A seawater pH determination method using a BDJ detector

Measurement Science and Technology

Volumn 9, Issue 9, 1998, Pages 1587-1592

  Sedjil, M ^a   Lu, G N ^a  

^a SORBONNE UNIVERSITÉ   (France)

Author keywords

BDJ detector; Colorimetric pH measurement; Detection of spectral changes; Ratio of photocurrents

Indexed keywords

BURIED DOUBLE JUNCTION (BDJ) DETECTOR; PH MEASUREMENT;

CMOS INTEGRATED CIRCUITS; COLORIMETRIC ANALYSIS; COST EFFECTIVENESS; MONOLITHIC INTEGRATED CIRCUITS; PH; PHOTOCURRENTS; PHOTODETECTORS;

SEAWATER;

EID: 0032166323     PISSN: 09570233     EISSN: None     Source Type: Journal    
DOI: 10.1088/0957-0233/9/9/031     Document Type: Article

References (9)

1. co2 measurement in seawater Marine Chem. 42 189-98
2. Robert-Baldo G L, Morris M J and Byrne R M 1985 Spectrophotometric determination of seawater pH using phenol red Anal. Chem. 57 2564-7
3. Byrne R M and Breland J A 1989 High precision multiwavelength pH determination in seawater using cresol red Deep-Sea Res. 36 635-46
4. Ciabrini J P, Lefèvre N and Michard G 1991 Etude d'un indicateur permettant la mesure colorimetrique du pH et de la pression partielle de dioxyde de carbone de l'eau de mer: la thmolsulfonephtaléine C. R. Arcad. Sci. Paris 313 629-33
5. Lu G N, Chouikha M B, Sou G and Sedjil M 1996 Colour detection using a buried double p-n junction structure implemented in CMOS process Electron. Lett. 32 594-6
6. Lu G N, Chouikha M B, Sedjil M, Sou G and Alquie G 1997 Investigation of a buried double p-n junction structure implemented in CMOS technology for wavelength-sensitive detection Int. J. Electron. 83 (3) 307-16
7. Murtaza G and Senior J M 1994 Wavelength selection strategies to enhance referencing in LED based sensors Opt. Commun. 112 201-13
8. Steranka F M, Defevere D C, Camras M D, Rudaz S L, Elfresh DK, Cook L W, Snyder W L and Craford M G 1995 Temperature-dependent minority-carrier lifetime measurements of red AlGaAs light emitting diodes J. Electron. Mater. 24 (10) 1407-12
9. Murtaza G and Senior J M 1995 Method for extracting thermally stable optical signals from a GaAlAs LED source IEEE Photon. Technol. Lett. 7 (5) 479-81