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Health & Safety
Chemicals
NOTE: For additional health, safety, and disposal information about reagents, download the MSDS documents
for the chemical in question from the EXO manufacturers’ websites: www.ysi.com or www.wtw.de.
Conductivity Solutions
3161, 3163, 3165, 3167, 3168, and 3169
Ingredients: Water, Potassium Chloride
Inhalation:
Avoid breathing vapors or mists. Inhalation of dust may
cause irritation of respiratory tissues. Ensure adequate
ventilation is available before handling.
Skin:
Exposure may cause irritation with repeated exposure.
Wear lightweight protective clothing, gloves, boots, and
apron.
Eyes:
Can cause irritation and potential eye damage with repeated
exposure. Wear safety glasses with side-shields or face
shield.
Ingestion:
May cause irritation of mouth, throat, and an upset
stomach. Wear a mouth cover or face shield when there is
splashing. Keep away from food and drink. Do not swallow.
First Aid: See box at left.
pH 4.00, 7.00, 10.00 Buffer Solutions
3821, 3822, and 3823
pH 4 Ingredients: Water, Potassium Hydrogen Phthalate,
Red food coloring
pH 7 Ingredients: Water, Potassium Phosphate Monobasic,
Sodium Hydroxide, Yellow food coloring
pH 10 Ingredients: Water, Potassium Hydroxide, Disodium
EDTA dihydrate, Potassium Borate, Potassium Carbonate,
Bromphenol Blue Sodium Salt, Bromphenol Green Sodium Salt
Inhalation:
Avoid breathing vapors or mists. Inhalation of dust may cause irritation of respiratory tissues. Ensure
adequate ventilation is available before handling.
First Aid for all solutions
Inhalation
Move to fresh air. If
breathing is difficult,
give oxygen. If
symptoms persist,
seek medical
attention.
Skin Contact
Remove
contaminated
clothing and wash.
Wash exposed
area with soap and
water for at least 15
minutes. If irritation
persists, seek
medical attention.
Eye Contact
Rinse eyes
immediately with
large amounts of
water, also under
eyelids, for at
least 15 minutes.
If irritation persists,
seek medical
attention.
Ingestion
Wash out mouth
with water and
then drink plenty of
water. If symptoms
persist, seek medical
attention.
6.1
7.1
