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  • BS EN 12014-2:2017

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    Foodstuffs. Determination of nitrate and/or nitrite content HPLC/IC method for the determination of nitrate content of vegetables and vegetable products

    Available format(s):  Hardcopy, PDF

    Language(s):  English

    Published date:  03-01-2018

    Publisher:  British Standards Institution

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    Table of Contents - (Show below) - (Hide below)

    European foreword
    Introduction
    1 Scope
    2 Normative references
    3 Principle
    4 Reagents
    5 Apparatus and equipment
    6 Procedure
    7 Evaluation
    8 Test report
    Annex A (informative) - Examples of HPLC/IC chromatograms
    Annex B (informative) - Precision data
    Annex C (informative) - Examples of suitable HPLC conditions
    Annex D (informative) - Examples of suitable IC conditions
    Bibliography

    Abstract - (Show below) - (Hide below)

    Defines a high-performance liquid chromatographic (HPLC) and an ion chromatographic (IC) method for determination of the nitrate level in vegetables and vegetable products.

    Scope - (Show below) - (Hide below)

    This European Standard specifies a high-performance liquid chromatographic (HPLC) and an ion chromatographic (IC) method for determination of the nitrate level in vegetables and vegetable products. This method is applicable for samples with a content of 25 mg/kg or greater. It has been validated on naturally contaminated and spiked samples as beetroot juice with nitrate mass fractions of 194 mg/kg and 691 mg/kg, pureed carrots with nitrate mass fractions of 26 mg/kg and 222 mg/kg and with iceberg lettuce with nitrate mass fractions of 623 mg/kg and 3 542 mg/kg.

    General Product Information - (Show below) - (Hide below)

    Committee AW/275
    Development Note Supersedes 95/501748 DC. (08/2005) Supersedes 16/30341731 DC. (01/2018)
    Document Type Standard
    Publisher British Standards Institution
    Status Current
    Supersedes

    Standards Referencing This Book - (Show below) - (Hide below)

    ISO/IEC 17025:2005 General requirements for the competence of testing and calibration laboratories
    ISO 5725-3:1994 Accuracy (trueness and precision) of measurement methods and results Part 3: Intermediate measures of the precision of a standard measurement method
    EN 12014-1:1997/A1:1999 FOODSTUFFS - DETERMINATION OF NITRATE AND/OR NITRITE CONTENT - PART 1: GENERAL CONSIDERATIONS
    ISO 3696:1987 Water for analytical laboratory use Specification and test methods
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