What can I do to remove the blue precipitate buildup in the lab glass ware I use for Silica testing?

Document ID

Document ID TE788

Published Date

Published Date 10/30/2018
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Question
What can I do to remove the blue precipitate buildup in the lab glass ware I use for Silica testing?
Summary
Precipitate in glassware
Answer
Wash the affected area with a 1:3 or 1:5 ammonia solution. 15% ammonia solution can also be used.
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