Jewelry Electroplating

Walmir Rezende • 10/20/2025

Technical compliance guide for electroplating wastewater: CONAMA 430/2011 parameters, treatment stages and an implementation checklist.

Walmir Rezende • 10/19/2025

Neutralization is a key step in electroplating wastewater treatment, with pH control between 5.0 and 9.0 required by CONAMA Resolution 430/2011.

Walmir Rezende • 10/18/2025

COD (Chemical Oxygen Demand) is often the hardest CONAMA 430/2011 parameter for electroplating shops to meet. Tertiary treatment is required for compliance.

Walmir Rezende • 10/17/2025

Coagulation and flocculation are essential steps in treating electroplating wastewater to remove heavy metals and comply with CONAMA Resolution 430/2011.

Walmir Rezende • 10/16/2025

Inadequate traceability and incomplete documentation are frequent causes of citations at electroplating shops. This guide presents a complete system for staying legally compliant and making audits easier.

Walmir Rezende • 10/16/2025

The analytical grade purity of the copper, nickel, zinc and potassium cyanide salts used in electrodeposition determines the uniformity, adhesion and brightness of the electroplated coating.

Walmir Rezende • 10/15/2025

A minimum purity specification of 98% for electroplating acids is no exaggeration: it is the requirement that separates professional processes from problem operations.

Walmir Rezende • 10/14/2025

Switching chemical input suppliers 100% at once is a common mistake in electroplating shops. Learn the Boreto & Cardoso 3-phase protocol for safe transitions.

Walmir Rezende • 10/13/2025

The quality of chemical inputs directly determines the success of the whole electroplating process. A complete guide with 13 essential products, professional technical criteria and a supplier validation protocol.

Walmir Rezende • 10/12/2025

Why lot-specific COAs, up-to-date SDSs, full traceability and ISO 9001:2015 certified suppliers are mandatory in professional jewelry electroplating, and how to prepare for audits.

Walmir Rezende • 10/11/2025

Why certified analytical grade (P.A.) hydrochloric, nitric and sulfuric acids matter for surface preparation in jewelry electroplating: purity, specifications, traceability and good practices.