Labconco Open Combination (Macro) Kjeldahl Systems 21237 Series - Manual (Page 19)

Chapter 3: Normal Operation & Routine Maintenance
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Drip Shield
The drip shield is constructed of stainless steel and is resistant to most acid
attack. Acid spills can however cause discoloration and eventual marring of
the surface unless the following proper procedures are followed in their clean
up.
1. Promptly wash down all major acid spills contained by the shield.
2. Periodically clean the stainless surface with any residential stainless
steel sink cleaning compound.
3. After cleaning, renew the bright shiny appearance by lightly sanding
with 220 grade emery paper.