Chemistry, 13.08.2021 01:00 khohenfeld0
A young researcher set out to develop a method for quantifying the polycyclic aromatic hydrocarbon (PAH) content in a contaminated soil sample using open tubular gas chromatography. During the initial stages of method development, the researcher was unable to separate the early eluting compounds, anthracene and naphthalene, with baseline resolution. From the options below, select all possible modifications the researcher could make to improve the resolution.
a. Use a column with a larger inner diameter
b. Use a column with a smaller inner diameter
c. Increase the column length
d. Decrease the column length
e. Decrease the temperature
f. Choose a different stationary phase
h. Increase the stationary phase thickness
Answers: 3
Chemistry, 21.06.2019 22:00
Which function is performed by earths atmosphere? a. ultraviolet rays are prevented from reaching the ozone layer. b. earths temperature is raised and moderated by trapping in heat c. charged particles from the sun are prevented from reaching earth. d. magnetic charges from space are prevented from reaching earths surface.
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Chemistry, 22.06.2019 05:50
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Chemistry, 22.06.2019 16:50
Answer asap need by wednesday morning calculate the ph of 0.036m naoh best answer will be brainliest
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A young researcher set out to develop a method for quantifying the polycyclic aromatic hydrocarbon (...
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