SPI Quartz Microscope Slides and Coverslips
Some common applications for quartz slides and coverslips
There are several main uses for quartz slides and coverslips in the
microscope laboratory. We don't think this is an all-inclusive list,
but we hope this information will be helpful:
1. All types of UV microscopy work, where ordinary glass slides
and coverslips would absorb the UV radiation, preventing some experiments
from even being done at all. In other cases, if glass is being used, the absorption degrades the
quality of the data that would otherwise be obtained had quartz been used.
2. In polymer science, there are some procedures that require the
"hardening" of "soft" latex suspensions, such as acrylic based suspensions,
with UV radiation so that they can be hardened up into "hard rigid marbles"
and then prepared for either SEM or TEM examination, sometimes even LM.
The irradiation can not be done using ordinary glass tubes because of
the absorption of the UV by the glass, something that would not occur
if quartz was being used.
3. For applications in microspectrophotometry, the slides and coverslips can be
made "plano parallel", meaning that both sides are "flats" and have been very
carefully precision manufactured to be parallel to each other. As a consequence,
there is no image shifting as light passes through the slide parallel to the
optic axis or a principle ray through it. The ability to make the quartz
products "plano parallel" can be of great importance in terms of being able to do
quality microspectrophotometry.
The paragraph was submitted by Ms. Barbara Foster of
Microscopy Marketing and Education.
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