Hach Digesdahl 23130-20, Instrument Manual

Page: 22 / 101

13
Proper handling and storage procedures involving hydrogen peroxide
should always address two major characteristics of the product:
•
It is a strong oxidizing agent. The chemical nature of hydrogen
peroxide makes it an strong irritant to skin, mucous membranes and
particularly to the eyes. It will cause chemical burns at industrial
concentrations and may cause spontaneous combustion upon
immediate or prolonged contact with combustibles
•
It can decompose, releasing heat and oxygen. Normally this rate is
very slow for industrial-grade product, but it will accelerate when
contaminated by materials such as dust, metallic ions, or alkali.
Please observe the following precautions for handling and storing of
hydrogen peroxide:
•
Do store in a cool place away from direct sunlight (preferably in
a refrigerator).
•
Do store in the original containers with closures as supplied and keep
closed when not in use. (Be sure the containers are vented. Hach hydrogen
peroxide bottles are shipped with a special vented cap liner.)
•
Do wear gloves and safety glasses when handling the material.
•
Do use silicon carbide boiling chips when digesting liquid samples.
•
Do wash contaminated skin and body quickly with plenty of water.
Remove contaminated clothing and wash well before using again.
•
Do wash eyes with plenty of water if contaminated and get medical
attention quickly.
•
Do get medical advice without delay if the material is ingested.
•
Do flush all spills with large amounts of water.
•
Do not store near heat sources or in contact with combustible or
organic materials.
•
Do not inhale vapors or ingest the material.
•
Do not allow contact with eyes or skin.
•
Do not allow contact with decomposition catalysts (metals, dust,
alkali, etc.).
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