Post-Column Fixed

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Post-Column Fixed

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QuickSplit
Post-Column Fixed Flow Splitters

Post-column splitting is fairly straight forward. Like pre-column flow splitting, any significant additional pressure (resistance) down stream from the splitter may affect the split ratio. Post-column devices also contribute to chromatographic dispersion so care must given to connecting tubing and fittings, especially at low flow rates.  The pressure drop specification for both analytical and semipreparative fixed splitters is 500 PSI with water at a flow rate of 1.0 mL/min. and 20.0 mL/min. respectively.  Splitters are shipped complete with fluid resistors installed. Higher inlet flow rates may result in a larger pressure drop across the flow splitter. To assure a maximum pressure drop of 500 PSI across the splitter, please specify the inlet flow when the splitter is ordered.

Custom Split Ratios

Split ratios and resistor cartridges other than those listed below can be ordered from ASI to custom configure the QuickSplit Adjustable Flow Splitter. Please contact technical support at 800-344-4340 for additional information about custom splitters. We will gladly assist you in determining the best splitter configuration for your application.

QuickSplit Binary Fixed Flow Splitters

Analytical Splitters - Binary
Analytical range, 0.1mL/min. to 5 mL/min.  input flow

These splitters will produce under 500 PSI backpressure with water at 1 .0 mL/min.* The backpressure will decrease or increase in proportion to flow rate changes. In order to assure <500 PSI pressure drop across the splitter, please specify the inlet flow when you order.
Description     ASI Part Number
Analytical Fixed Flow Splitter, Post-Column Split Ratio = 2,000:1 620-PO1 0-03
Analytical Fixed Flow Splitter, Post-Column Split Ratio = 1,000:1 620-PO1 0-04
Analytical Fixed Flow Splitter, Post-Column Split Ratio = 500:1 620-PO1 0-05
Analytical Fixed Flow Splitter, Post-Column Split Ratio = 200:1 620-PO1 0-06
Analytical Fixed Flow Splitter, Post-Column Split Ratio = 100:1 620-PO1 0-07
Analytical Fixed Flow Splitter, Post-Column Split Ratio = 50:1 620-PO1 0-08
Analytical Fixed Flow Splitter, Post-Column Split Ratio = 20:1 620-PO1 0-09
Analytical Fixed Flow Splitter, Post-Column Split Ratio = 10:1 620-PO1 0-10
Analytical Fixed Flow Splitter, Post-Column Split Ratio = 5:1 620-PO1 0-1 1
Analytical Fixed Flow Splitter, Post-Column Split Ratio = 3:1 620-PO1 0-12
Analytical Fixed Flow Splitter, Post-Column Split Ratio = 1:1 620-PO1 0-13
Analytical Fixed Flow Splitter, Post-Column Split Ratio = Custom 620-PO1 0-CS

Analytical Replacement Resistor Sets - Binary

Description     ASI Part Number
Analytical Fixed Flow Splitter Resistor Set, Post-Column Split Ratio = 2,000:1 620-1110-03
Analytical Fixed Flow Splitter Resistor Set, Post-Column Split Ratio = 1,000:1 620-1110-04
Analytical Fixed Flow Splitter Resistor Set, Post-Column Split Ratio = 500:1 620-1110-05
Analytical Fixed Flow Splitter Resistor Set, Post-Column Split Ratio = 200:1 620-1110-06
Analytical Fixed Flow Splitter Resistor Set, Post-Column Split Ratio = 100:1 620-1110-07
Analytical Fixed Flow Splitter Resistor Set, Post-Column Split Ratio = 50:1 620-1110-08
Analytical Fixed Flow Splitter Resistor Set, Post-Column Split Ratio = 20:1 620-1110-09
Analytical Fixed Flow Splitter Resistor Set, Post-Column Split Ratio = 10:1 620-1110-10
Analytical Fixed Flow Splitter Resistor Set, Post-Column Split Ratio = 5:1 620-1110-11
Analytical Fixed Flow Splitter Resistor Set, Post-Column Split Ratio = 3:1 620-1110-12
Analytical Fixed Flow Splitter Resistor Set, Post-Column Split Ratio = 1:1 620-1110-13
Analytical Fixed Flow Splitter Resistor Set, Post-Column Split Ratio = Custom 620-1110-CS

Semi-Preparative Splitters - Binary
Semi-Prep range, 5mL/min. to 40 mL/min. input flow

These splitters will produce under 500 PSI backpressure with water at 20.0 mL/min. The backpressure will decrease in direct proportion to a decrease in flow rate. Flow rates higher than 20.0 mL/min. can be used, but may result in a higher pressure drop across the splitter. In order to assure <500 PSI pressure drop across the splitter, please specify the inlet flow when you order.
Description     ASI Part Number
Semi-Preparative Fixed Flow Splitter, Post-Column Split Ratio = 20,000:1 620-PO20-00
Semi-Preparative Fixed Flow Splitter, Post-Column Split Ratio = 10,000:1 620-PO20-01
Semi-Preparative Fixed Flow Splitter, Post-Column Split Ratio = 5,000:1 620-PO20-02
Semi-Preparative Fixed Flow Splitter, Post-Column Split Ratio = 2,000:1 620-PO20-03
Semi-Preparative Fixed Flow Splitter, Post-Column Split Ratio = 1,000:1 620-PO20-04
Semi-Preparative Fixed Flow Splitter, Post-Column Split Ratio = 500:1 620-PO20-05
Semi-Preparative Fixed Flow Splitter, Post-Column Split Ratio = Custom 620-PO20-CS
Does not come with mounting bracket. Mounting bracket is not available.

Semi-Preparative Replacement Resistor Cartridges - Binary

Description     ASI Part Number
Semi-Preparative Fixed Flow Splitter
High Flow Resistor Cartridge, Post-Column
Split Ratio = 20,000:1 620-11 20-00 H
Semi-Preparative Fixed Flow Splitter
High Flow Resistor Cartridge, Post-Column
Split Ratio = 10,000:1 620-1120-01 H
Semi-Preparative Fixed Flow Splitter
High Flow Resistor Cartridge, Post-Column
Split Ratio = 5,000:1 620-11 20-02 H
Semi-Preparative Fixed Flow Splitter
High Flow Resistor Cartridge, Post-Column
Split Ratio = 2,000:1 620-1 120-03H
Semi-Preparative Fixed Flow Splitter
High Flow Resistor Cartridge, Post-Column
Split Ratio = 1,000:1 620-1 120-04H
Semi-Preparative Fixed Flow Splitter
High Flow Resistor Cartridge, Post-Column
Split Ratio = 500:1 620-1 120-05H
Semi-Preparative Fixed Flow Splitter
High Flow Resistor Cartridge, Post-Column
Split Ratio = Custom 620-11 20-CSH

Preparative Splitters - Binary
Prep range, 30 mL/min. to 200 mL/min. input flow

These splitters will produce under 500 PSI backpressure with water at the specified inlet flow rate.* The backpressure will decrease or increase in proportion to flow rate changes. In order to assure <500 PSI pressure drop across the splitter, please contact ASI for assistance in configuring your Fixed Splitter prior to ordering.

Description     ASI Part Number
Preparative Fixed Flow Splitter, Post-Column Input Flow Range: 30 - 200 mL/min. Split Ratio = Custom 620-PO40-CS

Does not come with mounting bracket. Mounting bracket is not available.

Preparative Replacement Resistor Cartridge/Resistor Set - Binary

Description     ASI Part Number

Preparative Fixed Flow Splitter, Post-Column, High Flow Resistor Cartridge
Input Flow Range: 30 - 200 mL/min.

Split Ratio = Custom 620-11 40-CSH

High-Preparative Splitters - Binary
High-Prep range, 200 mL/min. to 1,000 mL/min. input flow

These splitters will produce under 500 PSI backpressure with water at the specified inlet flow rate.* The backpressure will decrease or increase in proportion to flow rate changes. In order to assure <500 PSI pressure drop across the splitter, please contact ASI for assistance in configuring your Fixed Splitter prior to ordering.

Description     ASI Part Number
High-Preparative Fixed Flow Splitter, Post-Column Input Flow Range: 200 - 1,000 mL/min. Split Ratio = Custom 620-PO60-CS

Does not come with mounting bracket. Mounting bracket order information.

High-Preparative Replacement Resistor Cartridge/Resistor Set - Binary

Description     ASI Part Number
High-Preparative Fixed Flow Splitter, Post-Column, Resistor Set
Input Flow Range: 200 - 1,000 mL/min.
Split Ratio = Custom 620-1160-CS

* Flow rates higher than the specified inlet flow rate can be used, but may result in a higher pressure drop across the splitter.

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