A randomized 25 question test from a pool of 636 questions, good luck!
In spectroscopic analysis, UV, IR, and visible are all classifications of which type of analyzer below?
Which of the terms below is best described as the pump that maintains the vacuum during operation of a mass spectrometer?
There are several sampling methods that involve extracting a sample. Which of the terms below best relates to a sample whose temperature does not drop below the dew point of the vapour?
Which of the techniques below is best described as using atomic and molecular mass for measurement?
In spectroscopic analysis, the use of an incandescent lamp will produce which of the types of radiation below?
In spectroscopic analysis, what level of concentration does the ambient air pollutant analyzer measure to?
In spectroscopic detection, there are several different types of detectors. Which of the detectors below generates an electrical signal proportional to the radiations intensity?
Which of the terms below is best defined as the uneven partial charge of various atoms in a compound?
Which of the answers below is best represented by the number "7" in the mass spectrometer diagram below?
In spectroscopic analysis, which of the analyzers below uses the principles of EMR absorption to produce a qualitative analysis?
Commonly the IR source for all IR analyzers is a coil of nichrome wire. Which of the EMR emission types would best describe this type of coil?
Which of the spectroscopic spectrums is pictured below?
There are many sources of pollution, but they all can be brought under a couple of large categories. Which of the answers below can be described as human activity adding pollution to the environment?
In spectroscopic detection, the PMT and phototube detectors are similar. Which of the answers below is the name of the device in a PMT that makes it different?
There are several categories of environmental gas analyzers. Which of the answers below would be best suited to analyze hydrocarbon concentrations?
Which of the terms below is best described as the area where the m/z ratio based separation occurs in a mass spectrometer?
Which of the terms below can be describes as a column that produces sharp peaks of narrow width?
There are many ways to measure the contents of a sample. Which of the methods below could best be described as one that uses the visible EMR produced from a chemical reaction?
In spectroscopic analysis, which of the components of a photometer below isolates the wanted EMR, before or after the sample cell?
There are several parts specific to each IR analyzer. In the DIR drawing below, which answer represents the reference cell?
Due to a lack of wavelengths, which of the emission sources below cannot be used with a spectrophotometer?
The IR analyzer relies on a ratio of measured and reference wavelengths. If a single beam NDIR analyzer has a fouled sample cell window, which of the answers below reflects the effect on the analyzers ratio?
In a mass spectrometer, pressures are important to keep in check. Which of the gauges below would be best for monitoring the operating vacuum pressures involved?
Which answer best represents the number "2"
Which of the answers below best represents the highest concentration level a PID can measure to?