Friedel's salt
= Friedel's salt
{wiki=Friedel's_salt}
Friedel's salt, also known as ferrocyanide of potassium or potassium ferrocyanide, is an inorganic compound with the chemical formula \\( K_4\[Fe(CN)_6\] \\cdot 3H_2O \\). It appears as a yellow-orange crystalline solid and is sometimes referred to as yellow prussiate of potash.