Labconco Protecto Stainless Steel Perchloric Acid Laboratory Fume Hoods 9682100 - Manual (Page 34)

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Chapter 4: Performance Features and Safety Precautions
Blocking the bottom of the baffle
at rear of hood will change the
airflow pattern in the hood causing
turbulence and possible leakage at
the face of the hood. (Don’t store
containers or supplies against
baffles, as this will affect airflow
through the hood).
Avoid placing your head inside
hood. Keep hands out of hood as
much as possible.
Always work as far back in hood
as possible. It is best to keep all
chemicals and apparatus 6" inside
the front of the hood.
Do not work with organic
materials in this Perchloric Acid
Hood. Perchloric acid when used
with organic material can cause a
hazardous chemical reaction or
explosion. Do not store chemicals
in a fume hood.
Perchloric acid use in this hood is
recommended.
Wash the hood down thoroughly
after each usage, or at least once a
day for a period of 10 minutes.
The use of Perchloric acid creates
extreme inherent hazard because
of certain characteristics. Since
there is a constant danger of
explosion when using Perchloric
acid, it is recommended that
laboratories employing its use in
any quantity become well
informed of its characteristics.
Only personnel fully cognizant
with the properties of Perchloric
acid and the hazards associated
!