Blunt – often times used for HPLC injections, TLC, or general liquid handling.Beveled – mainly used for GC when you need to pierce a septum.There are four different point styles to syringe needles: Gastight syringes have an inert PTFE plunger tip that creates a gastight seal, so they’re ideal for long dispense times, heterogeneous solutions, or viscous liquids. You’ll typically only see microliter syringes used for HPLC, whereas gastight syringes are used for both GC and HPLC. The most common types of syringes for analytical (chromatography) purposes are microliter and gastight. When choosing an HPLC or GC syringe, you need to consider the syringe type, point style, gauge, and termination. I’ve had many customers come to me unsure of what syringe they should use, unaware of what options there are." Where to start.
"Choosing the right syringe for your application can cause some uncertainty. I’ve had many customers come to me unsure of what syringe they should use, unaware of what options there are. However, choosing the right syringe for your application can cause some uncertainty. For this reason, syringes are often found in the drawers of standard laboratories. In order to analyze a sample mixture on an LC column or GC column, the sample must be introduced into the flow path, and syringes make that possible. Syringes are an essential part of HPLC and GC systems.
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