Ammonij Gost | Nadsernokislyj

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

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) nadsernokislyj ammonij gost

The standard limits the mass fractions of water-insoluble substances, residue after ignition, heavy metals, and manganese. Typically requires high purity, often around 98-99