Altus Science are an ISO 17025 & ISO 17034 accredited manufacturer of Total Organic Carbon (TOC) Reference Materials. With a global network of channel partners, we supply all of the Calibration, Validation & System Suitability Standards required to maintain TOC compliance for whichever TOC analyser you use including the Thornton 4000TOC analyser. Our independence, together with a rigorous Quality Management System (QMS), allows us to manufacture unbiased TOC CRMs to the highest quality standards, giving you an accurate record of instrument performance. As well as Certified Reference Materials (CRMs), we offer a range of consumable items for your TOC analyser, including Reagents & Vials. 

We offer the following products, suitable for use with the Thornton 4000TOC Analyser:

Thornton 4000 TOC Calibration Standards

Thornton 4000 TOC USP System Suitability Standards

Thornton 4000 TOC Replacement UV Lamps

Thornton 4000 TOC Replacement Inline Filter

For a comprehensive list of the products we offer, please visit our Get a Quote page.