HAMILTON SampleLock Syringe
HAMILTON SYRINGE SELECTION GUIDE
Assured Accuracy and Precision
• When initially inserting a new plunger into a SampleLock syringe barrel, wet (lubricate) the tip with deionized water or another solvent compatible with the sample.
• When using a SampleLock syringe, grasp only the syringe flange and plunger button. By doing so, variations in fluid measurement due to body heat are avoided.
• Pump the plunger with the syringe needle immersed in the liquid or gas to be transferred. This will expel any trapped air in the needle and syringe, and provide sufficient lubrication to the plunger in the case of liquids. For extended plunger tip life, minimize the use of a “dry” syringe.
• Every SampleLock syringe is handcrafted to insure only the highest precision liquid and gas transfers. Barrels and plunger assemblies within a given volume range are interchangeable and may be purchased separately for field repair and replacement.
• If the plunger is accidently withdrawn completely from the syringe barrel, wipe it carefully with a lint-free tissue and re-wet it before reinserting into the barrel. Be careful with the plunger tip since any physical abrasions, scratches or oil from one’s fingers may cause the plunger to leak once re-assembled.
Cleaning
• The life of your SampleLock syringe is directly related to its cleanliness!
• To clean syringes, it is best to use solvents known to be effective in solvating the sample and preferably that are non-alkaline and non-phosphate. A biodegradable, non-phosphate, organic Cleaning Solution Concentrate is available from Hamilton; order part number 18311.
• High-quality water and acetone prove to be good rinses.
• To clean the plunger, remove it from the syringe barrel and gently wipe with a lint-free tissue. Reinsert the plunger into the barrel and pump deionized water or acetone through the needle and syringe. Air dry the syringe for storage.
Solvent Compatibility
Some solvents may attack and deteriorate the highly resistive adhesives (cements) used to affix the valves in SampleLock syringes. Avoid prolonged immersion of the syringe while cleaning. Rinse the syringe thoroughly after use with deionized water, acetone or another solvent compatible with the sample. Allow to air dry.
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