10 Questions
What is the maximum capacity of general-purpose balances used in pharmaceutics?
300 g
What is the weighing precision of analytical balances used in quantitative work?
0.1 mg
Where should analytical balances be placed to ensure accurate measurements?
Vibration-dampened surface
What feature of a standard self-taring balance allows for automatic subtraction of container weight?
Electronic zero facility (self-taring)
What type of chemicals can be directly transferred onto general-purpose balances for weighing?
Non-hazardous chemicals
What are the key factors to consider when choosing a weighing container?
The shape and size of the container
In pharmacy analytical procedures, what type of containers are recommended for weighing materials?
Weighing boats or glass/plastic sample tubes
When is it recommended to use weighing boats to transfer a solid into a volumetric flask?
When the chemical is solid and can be directly transferred into the flask
Why is it important to consider the properties of the chemical when choosing a weighing container?
To avoid corrosion or damage to the container
What does using weighing boats for transferring solids into a volumetric flask help omit?
The solution preparation stage in a beaker
Test your knowledge on weighing balances used in pharmaceutics, including general purpose balances and analytical four-figure balances. Learn about their specifications, capacities, and best practices for dispensing chemicals.
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