Counting marmots…
Knowledge graph centered on Methylene blue spectrophotometry with 18 nodes and 73 connections. Top connected: dissolved organic matter, metal concentrations, CO2 flux, pH, Samuel Pierce.
Dissolved sulfide concentration determined by reacting H2S with N,N-dimethyl-p-phenylene diamine under acidic conditions to form methylene blue.
Synthesized from method descriptions across 0 papers using this protocol.