An applicator notices his emulsifiable concentrate spray mixture has turned milky white in the tank. This indicates:
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AThe emulsion has formed correctly and the mixture is ready to apply
BThe formulation has been mixed at too low a temperature
CThe active ingredient has degraded and the mix should be discarded
DThe pH of the water is too high and the formulation has precipitated
✓ Correct answer: A. The emulsion has formed correctly and the mixture is ready to applyA milky white appearance in an EC spray mixture is the correct visual indicator of a properly formed oil-in-water emulsion. The emulsifier in the EC formulation causes the petroleum carrier to disperse as tiny droplets throughout the water, creating this characteristic appearance.
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