Thermo Scientific iCAP Q, Руководство по эксплуатации

Страница: 129 / 134

Glossary: PCL–WEEE
Thermo Fisher Scientific iCAP Q Operating Manual (P/N 1288090, Revision B) G-3
PCL Abbr. for Process Control Language
P/N part number
ppb Abbr. for Parts per billion. A unit of measure
expressed as parts per billion. Equivalent to 1 × 10
-9
.
Similar to μg/L or micrograms per liter.
ppt Abbr. for Part per thousands. A concentration unit
of chemical constituents in solution, the weight of
solute per unit volume of solvent.
psig pounds per square inch, gauge
R
regression types are used in the creation of calibration
curves during a sequence of analyses: the software
offers four types: linear, thru zero, weighted, and
square fit.
RF radio frequency
S
s second
square fit regression type: the fit is performed with a
second order (quadratic) function.
STD Abbr. for standard solution (analyte)
T
TCP/IP transmission control protocol / Internet
protocol
U
u see atomic mass unit
UPW (abbr.) Ultra Pure Water
V
V ac volts alternating current
V dc volts direct current
W
weighted regression type: linear regression weighted by
the reciprocal of the standard deviation (1/ standard
deviation).
WEEE European Union Waste Electrical and
Electronic Equipment Directive. Provides guidelines
for disposal of electronic waste.