SPEC SHEET NRMAF0002300275.pdf

SPECIFICATIONS AND DESCRIPTIONS

NR‐MAF‐00023 ‐ 00275

The following specifications must be met in order to fulfill this bona fide need, justified by this procurement request.

Specifications are as follows:

Spectrophotometric Seawater pH Analyzer Model No. AS‐pH2 With Agilent Cary ‐ High precision digital pump (48K) w/ 25 ml Syringe ‐ High quality multi‐port valve (12 Ports) ‐ Water jacketed spectrophotometric flow cell ‐ Data acquisition unit ‐ 0.2g pure mCP ‐ 1 sample bag ‐ Precision: better than ± 0.001 pH units.

‐ Accuracy: better than ± 0.003 pH units.

‐ Wavelengths for pH analysis: 434 nm, 578 nm, and 705 nm (user‐definable and expandable).

‐ Indicator for pH: m‐cresol purple.

‐ Digital Pump: Tecan Cavro XLP 6000 pump equipped with a 12‐port valve and a 10 mL syringe ‐ Spectrophotometric cell: 10 cm with thermostatic water jacket.

‐ Precision of temperate‐control system: < 0.1°C ‐ Automated: run 9 samples sequentially ‐ Typical sample volume: ~ 40 mL per analysis ‐ Time consumption: ~ 5 minutes per analysis ‐ Working environment: Both land and shipboard laboratories

Dissolved Inorganic Carbon Analyzer model AS‐C5 (with LI‐850) ‐ Typical sample volume: 1.2 mL per analysis ‐ Time consumption: ~3 minutes per analysis ‐ Precision: better than ± 0.15% or ± 3 μM for seawater ‐ Analytical range: 0.2 – 20 mM ‐ Only one standard is required 6. Working environment: both land and shipboard laboratories