Publisher's Synopsis
Excerpt from Chemisch-Technische Untersuchungsmethoden, Vol. 1
Das Azo to meter 184, von Knop 185. Bestimmung des Ammoniak stickstoffes 186. Untersuchung von Harnstoff 187. Azotometer von wagner-bau mann 188. "analysator Hydro 188.
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