Choose the brand aligned with your industry so we can best serve your needs.
For researchers, scientists, and technical professionals: Your one-stop shop for the complete range of laboratory, production, and safety products and services.
This sample is a petroleum fraction with a boiling range from 250° to 850°F, evaluated in round-robin studies by the ASTM. Use this sample and the supplied ASTM boiling range consensus values to evaluate system performance.
This certified reference material (CRM) is produced and certified in accordance with ISO/IEC 17025 and ISO 17034. This CRM is traceable to the SI through a primary reference material from a NMI. Certified content incl. uncertainty and expiry date are stated on the enclosed certificate.
Suitable for quantitation of amphetamine levels in urine, serum, or plasma by LC/MS or GC/MS for urine drug testing, clinical toxicology, forensic analysis, or sports testing.
Pharmaceutical secondary standards for application in quality control, provide pharma laboratories and manufacturers with a convenient and cost-effective alternative to the preparation of in-house working standards.
Aroclor 1248 is a light yellow to yellow-green colored, commercially available polychlorinated biphenyl product liquid mixture. It consists of tri-, tetra-, and pentachloro congeners.
ASTM(R) D4815 Valve Timing Mix may be used for the determination of oxygenates (ethers and alcohols) in gasoline by GC. All components used in preparing the standards have been analyzed for purity, water content, and the presence of other method components to 0.01%.
Suitable for use as starting material in linearity standards, calibrators, and controls for numerous LC/MS and GC/MS applications in endocrinology, clinical chemistry, neonatal screening, and sports testing.
Suitable for quantitation of amphetamine levels in urine, serum, or plasma by LC/MS or GC/MS for urine drug testing, clinical toxicology, forensic analysis, or sports testing.
Suitable for use as a starting material in calibrators and controls for GC/MS or LC/MS methods in forensic analysis, clinical toxicology, urine drug testing, or pain prescription monitoring.
An internal standard for Carisoprodol testing or isotope dilution methods by GC/MS or LC/MS for clinical toxicology, urine drug testing, pain prescription monitoring or forensic analysis.