TUBULAR POTENTIOMETRIC DETECTOR FOR FLOW-INJECTION BASED ON HOMOGENEOUS CRYSTALLINE MEMBRANES SENSITIVE TO COPPER, CADMIUM AND LEAD

• Type: Article in International Scientific Journal
• Date: 1994

Authors

FERREIRA, IMPLVO (Author) FFUP; LIMA, JLFC (Author) FFUP

Journal

Title: The Analyst

Vol. 119

ISSN: 0003-2654

Publisher: Royal Society of Chemistry

Indexing

ISI Web of Knowledge - 23 Citations

Scopus - 23 Citations

Scientific classification

FOS: Natural sciences > Chemical sciences

Other information

Authenticus ID: P-001-KDG

Abstract (EN): Copper, cadmium and read potentiometric tubular detectors, based on homogeneous crystalline membranes obtained by high-pressure pressing of XS-Ag2S mixtures (X = Cu, Cd or Pb), were prepared and tested. Response characteristics (linear response range, limit of detection, stability and time of response, pH range and potentiometric selectivity coefficients) were established and compared with those of conventionally shaped electrodes prepared with the same membranes. The standards of performance of the tubular potentiometric detectors when used in low-dispersion manifolds were found to be similar to those of the corresponding conventional electrodes in batch conditions.

Language: English

Type (Professor's evaluation): Scientific