A randomized 25 question test from a pool of 636 questions, good luck!
Which of the answers below best represents the number of ports in a sliding plate injection valve?
There are two main groups of detectors for both types of NDIR analyzers. Which of the answers below would be considered a specific detector?
In spectroscopic analysis, UV, IR, and visible are all classifications of which type of analyzer below?
There are several parts specific to each IR analyzer. In the DIR drawing below, which answer represents the rotating chopper?
In mass spectrometry, a graph of the output of the detector compared to the m/z ratio is generally named which of the terms below?
IR analyzers analyze a sample with the use of wavelengths. Which of the answers below best represents the type of wavelength that is produced by a NDIR?
Particulate measurements are categorized into three broad groups. Which of the groups below would represent the size of particulate that could enter the nose?
Some analyzers have samples that need to be conditioned before they can measure the components needed. Which of the analyzer types can only handle cool/dry samples?
An IR photometeric analyzer has a 13 cm sample tube that a sample of CO passes through. The sample has an absorptivity of 4.67 x 10¯⁴ cm·ppm, and transmits 56% of the radiation. Which of the answers below has the calculated concentration of CO in the sample?
Which of the answers below best represents a condition that normalization factor will not remedy?
The chart below represents SO₂ energy levels from a fluorescence analyzer sample. Which of the answers below best represents the letter "C"?
A UV photometer measures 15% in a %T value in a sample containing SO₂. Which of the answers below is the calculated absorbance of the SO₂?
There are two main groups of detectors for both types of NDIR analyzers. Which of the answers below would be considered a pnuematic detector?
There are several typical types of HPLC columns. Which of the answers below represents a column that is not typical?
A sample can effect the intensity of the EMR. Which of the terms below is best described as the EMR that passes through the sample?
Which of the mass spectrometers below is best described as one that generally measures samples from the environment?
Polarity is the defining factor in the two types of LLC. The solvent is ________ polar than the stationary phase in the reverse phase LLC. Choose the best answer from those provided below to fill in the blank.
In spectroscopic analysis, an important parameter is sample cell length. In the fixed volume of the sample cell, gases have _____ mass and molecules than liquids, therefore the path length for a gas is _____ than a liquid. Choose the best answer that fills in both blanks
There are several categories of environmental gas analyzers. Which of the answers below would be best suited to analyze sulfur concentrations?
There are several parts to any IR analyzer. In the diagram below, which answer represents the letter "H"
In spectroscopic detection, there are several different types of detectors. Which of the EMR ranges below would a thermopile detector react to best?
There are maintenance issues some IR analyzers can overcome. Which of the IR systems below cannot compensate for a fouled sample cell window?
There are several analyzers that involve chemical reactions. which one of the answers below is best described as an analyzer that uses chemical reactions to produce light energy?
There are two different group of UV analyzers. Which of the analyzers below would best be described as a dispersive type?
In spectroscopic analysis, which of the components of a photometer below transforms the left over radiation after passing through the sample cell into an electrical signal?