1. Enviro-Clean®
Technical Training
Summer 2012
Quality Points

2. Enviro-Clean?
• EC products are designed and marketed
especially for Environmental and Agricultural
Testing Labs
• They should be sold whenever the customer
needs a “cleaner” product

3. What do we mean by “cleaner”?
• EC is cleaner
– Clean frits (Teflon)
– No detectable plasticizers from cartridge
– Cleaner sorbent (C18 and silica gel)
• EUSIL, EUC18 and EEC18
– Cleaner packaging
• Mylar
• glass
• Designed to meet or exceed the needs of the
customer (Quality)

4. TEFLON STOPCOCKS

5. Universal Cartridges
5

6. Universal Cartridges
6

7. Used on Automated Systems
7

8. Universal Cartridge Accessories
• Disk Manifolds
• Bottle holders
• Vacuum Pump
• Vacuum Trap
• Cartridge adapters to manifold
8
JT Baker Manifold Adapter

9. Oil & Grease Analysis
Universal Cartridge
EPA Method 1664A and 1664B
• Integral depth prefilter
• 3 gram capacity
• Reduced solvent usage
• No emulsions with SPE
• Flow rates as fast as 500 ml/min
• Increased analytical
accuracy when compared to LLE
Cartridge ECUNIOGXF

10. QuEChERS - Why Use UCT Products?
• Save valuable laboratory
time using a commercially Dispersive Cleanup
prepared product Products
• Reduced variability &
consistent products due
to rigorous quality control
• Cleaner extracts

11. Chromatograms show differences between
in-lab & UCT prepared products
Unspiked Honey Extracts

12. Sample Cleanliness Comparison
in-house (UCT) vs user lab preparation
Summary Comparison of Sample Cleanliness
120 113
Milk
100
82
# of GC Peaks
80
60
Soybean
40 Honey
22
17
20
6 5
0
UCT USDA UCT USDA UCT USDA

13. What are the white specks? Do we need ceramic
homogenizers?
13
Slide courtesy of Frank Schenck, FDA