
1) Laboratory technique
Found on
https://www.crosswordclues.com/clue/sparging
[chemistry] In chemistry, sparging, also known as gas flushing in metallurgy, is a technique which involves bubbling a chemically inert gas, such as nitrogen, argon, or helium, through a liquid. This can be used to remove dissolved gases (e.g. oxygen) from the liquid. ==Liquid chromatography== Solvents used in high performance liquid chroma...
Found on
http://en.wikipedia.org/wiki/Sparging_(chemistry)

This is when hot water is sprayed over the mash in the mash-tun to ensure that all the sugars in the grain are extracted.
Found on
http://www.encyclo.co.uk/local/20652

The act of rinsing wort out of the spent grains with hot water after the mash.
Found on
http://www.lehighvalleyhomebrewers.org/glossary.html

Sparging is a beer brewing process that involves passing heated water through the grain bed of a mash to extract sugars from the crushed grains and adjuncts. Sparging is typically conducted at approximately 167 F - 170 F; if the temperature exceeds 170F the brewer risks extracting excessive amounts of tannins from the grains and if the temperature ...
Found on
http://www.westcoastbrewer.com/Beer_Glossary_and_Brewing_Terms.php
No exact match found.