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OFFLINE SAMPLE PREPARATION         SAMPLE PREPARATION
 
 
Offline Sample Preparation
 
There are 3 types of automatic solid phase extraction instruments targeting different application fields.
The Model SPE-01 is designed for analysis of pesticide and drug residues in food samples.
The Model SPE-03 is designed for solid phase extraction of large volume water samples.
 
FEATURES:
 
1) Full Automation:
Use methods and sequence to automate all the procedures for the cleanup. A typical method will first condition the column, and then load sample to the column.
Several steps of elution using different solvents are followed and target fractions are collected for instrumental determination. The instruments can store up to 3 methods for handling different samples or for cleaning system to avoid cross contamination.
 
2) Small Footprint and Computer-Free Operation:
The instrument has a small footprint and does not need computer. It helps to save precious laboratory space. When volatile or toxic solvents (Such as hexane, acetone, and petroleum ether) are used, the instrument can be conveniently place in a fume hood.
 
3) Use Commonly Available SPE Columns:
There is no need for special caps or adapters for the columns. Even self-packed columns can be sued.
 
COMPARISON:

SPECIFICATIONS

MODEL
SPE-01
SPE-04
SPE-03
Sample Capacity
6 per batch
18 or 41  per batch
4  per batch
No. of  Fraction Per Sample
2
2
1 with separated collection for water waster and solvent waste
Volume of Sample (mL)
0.5-100
0.5-20
1- 5000
Process Mode Single pump. Process samples sequentially Single pump. Process samples sequentially Four pumps. Process 4 samples simultaneously
Applications Food samples and soil samples Food samples and biological samples Water samples
Material of Wetted Parts Teflon, PEEK, and Pyrex glass Teflon, PEEK, and Pyrex glass Teflon, PEEK, and Pyrex glass
System Control Micro controller with keypad Micro controller with keypad Micro controller with keypad
Pump Flow Rate (mL per minute)
1 - 20
1 - 20
1 - 35
Pump Pressure Limit (Bar)
6
6
6
Pump Reproducibility (CV%)
<1.5
<1.5
<1.5
Weight (Kg)
12.5
7.0
12.5
Dimension  W x D x H cm
34 x 34 x 45
34 x 42 x 35
34 x 34 x 45
Special Features Use up to 12-mL SPE  column, or self packed column. Fraction volume up to 50 mL. Upgradeable to 3-in-1 SPE for online SPE and sample injection. Automatic needle wash. Built-in air pump for drying of SEP column.
There is no need for a gas cylinder, blockage detection and smart handling.
 
 
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