3 - 68
Table 3-9 Reagents for Mobile Phase that may be Restricted
Usable reagents
Usable, if it is 50%
or lower
Usable, if it is 10% or
lower
Unusable reagents for
SUS316
Phosphoric acid
Sodium phosphate
Acetic acid
Ammonium citrate
Ammonium nitrate
Citric acid
Butyric acid
Sodium nitrate
Disodium phosphate
Ammonium formate
Ammonium perchlorate
Ammonium phosphate
Boric acid
Formic acid (up to pH3)
Hydrochloric acid (up to
pH3)
Potassium nitrate
Sodium
hydrogencarbonate
Sodium carbonate
Ammonium chloride
Potassium chloride
Sodium chloride
Tolufluoroacetic acid
Note 1
:
Max. concentration of
above reagents
should be 5 to 6%.
Note 2
:
When the above
reagents have been
used necessarily,
wash all the flow
paths with distilled
water completely
without fail.
Do not use reagents that corrode SUS316 though they are
not shown in the table above. High viscosity solvent won’t
be delivered, so please be careful.
(5) Chemical resistance of the auto purge valve
Vespel
Ⓡ
is used for the parts in drive system of the auto
purge valve for the Chromaster 5160 pump. Vespel
Ⓡ
resin is weak against over pH10 over or more, so avoid
using those.
Summary of Contents for CHROMASTER 5160
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