250uL Micro Insert Flat Bottom Clear 31x5mm for 9mm HPLC Vials IV250
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250uL Micro Insert Conical Bottom Clear 31x5mm for 9mm HPLC Vials,IV250

Oct. 14th, 2021
Choosing the incorrect size of the autosampler vial insert can result in poor reproducibility between sample injections, damage to the autosampler needle, and an inadequate seal between the septum and the vial.
Aijiren offer the 250ul micro insert with concial bottom,the size is 31*5.7mm which is suit for 9mm vials.



The conical glass micro insert does not require a spring and can be placed directly in the sample bottle during injection. This is the most economical choice for microinjection. Compared to flat bottoms, the inner insert tube at the conical bottom has less residue and the bracket can be used for injection. The needle protects and raises the liquid level.



These types of small volume inserts are available for use with 2ml Autosampler screw-top vials. Made with high precision, these inserts offer reliability and will not contaminate your samples. Simply drop them into your autosampler vials for use.
These inserts are the best choice when using low volumes of biological or basic compounds that might interact or adsorb to borosilicate glass.
250ul micro insert is a common using type for 9mm autosampler vials.



Aijiren provides micro-insert  with complete specifications, including glass inserts, plastic inserts, 150ul/200ul/250ul/300ul. 2ml sample vial is matched, suitable for 8-425 HPLC Vials, 9-425 HPLC Vials, 10-425 Vials, 11mm Snap/Crimp Ring Vials. In order to meet your micro-injection needs, we provide a variety of micro-intubation tubes with different capacities and structures, which can convert the full volume into a limited volume in a simple step.



So any requirement about 250ul micro insert,please contact with us.Email: market@aijirenvial.com ; Whatsapp:+8618057059123

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