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Optional Accessories

Options for Solvent Delivery Units
Automatic Rinsing Kit

20AD Automatic Rinsing Kit (228-45567-91) These optional kits are used to continuously, automatically rinse the
20AT Automatic Rinsing Kit (228-45568-91) backs of the plunger seals and plunger units. They wash away the salt
20AB Automatic Rinsing Kit(228-18803-92) that is deposited on the surfaces of the seals and plungers when buffer
solution is used as the mobile phase, thereby helping to prolong the
service life of these parts.
* The automatic rinse kit for
the LC-20AB is shown in the There are kits for use with the LC-20AD, the LC-20AT, and the LC-20AB.
photograph.
Mixer
Mixer 0.5-2.6 mL HP (228-45093-93) These gradient mixers offer superior mixing performance. Mixing
Mixer 100 µL HP (228-35830-93) volumes of 0.5 mL, 1.7 mL, and 2.6 mL can be selected for the Mixer
20A Bio-inert Mixer (228-45093-92) 0.5-2.6 mL HP. The mixing volume for the Mixer 100 μL HP is 100 μL.
Preparative Mixer (228-20600-91) The 20A bio-inert mixer incorporates PEEK resin and ceramic for use with
* The Mixer 0.5-2.6 mL HP is
shown in the photograph. 6AD Preparative Mixer (228-20738-92) bio-inert systems, and two mixing volumes can be selected. There are
also mixers for preparative applications.

MR 20 µL Mixer for UHPLC Reducing the gradient delay volume is reguired in ultra high speed
MR 40 µL Mixer for UHPLC (UHPLC) analysis. The mixer for UHPLC performed to minimize the
MR 100 µL Mixer for UHPLC gradient delay volume and optimize the mixing performance. When
MR 180 µL Mixer for UHPLC using the LC/MS system, use the MR 20 μL. When using no formic acid,
acetic acid, or trifluoroacetic acid (TFA), use the MR 40 μL.
When using formic acid and acetic acid, use the MR 100 μL. When using
TFA, use the MR 180 μL. There are lineup of suitable mixers for purpose.

DGU-10B (228-45067-93) Helium Degassing Unit
This degasser purges dissolved air from the mobile phase and prevents phenomena such as bubble formation,
baseline noise, and drift. The DGU-10B can degas up to four mobile phase solutions with helium gas. It is
turned ON/OFF from the solvent delivery unit or system controller.

Options for Chemical Reaction Units
CRB-6A (228-45065-XX) Chemical Reaction Chamber
This air circulation-type reaction chamber is used for post-column derivatization.
Temperature-control range: Between 15°C above room temperature and 150°C
Temperature-control precision: ±0.1°C (100V operation only)

Options for Sample Injection Units
Sample Injectors Optional Loops
Volume Material Part Number
Rheodyne 7725 (228-32210-91) For general analysis SUS 228-32211-16
100 μL
Rheodyne 7725i (228-32210-93) For general analysis PEEK 228-32651-16
SUS 228-32211-17
Rheodyne 8125 (228-23200-91) For semi-micro systems 200 μL PEEK 228-32651-17
SUS
Rheodyne 9725 (228-32650-91) For bio-inert LC systems 500 μL PEEK 228-32211-18
228-32651-18
* The Rheodyne 7725i/9725i
incorporates a Rheodyne 9725i (228-32650-93) For bio-inert LC systems 1 mL SUS 228-32211-19
position-sensing switch. PEEK 228-32651-19
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