One critical ingredient in beer is hops. In the taste of many beers, they supply a crucial balance to the malt. They also aid the brewing process during the boil in precipitating out proteins, etc.
The German standard DIN 38 407-41 describes a method for the analysis of volatile compounds from aqueous samples by headspace-solid-phase microextraction (HS-SPME). Analytes are volatile, organic ...
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