M/s. Gulf Analytical Supplies FZE have an established presence of nearly a decade in the middle east market and have a dominant presence in the field of separation science comprising mainly of chromatography with more than thousand columns supplied in the Middle East.  With the help of application support and technical support from our principals, we are the pioneers in the field of column chromatography.
 
 
 

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eVol
   
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      pH - Conductivity Meter            

Products / SGE Analytical Science / Syringes And Accessories

Syringes and Accessories
Inner Diameter (ID):

The ID of the needle is selected to ensure minimal dead volume without compromising the ability of the syringe to draw normal viscosity samples. Medium to high viscosity samples should be diluted prior to use or a larger inside diameter needle selected.

Needle Tip Styles:

SGE has a variety of needle tip styles to suit a range of applications and uses.

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The standard general purpose needle tip style supplied with many SGE syringes is a 20 bevel tip. It is the preferred option for manual injection where piercing the septum in exactly the same place is difficult. The bevel tip is designed for optimum septum penetration and prevention of septum coring. Bevel tip needles are also known as point style 2.

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The cone shaped needle tip is specially developed to withstand multi injection demands and improve septum lifetime when used with an autosampler. The cone design effectively “parts” the septum during piercing instead of cutting it, as would a bevel needle. Cone tip needles are also known as point style AS for autosampler.

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Dual gauge needles have a narrow gauge at the tip suitable for megabore on-column injection. The wider gauge for the remainder of the needle gives increased strength to the needle for autosampler use.

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These needles are used for LC and HPLC valve injection and have a 90 square tip with rounded and polished edges. This eliminates damage to the valve's rotor seal and stator face. LC/HPLC tips are also known as point style 3. This needle tip style is a good choice for general liquid dispensing.

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