Skip to Main Content
Measurement, Instrumentation, and Sensors Handbook, Second Edition, 2nd Edition
book

Measurement, Instrumentation, and Sensors Handbook, Second Edition, 2nd Edition

by John G. Webster, Halit Eren
February 2014
Intermediate to advanced content levelIntermediate to advanced
1921 pages
82h 13m
English
CRC Press
Content preview from Measurement, Instrumentation, and Sensors Handbook, Second Edition, 2nd Edition
58-11Chromatography Composition Measurement
pressures up to 48,263 kPa (7000 psi). The flow rate must be precisely controlled and the outlet
st
ream
mu
st
be pu
lse-free
. Me
tered
mi
xing
of up to fo
ur
so
lvent
st
reams
ma
y
be re
quired
fo
r
gr
adi-
ent
el
ution
an
d
co
lumn
wa
shing
. HP
LC
pu
mps
mu
st
be ca
pable
of de
livering
a pu
lse-free
st
ream
of mo
bile
ph
ase,
at pr
essures
up to 48
,263
kP
a
(7
000
ps
i)
.
Va
riations
in mo
bile-phase
fl
ow
ra
te
le
ad
to ir
reproducibility
in ch
romatographic
re
tention
ti
mes,
an
d
pu
lses
in th
e
fl
ow
gi
ve
no
ise
in th
e
de
tector
ba
seline
.
To en
sure
opt
imum
pu
mp
pe
rformance
an
d
to re
move
di
ssolved
ox
ygen,
th
e
mo
bile
ph
ase
mu
st
be
degassed. Degassing can be by vacuum, but periodic purging with helium is more usual. Dissolved oxy-
gen
ca
use ...
Become an O’Reilly member and get unlimited access to this title plus top books and audiobooks from O’Reilly and nearly 200 top publishers, thousands of courses curated by job role, 150+ live events each month,
and much more.
Start your free trial

You might also like

Instrumentation and Control Systems, 3rd Edition

Instrumentation and Control Systems, 3rd Edition

William Bolton

Publisher Resources

ISBN: 9781439848913