Elemental Standards

EPA 8270 Base-Neutral Surrogate Spike Mix is a multi-component solution containing certified reference materials (CRMs) such as 2-fluorobiphenyl, nitrobenzene-d 5 , and p -terphenyl-d 14 . US EPA 8000 Series methods are analytical methods for

US EPA Method 1311-TCLP series Methods - EPA methods 1311 and 1312 analytical methods for the monitoring of a wide range of compounds in various samples using the Toxicity Characteristic Leaching Procedure (TCLP). Application: For US EPA Method

BBL Nitrate B, Dropper Reagent, 50/pk (Non-Returnable) (Continental US Only) (Drop Ship Requires Pre-Approval). REAGENT DROPPER NITRATE B50/PK (NR)

This certified reference material (CRM) is produced and certified in accordance with ISO/IEC 17025 and ISO 17034 . This CRM is traceable to primary material from an NMI, e.

General description The NIST Standard Reference Material (SRM) is intended for use as a primary calibration standard for the quantitative determination of beryllium. The solution is prepared gravimetrically to contain a known mass fraction of

General description 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 Application

This Certified Reference Material (CRM) is produced and certified in accordance with ISO 17034 and ISO/IEC 17025. All information regarding the use of this CRM can be found on the certificate of analysis.

This certified reference material (CRM) is produced in accordance with ISO 17034 and characterized in accordance with ISO/IEC 17025. This CRM is traceable to SI unit kg and measured against primary material from a National Metrology Institute

General description This Standard Reference Material (SRM) is intended primarily for use in the evaluation of techniques employed in the determination of sulfur, mercury, and chlorine in coal and materials of a similar matrix. A unit of SRM 2683c

General description SRM 2693_cert This Standard Reference Material (SRM) is intended primarily for use in the evaluation of techniques employed in the determination of sulfur, mercury, chlorine, and ash content in coal and materials of a

General description This Standard Reference Material (SRM) is intended primarily for use in the evaluation of techniques employed in the determination of sulfur, mercury, chlorine, and ash content in coal and materials of a similar matrix. A unit

General description This Standard Reference Material (SRM) is intended for use as an isotopic reference material for the calibration of mass spectrometers. The material consists of highly purified boric acid of high homogeneity.