automated solid phase extraction for sample preparation in environmental, forensic, and pesticide residue analysis, spe, cleanup,clean up, automated SPE     

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Automation of solid phase extraction for pesticide residue and environmental analysis

 Below are 3 types of automatic solid phase extraction instruments targeting different application fields. SPE-01 is designed for analysis of pesticide 
and drug residues in food samples. SPE-03 is designed for solid phase extraction of large volume water samples.


SPE-01 Cleanup Station



SPE-04 Cleanup Station


SPE-03 4-channel Cleanup Station

Common features                    Video for SPE-01                    Video for SPE-04

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 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.
Suitable 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/min) 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 (cm)   
 width x depth x height 		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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