Labconco Protecto PVC Laboratory Fume Hoods 14181 Series - Manuel (Page 5)

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Original instructions
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I
NTRODUCTION
Congratulations on your purchase of a Labconco Protector® PVC Perchloric Acid
Laboratory Fume Hood or Protector® PVC Acid Digestion Laboratory Hood.
The difference between the two hoods is that the Protector PVC Perchloric Acid
Hood uses a glass sash and the Protector PVC Acid Digestion Hood uses a
Lexan™ sash to combat the fogging of glass caused by hydrofluoric acid (HF).
Note that Perchloric acid will react with the Lexan sash and is not to be used in an
Acid Digestion Hood. The Protector PVC Perchloric Laboratory Hood is
designed to efficiently ventilate procedures using Perchloric acid. The Protector
PVC Acid Digestion Laboratory Hood is designed to efficiently ventilate all other
heavy acid operations including hydrofluoric acid. It is the result of Labconco’s
more than 50 years experience in manufacturing fume hoods, and users like you
suggested many of its features to us.
The Protector PVC Perchloric Acid Fume Hood has been engineered to provide
maximum safety in a laboratory while using Perchloric acid. Usage of materials
other than Perchloric acid is not recommended. Perchloric acid is a strong
oxidizing agent, and should not be used in combination with any organic
material as the possibility of a hazardous chemical reaction or explosion
could develop. The Protector PVC Acid Digestion Fume Hood has been
designed to handle all other types of acids including hydrofluoric acid (HF), but
not Perchloric acid. The Protector PVC Hoods offer many unique features to
enhance safety, performance, and visibility.
To take full advantage of them, please acquaint yourself with this manual and
keep it handy for future reference. If you are unfamiliar with how fume hoods
operate, please review Chapter 4: Performance Features and Safety Precautions
before you begin working in the fume hood. Even if you are an experienced fume
hood user, please review Chapter 5: Using The Protector PVC, which describes
the Protector PVC Perchloric Acid Hood features so that you can use the hood
efficiently.