# Sulphuric acid and Water treatment chemicals

Their prices have moved together.

Source page: https://www.materialinsights.org/links/sulphuric-acid-and-water-treatment-chemicals/

[Sulphuric acid](https://www.materialinsights.org/chemicals/sulphuric_acid/) (chemical) and [Water treatment chemicals](https://www.materialinsights.org/chemicals/water_treatment/) (chemical): 1 relationship.

## How they are linked

### 1. Price link: process acid

*Cost and price · Strong · Both ways*

Sulphuric acid dissolves bauxite or iron to make alum and ferric sulphate, and it adjusts water pH. The acid index correlates at 0.09 for monthly moves but 0.69 for yearly moves, showing cost pass-through on annual tenders.

- **0.09** monthly change correlation
- **0.69** 12-month change correlation
- **0.38** fitted elasticity

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