OI Analytical

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LV-20 Standards Addition Module

Automatically adds internal standards, surrogate or matrix spike standards at operator-defined intervals
Significantly reduces the volume of standards used in GC-MS analysis
Amber glass reservoirs protect standards from UV light degradation
Mounts directly on top of a 4551A autosampler
Dry erase panel for noting standards in use on the instrument
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The LV-20 Standards Addition Module is an option for the 4551A autosampler that injects programmed volumes (1, 2, 5, 10, or 20 microliters) of internal standard, surrogate or matrix spike standards to improve the accuracy and precision of GC-GC-MS analyses.

The LV-20 is equipped with high-speed injection valves that minimize standard usage and decrease laboratory operating costs for expensive standards. The high-speed injection valves inject user programmed volumes of standard with no excess overfill volume that fixed-loop based systems require to operate.

All LV-20 functions are programmed using the touchscreen and Windows® CE software on the Eclipse 4660 purge-and-trap sample concentrator.