Kjeldahl

Kjeldahl reagents are essential for reliable nitrogen and protein determination in food, feed, environmental and industrial samples. From digestion to distillation and titration, high‑quality reagents ensure accuracy, repeatability, and full confidence in every result—whether you follow AOAC/ISO/EN methods or routine QC workflows.

At ITW Reagents (PanReac AppliChem), we provide a complete portfolio of Kjeldahl reagents designed for performance and convenience across all steps of the method. Our range includes high‑efficiency digestion tablets, sulfuric acid for digestion, sodium hydroxide for distillation, boric acid capture solutions, standard titrants, Kjeldahl grade water, and clear endpoint indicators—all manufactured with strict quality control and full traceability.

Why ITW Reagents

Consistency you can trust: tight specifications, clean blanks, and excellent batch‑to‑batch reproducibility.
Full documentation: certificates with concentration, traceability, and stability for audits and regulated workflows.
Convenience & safety: ready‑to‑use solutions and stable tablets reduce preparation time and handling risk.
Application breadth: suitable for food & feed protein, beverages, fertilizers, wastewater, soil, and more.

From sample digestion to final titration, ITW Reagents delivers the complete, compatible set of Kjeldahl reagents to streamline your workflow and ensure dependable nitrogen results—every time.