Blog

Walmir Rezende • 08/06/2026

Material compatibility for tanks, secondary containment and temperature precautions in the storage of industrial sulfuric acid.

Walmir Rezende • 08/05/2026

The role of analytical grade sulfuric acid in Kjeldahl digestion and why analytical purity prevents errors in total nitrogen results.

Walmir Rezende • 08/05/2026

Differences between analytical grade (P.A.) and 98% industrial grade sulfuric acid: purity, impurity control and when each one is the right choice.

Walmir Rezende • 08/04/2026

The role of sulfuric acid in processing inorganic pigments and mineral fillers for paints, from the sulfate process for titanium dioxide to purity control.

Walmir Rezende • 08/04/2026

How sulfuric acid acts as a catalyst in the esterification of alkyd resins, and why the purity of the acid catalyst matters for resin quality.

Walmir Rezende • 08/03/2026

The differences between aluminum sulfate and sulfuric acid in acid sizing of paper, and the role of each one: sizing agent versus pH adjustment.

Walmir Rezende • 08/03/2026

Where sulfuric acid actually fits in the kraft process: pH adjustment in specific streams and bleaching stages, not in wood cooking.

Walmir Rezende • 08/02/2026

How sulfuric acid converts phosphate rock into single superphosphate, a form of phosphorus and sulfur that plants can absorb.

Walmir Rezende • 08/02/2026

Understand the neutralization reaction between sulfuric acid and ammonia that produces ammonium sulfate, a fertilizer that supplies both nitrogen and sulfur.

Walmir Rezende • 08/01/2026

Understand how cation resins are regenerated with sulfuric acid, when this choice makes sense and how to avoid sulfate precipitation.

Walmir Rezende • 08/01/2026

A practical guide to PPE, storage and procedures for water and wastewater treatment plant operators who handle concentrated sulfuric acid every day.