LabKings provides certified standard solutions for both Organics and Inorganics (traceable to NIST) use. These standard solutions are produced by an accredited laboratory according to ISO / IEC 17025 / Guide 34 (A2LA). Quality systems of the manufacturer is tested by NSF-ISR ISO registered (9001: 2008). All our standard solutions are provided with a Certificate of Analysis
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Perkin Elmer equivalent: N9303783