Accession Number:

ADA170777

Title:

A Submersible Flow Analysis System,

Descriptive Note:

Corporate Author:

CALIFORNIA UNIV SANTA BARBARA MARINE SCIENCE INST

Report Date:

1986-01-01

Pagination or Media Count:

13.0

Abstract:

A submersible chemical analyzer SCANNER has been developed which can perform analyses in situ in the ocean. The SCANNER is based on a modified flow injection system and can be used to automatic virtually any spectrophotometric determination that can be done by flow injection analysis. The SCANNER consists of a multichannel peristaltic pump, solid-state colorimeters, manifold tubing, valves, and an electronic module. All of the components are pressure-tolerant, except the electronics module, which is placed in a pressure housing. Typical detection limits are of the order of 0.1 micro M. Sample introduction is continuous. The SCANNER has been tested successfully to pressures of 3300 dbar in the laboratory and to depths of 2500 m in the ocean. Examples of silicate and sulfide determinations around animal communities in a deep sea hydrothermal vent field are presented.

Subject Categories:

  • Physical and Dynamic Oceanography

Distribution Statement:

APPROVED FOR PUBLIC RELEASE