News Articles Tagged: Black and White Photography

4-Aminophenol: A Classic Developer in Black and White Photography

Explore the historical and ongoing significance of 4-Aminophenol (CAS 123-30-8) as a key developer in black and white photography, and its properties.

Pyrogallic Acid: The Timeless Developer for Exceptional Black-and-White Photography

Explore the enduring legacy of Pyrogallic Acid (Pyrogallol, CAS 87-66-1) as a key photographic developer. Discover its reducing properties and how NINGBO INNO PHARMCHEM CO.,LTD. supplies high-purity Pyrogallol for classic and modern darkroom processes.