-Certified Reference Materials (CRMs) according to ISO 17034
-Solutions prepared from AnalaR® NORMAPUR® grade analytical reagents
-True analytical value on the label to an accuracy of ±0,02 pH units
-Traceable to SRM from NIST
-Batch number and packing date for traceability
-Certificates of Analysis available at website
Certifications: Produced and certified in accordance with ISO 17034 accredited by BELAC under the certification number 542-RM. All information regarding the use of this CRM can be found on the Certificate of Analysis.