What is demineralized or ultrapure water?
Water with dissolved minerals and ions removed, supplied in 5L or 10L containers.
Distilled water: process label
Boiling then condensation removes impurities
How is distilled water obtained?
By boiling followed by condensation removing most minerals, impurities, and microorganisms.
Solute: lab term
Dissolved substance in solution
What laboratory attire is strongly discouraged during chemistry practicals?
Contact lenses are strongly discouraged.
Solvent: role
Dilutes or extracts substances without changing
Which activities are prohibited in the practical workroom?
Eating, drinking, smoking, using a phone, and mouth pipetting are prohibited.
Fume hood: purpose
Ventilates and protects from chemical fumes
Ultrapure water: supply
Removes dissolved minerals, supplied in 5L/10L
Lab coat safety requirement
Fastened cotton lab coat essential
Prohibited in lab
Eating, drinking, mouth pipetting, smoking
Post-session cleaning
Clean equipment and dispose waste properly
Preparation: bench condition
Benches and hoods must be clear and unlocked
Glassware purpose: volumetric flask
Precise measurement of liquids
Test your knowledge with 11 questions on Laboratory Techniques and Safety.
1. What role does a solvent play in a solution?
2. What is distilled water primarily characterized by?
Review the complete course in the study sheet for Laboratory Techniques and Safety.
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