# Ammonium sulphate and Sulphuric acid

Their prices have moved together.

Source page: https://www.materialinsights.org/links/ammonium-sulphate-and-sulphuric-acid/

[Ammonium sulphate](https://www.materialinsights.org/chemicals/ammonium_sulphate/) (chemical) and [Sulphuric acid](https://www.materialinsights.org/chemicals/sulphuric_acid/) (chemical): 1 relationship.

## How they are linked

### 1. Price link: feedstock

*Cost and price · Strong · Both ways*

Plants that make ammonium sulphate directly neutralise sulphuric acid with ammonia, so sulphur prices enter cost. The sulphuric acid index moves with the fertiliser proxy at 0.29 monthly and 0.90 yearly.

- **0.29** monthly change correlation
- **0.90** 12-month change correlation
- **0.72** fitted elasticity

Built from the site data on production routes, energy flows, industry value chains, input-output tables and prices.