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    Certificate of Analysis

    Product Code : 00156621
    Description : 1000 ppm Potassium Standard Solution
    Batch Number : 800223
    Date 25/01/2021
    Traceable to : NIST SRM 918b

    Specification

    Requirement Compliance
    K Concentration 995 – 1005 ppm K/l 1002.3 ppm K Complies
    Volume Min 100 ml 102 ml min Complies
    Total microbial count Max 100 cfu/ml <10 cfu/ml Complies
    Expiry Date 2 years 27/01/2023 Complies

    Signed ………………………….

    Sean McGinty, Quality Engineer.

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