1) Water quality indicator
Found on
https://www.crosswordclues.com/clue/formazine
Formazine (formazin) is the polymer reaction product of hydrazine sulfate and hexamethylenetetramine. A suspension of 1.25 mg/L hydrazine sulfate and 12.5 mg/L hexamethylenetetramine in water has a turbidity of one Formazin Turbidity Unit (FTU). ==Turbidity measurement== For turbidity measurement, a formazine suspension is made by mixing solutions...
Found on
http://en.wikipedia.org/wiki/Formazine
No exact match found.
