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    Certificate of Analysis

    Product Code : 00156620
    Description : 1000 ppm Sodium Standard Solution
    Batch Number :

    800094

    Date

    10/02/2021

    Traceable to :

    NIST SRM 919b

    Specification

    Requirement Compliance
    Na Concentration 995 – 1005 ppm Na/l

    1004.6 ppm Na Complies

    Volume Min 100 ml 102 ml min Complies
    Total microbial count Max 100 cfu/ml <10 cfu/ml Complies
    Expiry Date 2 years

    15/01/2023 Complies

    Signed ………………………….

    Sean McGinty, Quality Engineer.

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