CTL Scientific Supply Corp. offers indicator and test papers. We provide test papers for semi-quantitative determinations of ions along with a variety of cation and anion papers. Our product line includes tests for the determination of ozone, arsenic, protein residues, and various ecology test kits. We provide chemical products such as acetic acid, acetaldehyde, barium carbonate, barium chloride, vanadyl sulphate pentahydrate, vanillin synthetic rectapur, fenitrothion neat, barium hydroxide, and barium hydroxide octahydrate.