配方类型:

METALS

配方说明:

Inhibited Pickling of Steel Solution (U.S. Patent 2,586,331)

配方组成:

b: 40% Formaldehyde/495 g
a: Aniline Thiocyanate/1940 cc

配制方法:

Add a to b and stir at 12'C; filter and wash with water.