The Measure of Excellence SampleLockTM The HAMILTON SampleLockTM Syringes syringes allow you to collect, store, transport and analyze liquid or gaseous samples without


the danger of evaporative loss or environmental contamination. Syringes are available in sizes ranging from 50 µl to 100 ml. An easy-to-use twist valve and a positive rear stop on SampleLock prevents loss of sample and plunger blowout. Optional male luer and female luer lock adapter threads on the SampleLockTM


valve making the syringes compatible with


a multitude of connectors and fittings. Typical applications are:


• Headspace application • Environmental sample collection and storage • Pre-pressurization of gaseous sample for GC analysis • Injection of internal standards through the valve port into samples • Sample spiking


Tech Tip


Sample Pre-Pressurization Obtain reproducible results during GC quantitation of gaseous samples by pressurizing the syringe contents prior to injection.


1. 2.


With the SampleLockTM valve closed, depress the syringe plunger and hold it in position.


Insert the needle into the injection valve and open the SampleLockTM to release the sample onto the head of the column.


valve while depressing the plunger


This technique produces a positive injection pressure over the column inlet, prevents sample loss from blowback, and ensures a tighter sample plug. Please exercise care when pre-pressurizing small volume SampleLockTM as it is easy to develop pressures in excess of 250 psig, which may cause the valve to leak.


syringes


1700 SampleLockTM Ordering information


Syringes


RN removable needle pst2 * 51


80956


81056 * Only RN needles usable for syringe volume 250 µl to 10 ml. T H E ME A S U R E O F E X C E L L E N C E TM - 36 -


81156


81256


Needle length mm


Volume 50 µl Model 1705 Gauge 22s


Volume 100u µl Model 1710 Gauge 22s


Volume 250 µl Model 1725 Gauge 22s


Volume 500 µl Model 1750 Gauge 22


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