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UVTOCGlossary.fm Glossary
Appendix C Glossary
acidification — lowering the pH of water to 7.0 or less
bar — a unit of pressure equal to one million dynes per square inch.
1 bar = 100 kPa = 14.6 psig.
carrier gas — the gas used to move samples or reagents through in the
analyzer, also referred to as purge gas.
CE — Communauté Européenne
CSA — Canadian Standards Association
CSV — Comma Separated Variable—a serial data protocol that delimits
variables with a comma and new lines with a carriage return (C/R)
CO
2
— carbon dioxide
DI — deionized
DIN — Deutsche Industrie Norm
EN — European Norm
Energized — When applied to relay mapping, energized refers to the coil of a
relay. If current is mapped to a relay, selection of energized means that a relay
coil is energized when the event occurs.
EPA — Environmental Protection Agency
FCC — Federal Communications Commission
FM — Factory Mutual
FSD — full scale deflection
GLS — Gas Liquid Separator—used in the analyzer to separate CO
2
from
sample water
H
3
PO
4
— phosphoric acid
IEC — International Electrotechnical Commission
ISO — International Standards Organization
IR — infrared
KHP — potassium hydrogen phthalate
kPa — kilo Pascal, a unit of pressure equal to 1 Newton per square meter.
100 kPa = 1 bar = 14.6 psig.
live zero — absolute zero plus a desired offset to allow for any system drift
molar (M) — 1 mole of substance per liter of solute
mg/L
— Unit of TOC — 1 mg/L = 1000 µg/L = 1 ppm C
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