Turbidity 500 NTU Calibration Standard - Formazin

Description

• General description: 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.
• Application: This CRM can be used to calibrate and validate all types of laboratory turbidity meters in the 500 Nephelometric Turbidity Unit (NTU).
• Features and Benefits: Gravimetrically prepared standard, verified and qualified in an ISO/IEC 17025 and ISO 17034 accredited laboratoryTraceable to the SI and higher order standards from NISTAssigned value based on a purity determination by mass balance and gravimetrically prepared valueHomogeneity assessed in accordance with ISO Guide 35Available in high-density polyethylene bottles of volumes 100 and 500 mL to assure safe delivery Accompanied with a certificate of analysis (CoA) having information on the expiry date for an effective auditPrepared using deionized water as a solvent
• Other Notes: Values of analytes vary lot to lot. Some lots may not contain all analytes.