# Chemicals

Substances, formulations and process water used in manufacturing.

[Manufacturing Wiki](https://planar.so/wiki/index.md)

- [Formulations](https://planar.so/wiki/chemicals/formulations/index.md): Manufacturing reference articles in Formulations.
- [Process water](https://planar.so/wiki/chemicals/process-water/index.md): Coolant concentration by refractometer and apparent Brix, coolant pH and temperature compensation, rinse-water conductivity, dissolved solids, hardness, carryover, counterflow and reverse osmosis.
- [Substances](https://planar.so/wiki/chemicals/substances/index.md): Manufacturing reference articles in Substances.