GFS has a long history with QUATS; our production of tetraalkylammonium perchlorates reflects the company's dominant market position in perchloric acid and inorganic perchlorate salts.

The GFS QUAT line now includes electrometric and Analytical Reagent Grade (EARG) products. The EARG line of high purity QUATS have characteristic properties that are of particular interest to chemists and technicians dealing with processes and protocols that have stringent purity requirements; this includes suitability for use as polarographic electrolytes and/or HPLC applications. Both methanolic and aqueous hydroxide solutions feature:

• very high alkalinity
• very low chloride
• virtual freedom from alkali metal impurities
• low ash

The EARG line fully complements the traditional GFS QUAT line, which has found widespread industrial and commercial use.

Some key examples and broader applications include:
• Bu₄NOH (TBA hydroxide) - supporting electrolyte; phase-transfer catalyst; titrant
• Bu₄N(H₂PO₄) (TBA phosphate) - ion-pair chromatography; buffering medium
• Me₄NCl (TMA chloride) - USP/NF polarographic test reagent; catalyst; inhibitor
• Me₄NOH (TMA hydroxide) - synthetic intermediate; precipitant; etchant; catalyst
• Et₄NPF₆ (TEA hexafluorophosphate) - fluoriding agent; biocide precursor

Many other products are available in various purities, and we make custom formulations on a regular basis. The chemical literature reflects a broad and ongoing interest in QUATS, including the perchlorate salts.

 Electroanalytical studies of tetraethylammonium perchlorate solutions have elucidated the nature of cation adsorption at mercury electrodes.

A wide range of tetrabutylammonium perchlorate solutions have been examined for conductometric and dielectric behavior.

 Electronic conduction has also been used to study the behavior of the nitrobenzene anion radical in the presence of tetrabutylammonium perchlorate in solid nitrobenzene.

In the final analysis, it's all part of the greater product selection and personal service that you've come to expect from GFS.

1. Journal of Electroanalytical Chemistry 1989, vol.270 pp. 381-393. 2. Acta Chemica Scandanavia 1989, vol.43, pp. 103-115. 3. Bulletin of the Chemical Society of Japan 1989, vol.62, pp. 3413-3416.

Contact inorganicdevelopment@gfschemicals.com for more information or call 1-877-534-0795.