Note
This information is intended as guide-
lines only and Barnstead International
makes no claim as to the suitability to
any particular situation. Consult your
staff chemist to determine what would
be best for your stainless steel prod-
uct and laboratory.
M
AINTENANCE
personal protection index found in the hazardous materi-
als information system (HMIS) section of the MSDS.
•
Any of a variety of “scale removers” available at
local supermarkets or hardware stores used for
the cleaning of coffee marks, humidifiers or
vaporizers.
•
A 15% to 35% phosphoric acid solution avail-
able from laboratory supply distributors for scale
and rust removal. Allow solution to soak the
surface affected until rust and scale is loosened.
Immediately follow with a clean water rinse.
•
Citric acid based cleaners.
•
Bathroom tub and tile cleaners.
•
A mixture of 20% nitric acid and 1.5% hydrofluo-
ric acid (or hydrochloric acid). Swab solution on
surface allowing it to remain until rust is loos-
ened. Immediately follow with a clean water
rise. This method should ONLY be used if
SEVERE rust and scale stains are present.
•
Oxalic acid 2% to 5% in warm water. Swab
solution on surface allowing it to remain until
rust is loosened. Immediately follow with a clean
water rinse. This method should ONLY be used
if SEVERE rust and scale stains are present.
Regardless of the approach utilized, ALWAYS follow the
manufacturer’s directions and allow the chemicals to do
the cleaning with MINIMAL scrubbing. Always follow
cleanings with a clean water rinse. Air dry.
Materials Effective in Disinfecting
•
Glutaraldehyde
•
Alcohol
18
