Is 10 percent ammonia considered a quaternary ammonium compound?

it works as a catalyst

4%.10% of 10 is 1,so 0.04 (which is the same as 4%) times 25 = 1.

1%

10 percent is 38.46% of 26 percent. (rounded)

99.95%(pure ammonia) or better is Refridgeration grade ammonia.