Aurora H2O User’s Manual
9
Chapter 6. Maintenance
6.2.2 Instructions for Optical Absorption Cell Style 2 (cont.)
3.
Gently place the extracted mirror assembly on a clean lens tissue. Using a pair of plastic-tipped tweezers gently
extract the 0.5” diameter mirror from the end cap, taking care not to touch, squeeze or nick the two O-rings in the
end cap assembly (see
Figure 93
below).
Figure 93: Inspecting the Mirror Assembly
4.
Make a visual inspection of the mirror surface, and record any observations of gross contamination. If the mirror
appears to be clean, do not clean it. Instead, reinstall it carefully into the system (go to Step 12).
5.
If the mirror is contaminated, the first step in cleaning it is to use the air blower to blow away any particulate
matter on the mirror surface. Place the mirror on a flat surface holding it from the sides with a pair of plastic
tipped tweezers and repeatedly puff the air blower to force dry clean air onto the mirror surface (see
Figure 87 on
page 4
).
6.
Using a piece of lens tissue, wet a small area with a very small amount of analytical grade acetone (barely
wetting the lens tissue). Typically, one drop of acetone will suffice. Tilt the lens tissue so that the acetone drop is
absorbed by the lens paper along the length of the piece (see
Figure 88 on page 5
and
Figure 94
below).
Figure 94: Applying Acetone to Lens Tissue
Summary of Contents for Aurora H2O
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Page 24: ...Chapter 1 Features and Capabilities 12 Aurora H2O User s Manual...
Page 44: ...Chapter 2 Installation 20 Aurora H2O User s Manual...
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Page 120: ...Chapter 5 AuroraView Interface Software 24 Aurora H2O User s Manual...
Page 140: ...Chapter 7 Troubleshooting 6 Aurora H2O User s Manual...
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