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WorksheetsIntroduction to Instrumentation Analysis
Total questions: 12
Worksheet time: 12mins
Define analysis
Detailed examination of elements or structure of something
Detailed examination of something without purpose
Examination of a structure of something
Examination of physical structures of elements
What to consider when purchasing analytical instruments?
Accuracy
Precision
Efficiency
Standardisation
Cost
Choose the types of errors in analysis
Gross
Random
Systematic
Efficient
"Repeated inaccuracy in making measurements"
Choose the name for the definition of the error in the quotation.
Gross error
Random error
Systematic error
Efficient error
Choose the definition for "accuracy"
The ability of measuring or calculating something to its closest value
The ability of measuring something to the largest value
The ability of measuring something again and again
A pharmaceutical analyst performed an assay test to determine the content of a tablet. She prepared 4 test solutions and obtained 98%, 99% 100% and 98% results. How do you describe her analysis?
Inaccurate and precise
Inaccurate and imprecise
Accurate and precise
Accurate and imprecise
A pharmaceutical analyst performed an assay test to determine the content of a tablet. He prepared 4 test solutions and obtained 90%, 91% 100% and 110% results. How do you describe his analysis?
Accurate and imprecise
Accurate and precise
Inaccurate and precise
Inaccurate and imprecise
A pharmaceutical analyst performed an assay test to determine the content of a tablet. She prepared 4 test solutions and obtained 90%, 89% 85% and 92% results. How do you describe her analysis?
Accurate and precise
Accurate and imprecise
Inaccurate and imprecise
Inaccurate and precise
The following is the role of quality control (QC), EXCEPT
Identify non conforming products
Investigate non conforming products
Perform all parameters of QC tests
Deliver the products to customers
Choose the CORRECT definition of quantitative analysis
Measurement of the quantities of particular constituents present in a substance
Measuring the physical appearance of substance
Measuring the weight of a particular constituents present in a substance
The following are examples of instrumental methods, EXCEPT
Conductivity
Chromatography
Spectroscopy
Gravymetry
Choose the wrong example of chromatography
High Performace Liquid Chromatography (HPLC)
Gas Chromatography (GC)
Thin Layer Chromatography (TLC)
Rudimentary Analysis (Run DMC)
