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    Certificate of Analysis

    Product Code : 00156160
    Description : Multi-element Standard for Flame Photometer
    Batch Number : 746452
    Date 17/07/2019
    Traceable to : NIST SRM 918b, NIST SRM 919b

    Specification

      Requirement Compliance
    Na Concentration 160.0 mmol/l ±1 mmol/l 160.0 mmol Na Complies
    K Concentration 8 mmol/l ±0.05 mmol/l 8.0 mmol K Complies
    Volume Min 100 ml 102 ml Complies
    Expiry Date 2 years 18/07/2021 Complies

    Signed ………………………….

    Sean McGinty Quality Engineer.

    Sherwood Scientific Ltd., 1 The Paddocks, Cherry Hinton Road, Cambridge CB1 8DH UK