Other grades available upon request as well as material prepared to customer and government specifications. Custom milling, blending, screening and packaging are available at a reasonable cost. All raw materials undergo testing for conformance as well as in-process sampling and final shipping samples. Barium & Chemicals, Inc. has a full-course, in-house laboratory whose staff has expertise in wet chemical analysis as well as AA, IC, ICP, W.S. Tyler Ro-Tap, Fisher Sub- Sieve Sizer, Laser Particle Analysis, pH, titration and moisture analysis. Special requests may require extra lead time for raw material manufacture and processing. Allow sufficient time when ordering.