The purpose of this standard is to provide minimum requirements for ferrous sulfate, including physical, chemical, sampling, packaging, shipping, and testing requirements.

This standard can be referenced in documents for purchasing and receiving ferrous sulfate and can be used as a guide for testing the physical and chemical properties of ferrous sulfate samples. The stipulations of this standard apply when this document has been referenced and then only to ferrous sulfate used in the treatment of potable water, wastewater, or reclaimed water.