Laboratory & QA/QC Terminology

ACS: American Chemical Society

ANSI:
American National Standards Institute

AOAC:
Association of Official Analytical Chemists

APHA:
American Public Health Association

ATC:
Automatic Temperature Compensation

ATP: adenoisine 5′-triphosphate

Bacteriophage: Virus that affects bacterial cell, sometimes bringing about a dissolution of bacteria or cells.

BOD:
Biological Oxygen Demand

Buffer: A solution containing either a weak acid and its salt or a weak base and its salt, which is resistant to changes in pH.

CIP:
Clean in Place

COP:
Clean out of Place

Culture: The act of succesfully growing a unique stain or a consortium of microorganisms, or a viable collection of a single strain of microorganisms which has been selectively grown.

DI:
Deionization

Diluent: Fluid used to dilute a substance

Enzyme: A protein functioning as a catalyst in living organisms, which promotes specific reactions or groups of reactions.

DO:
Dissolved Oxygen

FCC:
Food Chemical Codex

FDA: Food and Drug Administration

GMP:
Good Manufacturing Practices

HACCP:
Hazard Analysis Critical Control Point

HTST:
High Temperature Short Time

Membrane Filtration: The use of a non-absorbent porous membrane to trap particles (including bacteria) which allow the water to filter through. Pore sizes commonly used are of 0.22 and 0.45 microns diameter.

mL:
Micro liter

N: Normal or Normality (concentration)

Neutralization: Reaction between an acid and a base which produces a neutral (pH=7) solution.

NIST: National Institute of Standards & Technology

NTEP: National Type Evaluation Program

PMO:
Pasteurized Milk Ordinance

PMP:
Polymethylpentene

PE:
Polyethylene

PP:
Polypropylene

PPB:
Parts per Billion

PPM:
Parts per Million

RTD:
Resistance Temperature Detector

Sterile: Free of microorganisms

USP:
United States Pharmacopeia

USDA:
United States Department of Agriculture

UV:
Ultraviolet

UHT:
Ultra High Temperature

╬╝ Or U:
Micro

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