Reordering Information

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1 • Introduction
1.1 Overview
The ASE®100 Accelerated Solvent Extractor is a system for extracting either
organic or inorganic compounds from a variety of solid and/or semisolid samples.
The ASE 100 accelerates the traditional extraction process by using solvent at
elevated temperatures and pressures. Pressure is applied to the sample extraction
cell to maintain the heated solvent in a liquid state during the extraction. After
heating, the extract is flushed from the sample cell into a collection bottle and is
ready for analysis.
Figure 1-1. ASE 100 Accelerated Solvent Extractor

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The ASE 100 is designed to minimize the amount of solvent used without
sacrificing the speed of extraction or ease of operation. Samples are extracted one
at a time, and the extraction process is typically completed in 15 to 25 minutes.
All functions are controlled from the ASE 100 front panel.
Built-in safety diagnostics monitor the system during operation. If a problem
occurs, the front panel displays an error message that identifies the problem. In
addition, the method currently running is aborted and basic system functions are
shut down until the situation is corrected.
The ASE 100 is available in four product versions:
Each ASE 100 is shipped from Dionex with two extraction cells in the sizes
indicated above, one rinse cell in the required size, and 12 collection bottles.
Ordering Extraction Cells in Other Sizes
The ASE 100 accommodates four extraction cell sizes (10 mL, 34 mL, 66 mL, or
100 mL). To perform an extraction with a cell in any size other than the size
included with your system, order the appropriate cells from Dionex. Cells are
available individually and in packages of six. For cell descriptions and part
numbers, see Appendix D of this manual.
Note that installation of a different extraction cell will require a few additional
changes:
_Reposition the cell holder to accommodate the new extraction cell size, if
required. For instructions, refer to Section B.2.7.
_Order a new rinse cell, if required. The rinse cell size must be matched to the
extraction cell size. For details, see Section 2.1.3.
_Before beginning an extraction, specify the new cell size on the SETUP screen
(see Section C.1.3).
Product Description Part Number
ASE 100 with 10 mL extraction cells 059700
ASE 100 with 34 mL extraction cells 059701
ASE 100 with 66 mL extraction cells 059702
ASE 100 with 100 mL extraction cells 059703

1 • Introduction
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1.2 About This Manual
Chapter 1
Introduction Presents a brief overview of the ASE 100 Accelerated
Solvent Extractor. Explains the meaning of safety
messages and icons in the manual and safety labels on the
instrument.
Chapter 2
Description Describes the physical aspects of the ASE 100: the front
panel controls, rear panel connections, electronics, and
mechanical components. Briefly describes the extraction
process.
Chapter 3
Operation and
Maintenance
Describes key operating features and how to create, edit,
and run methods. Lists routine preventive maintenance
requirements.
Chapter 4
Troubleshooting Lists possible causes of minor problems, as well as step-
by-step procedures to resolve them.
Chapter 5
Service Contains step-by-step instructions for routine service and
parts replacement procedures.
Appendix A
Specifications Lists the ASE 100 specifications and installation site
requirements.
Appendix B
Installation Describes how to install the ASE 100.
Appendix C
User Interface Illustrates and describes all of the display screens selected
from the ASE 100 front panel.
Appendix D
Reordering
Information
Lists names and part numbers for spare parts for the ASE
100.

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1.2.1 Typefaces
Uppercase bold type indicates an ASE 100 front panel button, the name of
a screen, or an on-screen entry. For example:
_Press RINSE to start the rinse cycle.
_The MAIN screen has four options.
_Move the cursor to the SAVE field.
1.2.2 Safety Messages and Notes
This manual contains warnings and precautionary statements that can
prevent personal injury and/or damage to the ASE 100 when properly
followed. Safety messages appear in bold type and are accompanied by
icons, as shown here.
Indicates an imminently hazardous situation which, if not avoided, will
result in death or serious injury.
Indicates a potentially hazardous situation which, if not avoided, may
result in death or serious injury.
Indicates a potentially hazardous situation which, if not avoided, may
result in minor or moderate injury.
Indicates that the function or process of the instrument may be
impaired. Operation does not constitute a hazard.

1 • Introduction
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Messages d’avertissement en français
Warnhinweise in Deutsch
Informational messages also appear throughout this manual. These are
labeled NOTE and are in bold type.
NOTE NOTES call attention to certain information. They alert
the user to an unexpected result of an action, suggest
how to optimize instrument performance, etc.
Signale une situation de danger immédiat qui, si elle n'est pas évitée,
entraînera des blessures graves à mortelles.
Signale une situation de danger potentiel qui, si elle n'est pas évitée,
pourrait entraîner des blessures graves à mortelles.
Signale une situation de danger potentiel qui, si elle n'est pas évitée,
pourrait entraîner des blessures mineures à modérées. Également
utilisé pour signaler une situation ou une pratique qui pourrait
gravement endommager l'instrument mais qui n'entraînera pas de
blessures.
Bedeutet unmittelbare Gefahr. Mißachtung kann zum Tod oder
schwerwiegenden Verletzungen führen.
Bedeutet eine mögliche Gefährdung. Mißachtung kann zum Tod oder
schwerwiegenden Verletzungen führen.
Bedeutet eine mögliche Gefährdung. Mißachtung kann zu kleineren
oder mittelschweren Verletzungen führen. Wird auch verwendet, wenn
eine Situation zu schweren Schäden am Gerät führen kann, jedoch
keine Verletzungsgefahr besteht.

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1.3 Safety Labels
The TUV GS, C, US Mark safety label and the CE Mark label on the ASE 100
indicate that the ASE 100 is in compliance with the following standards: EN
61010-1:1993 (safety), CAN/CSA-C22.2 No. 1010.1-92 (safety), UL 3101-
1/10.93 (safety), EN 50082-1:1992 (susceptibility), and EN 55011:1991
(emissions).
The symbols below appear on the ASE 100 or on ASE 100 labels.
Alternating current
Protective conductor terminal
Power supply is on
Power supply is off
Hot surface
b

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2 • Description
_Section 2.1 and Section 2.2 describe key operating features and components
of the ASE 100.
_Section 2.3 describes the extraction process of the ASE 100.
_Section 2.4 describes method control of the ASE 100.
_Section 2.5 lists the operating parameters for preprogrammed methods.
2.1 Operating Features
Figure 2-1 illustrates the main operating features of the ASE 100.
Figure 2-1. ASE 100 Key Operating Features

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Control Panel
The ASE 100 control panel includes a display screen and a membrane keypad
with seven buttons. For more information about the display screen, refer to
Section 2.1.1. For a description of the keypad buttons, refer to Section 2.1.2.
Cell Holder
Before a sample extraction or a rinse cycle is performed, an extraction cell or rinse
cell, respectively, must be installed in the cell holder on the inside of the cell door.
To access the cell holder, push down on the OPEN lever (to release the door latch)
and pull open the door.
Oven
The oven is located behind the cell door. This area also houses the AutoSeal™
tips, which seal the cell during an extraction. A pull-out drip tray is installed
below the oven to collect any liquid leaks that may occur during an extraction or a
rinse cycle.
Needle Mechanism
The needle mechanism includes a source needle and two vent needles. The
UP/DOWN toggle switch controls the position of the needles. When the needles
are in the “down” position, they pierce the collection bottle septum, allowing the
extract to flow from the extraction cell into the collection bottle. The vent needles
are connected to the waste bottle cap and the system vent to allow displaced gases
to escape.
Solvent Bottle
A 1-liter or 2-liter solvent bottle is installed in a recess on top of the ASE 100. The
recess contains a plastic liner to contain any solvent leaks or spills that may occur.
Waste Bottle
The waste bottle is a 250 mL collection bottle that is sealed with a special cap
assembly. The waste bottle cap is connected to the vent needles. This allows
excess solvent vapors to condense and be collected in the waste bottle before
being vented out the ASE 100 rear panel.
Collection Bottle
After each extraction, the 250 mL collection bottle contains solvent and the
analytes extracted from the sample.

2•Description
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2.1.1 Control Panel Screen
The control panel screen displays status and operating information for the
ASE 100. Use the screen, in conjunction with the control panel keypad
(see Section 2.1.2), to control ASE 100 operation.
You can edit any field on the screen that contains a blinking cursor. A field
without a blinking cursor is for display only.
Figure 2-2. ASE 100 Control Panel

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2.1.2 Control Panel Keypad
Use the control panel keypad, in conjunction with the control panel screen
(see Section 2.1.1), to control ASE 100 operation.
Three of the control panel buttons (START, RINSE, and STOP) let you
directly control the most frequently used functions.
The four screen navigation buttons (MENU, ENTER, the up arrow, and the
down arrow) are used in conjunction with the ASE 100 display to access
less frequently used functions. The action of the navigation keys depends
on whether the cursor is in normal mode or editing mode:
Button Function
Starts the currently selected method. The LED starts flashing
when the oven is within 5 °C of the set point. During the
method run, the LED is lighted, but does not flash. When the
method finishes running (or is aborted), three beeps are
emitted and the LED turns off.
Starts a rinse cycle in which about 5 mL of solvent is pumped
through the system. During the rinse cycle, the LED is
lighted. When the rinse cycle is complete (or is aborted),
three beeps are emitted and the LED turns off.
Note: Always install a rinse cell and a rinse bottle before
starting a rinse cycle; see Section B.2.6 for instructions.
Interrupts the currently running method or rinse cycle and
displays the ABORT screen. Pressing the button lights the
LED. The LED turns off when you select an option on the
ABORT screen; see Section 3.6 for details.
In normal mode, the cursor does not blink and looks like
this.
In editing mode, the cursor blinks and looks like this.
You can edit any field that contains a blinking cursor.

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Button Function
Normal mode: Exits the screen currently displayed and
returns to the screen one level up in the hierarchy. For
example, if the METHOD EDITOR screen is displayed,
pressing MENU returns you to the MAIN screen. See
Figure C-1 for an overview of the screens.
Editing mode: Rejects your editing change in a field and
reverts to the previously selected parameter.
Normal mode: Selects the field the cursor is currently
pointing to. On the MAIN or DIAGNOSTICS screen, this
selects and displays a different screen. On other screens,
pressing ENTER moves the cursor from the left margin to the
first field in that line that can be edited; it also changes the
normal cursor into the blinking editing cursor.
Editing mode: Saves the parameter currently displayed in a
field.
Normal mode: Moves the cursor, in the direction of the arrow,
to the next selectable line on the display (if any).
Editing mode: Pressing and releasing an arrow button
displays the next or previous parameter or numeric value
allowed for the field. Pressing and holding down an arrow
button moves the cursor continuously through the allowed
settings.

ASE 100 Operator’s Manual
2-6 Doc. 031842-01 5/02
2.1.3 Extraction Cells and Rinse Cells
Extraction Cells
ASE 100 extraction cells are available in four sizes: 10 mL, 34 mL,
66 mL, and 100 mL. Interchangeable end caps screw onto each end of the
cell body. Each cell end cap contains a stainless steel frit and a seal.
During a run, the cell caps are compressed to form a tight seal between
the caps and the cell body.
An O-ring is installed on the outside of each cell cap. Teflon®O-rings
(P/N 049457, pkg. of 50) are standard. Viton®O-rings (P/N 056325, pkg.
of 50) are available for high temperature extractions, such as dioxins.
Note that only cell end caps with two knurled bands can be used with the
ASE 100 (see Figure 2-3).
Always tighten cell end caps by hand. Use of a wrench or other
tool can damage the cell, as well as the seal inside the cell cap.
If a Viton (black) O-ring is installed on the outside of the cell
cap, do not use acetone as the solvent for an extraction.
Cell end caps with two knurled bands can be installed in either
the ASE 100 or ASE 300 Accelerated Solvent Extractor.
However, end caps with one knurled band can only be used
with the ASE 300.
Figure 2-3. Knurling on Cell End Caps