Med-shopping Thermo Fisher 302797 Each 1 Dionex Guardcap Nabottle caps, per pack 125indivual

Thermo Fisher 302797 Each 1 Dionex Guardcap Nabottle caps, per pack 125indivual

$692.26 / Parcel$824.11 Min.order：1

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Remove high concentrations of alkaline earths and transition metals and filter particulate matter without changing sample pH using Thermo Scientific™ Dionex™ Guardcap™ Na-type caps. Dionex Guardcap Na caps are designed for use with Thermo Scientific™ Dionex™ AS-DV autosampler plastic vials and contain sodium-form sulfonated strong cation exchange resin embedded in a high-density polyethylene matrix. Dionex Guardcap Na caps seamlessly integrate automated online sample preparation capabilities without adding labor, time or complexity.

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Quantity

Each Guardcap Na cap:

Removes 1000mg/L divalent cations (such as calcium or transition metals) from 800µL sample
Maintains sample pH constant.
Filters more than 80% of particles with a diameter exceeding 20µm.

Ideal for measuring pH-sensitive analytes

Some analytes (particularly nitrite) are affected by changes in pH caused by hydronium resins . Metals from samples to be determined for nitrite must be removed by sodium form resin to ensure quantitative recovery (> 99%).

Achieve superior analytical results with significantly reduced workload

Extend the life of analytical columns and suppressors by removing metals, matrix ions and particulates that can cause contamination.

Convenient and easy to use

Dionex Guardcap Na caps are available in common filter cap sizes for use with Dionex plastic bottles. Unlike traditional offline sample preparation columns, Dionex Guardcap Na-type caps do not require time-consuming pre-treatment procedures before use. Simply attach these functionalized caps to your vials and they are ready for use. Your sample is analyzed.

Limited Warranty Period: Subject to all warranty requirements and exclusions identified in our Terms and Conditions of Sale, This product is warranted for ninety (90) days from the date of shipment. Disclaimer of Restrictions on Use for Internal Research: Any restriction that a buyer may use a product solely for internal research does not apply to the product on the page to which this statement relates.