If the liquid persistently remains muddy or milky, it may be because the operation has been conducted so fast that much water has been boiled out and sodium Arsenite is beginning to crystallize, so add another gallon of water and stir.
"Special Report on Diseases of Cattle"
U.S. Department of Agriculture J.R. Mohler
Tearing it up by the roots, burning over old stone fences infected with it, keep it from overrunning a place; but the most satisfactory method of eradicating is to sprinkle the vines with sodium Arsenite.
"If You're Going to Live in the Country"
Thomas H. Ormsbee and Richmond Huntley
Children's toys are frequently painted of a green colour with Arsenite of copper, and are consequently, highly dangerous for him to play with.
"Advice to a Mother on the Management of her Children"
Pye Henry Chavasse