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    Certificate of Analysis

    Product Code : 00156100
    Description : Multi-element Standard for Flame Photometer
    Batch Number : 784927
    Date : 24/07/2020
    Traceable to : NIST SRM 919b, NIST SRM 918b, NIST SRM 924a

    Specification

    Requirement Compliance
    Na Concentration 140.0 mmol/l ±0.5% Complies
    K Concentration 5.00 mmol/l ±0.5% Complies
    Li Concentration 1.5 mmol/l ±0.5% Complies
    Volume 100 ml ±10% Complies
    Expiry Date 2 years 05/07/2022

    Signed ………………………….

    Sean McGinty, Quality Engineer.

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