The invention can reliably judge whether the cooking-vessel is dry or not to prevent the food from over cooking and the cooking liquor from excessing.
Transfer meat WITH cooking liquor into a cooking popper and turn to medium heat.
The addition of a small amount of elemental sulfur to soda cooking liquor is known to improve the bleachability, strength, and pulp yield obtained with the softwood species.
The application of spent sulfite cooking liquor( red liquor) and the isolated lignin to foundry industry was developed.
The cooking liquor, called acid, is thus a solution of calcium which contains an excess of sulfurous acid.
