Nadsernokislyj Ammonij Gost ⭐ Official

Typically ranges between 3.0 and 5.0 for a 5% or 50g/L solution.

Typically requires high purity, often around 98-99.9%. nadsernokislyj ammonij gost

The standard is currently active and has been updated with several amendments (No. 1, 2, 3). Molecular Weight: Approximately 228.20 g/mol. Technical Specifications (GOST 20478-75) Typically ranges between 3