InstrumentationAPT Instruments Air Velocity - Colorimeters - Conductivity - Controllers - Data Loggers - Dissolved Oxygen - Flow - Hydrometers - Ion - Level - pH Pressure - Refractometers - Relative Humidity - Sound Level - Temperature - Turbidimeters - Viscosity - Centrifugal Pumps Diaphragm Pumps - Gear Pumps - Peristaltic Pumps - Piston Pumps - Vacuum Pressure Pumps - Tubing - Fittings Wireless Data Loggers - Alarm Switches - Transmitters - Timers - Solar

Manufacturer of specialty and intermediate chemicals used in a broad range of industries.Stepan Company - Home About Us Products Markets News Careers Investors Contact News Stepan Announces Sale of Specialty Esters Product Line and Acquisiton of an Agricultural Chemical   Stepan announced May 1, 2007 the sale of its Personal Care ester product line to The HallStar Company along with the acquisition of the Hallcomid product line, an agricultural surfactant product line, from The HallStar Company. (full story)   Using Stepan      products ..

Welcome to D.F. GoldSmith Chemical and Metal Corporation. Supplier of Mercury, Inorganic Chemicals and precious metals. Producers & Distributors of Precious Metals and Precious Metal salts ( Gold , Iridium , Palladium , Platinum & Silver ), compounds and solutions / Mercury and Mercury Salts / Fine Inorganic Chemicals / Rare Earth's & Silver Algaedyn , the original silver algaecide. D.F. Goldsmith Chemical & Metal Corp. continues a 150 year tradition as a reliable supplier of precious metal products, mercury, and ultra-high purity specialties. Our comprehensive inventory of hundreds of special