We noticed you’re not on the correct regional site. Switch to our AMERICAS site for the best experience.
  • BS 1647-2:1984 (published 1984-12)

    Current The latest, up-to-date edition.
    Add to Watchlist
    This Standard has been added successfully to your Watchlist.
    Please visit My Watchlist to see all standards that you are watching.
    Please log in or to add this standard to your Watchlist.
    We could not add this standard to your Watchlist.
    Please retry or contact support for assistance.
    You need to be logged in to add this standard to your Watchlist.
    Please log in now or create an account to add.
    You already added this Product in the Watchlist.

    pH measurement Specification for reference value standard solutions and operational reference standard solutions

    Available format(s):  Hardcopy, PDF

    Language(s):  English

    Published date:  31-12-1984

    Publisher:  British Standards Institution

    Add to Watchlist

    Add To Cart

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

    Foreword
    Committees responsible
    Specification
    0 Introduction
    1 Scope
    2 Definitions
    3 Preparation of the reference value standard solution
    4 Operational reference standard solutions
    5 Operational reference standard materials
    6 Accuracy class
    Appendices
    A Test method for the verification of samples of
       potassium hydrogen phthalate (KHPh) as the reference
       value standard material
    B Preparation of the reference value standard solution
    C Method for estimating the phthalic acid content of
       potassium hydrogen phthalate
    D Simple method for establishing the identity of the pH
       of samples of potassium hydrogen phthalate
    E Preparation of operational reference standard
       solutions
    F Determination of pH values of operational reference
       standard solutions
    G Water quality for the preparation of reference
       standard solutions
    H Bibliography
    Tables
    1 pH values of operational reference standard solutions
    2 Values of the constants for calculating pH values of
       operational reference standard solutions
    3 pH values of useful buffer solutions
    4 Accuracy classes for pH measurements
    5 Useful data on some operational reference standard
       solutions
    6 Water for the preparation of standard solutions
    Figures
    1 Cell vessel for certification of samples of potassium
       hydrogen phthalate as the reference value standard
       material
    2 Cell vessel for determination of pH values of
       operational reference standard solutions

    Abstract - (Show below) - (Hide below)

    Operational standard reference materials and preparation of reference value reference solution and operational standard reference solutions

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

    Committee W/-
    Development Note Supersedes 79/55106 DC. (06/2004) Supersedes BS 1647(1961) (07/2004) Reviewed and confirmed by BSI, February 2012. (01/2012)
    Document Type Standard
    Publisher British Standards Institution
    Status Current

    Standards Referenced By This Book - (Show below) - (Hide below)

    04/30088797 DC : DRAFT APR 2004 ISO 18369 - OPHTHALMIC OPTICS - CONTACT LENSES - PART 3: MEASUREMENT METHODS
    BS 7208-11(1998) : 1998 OPTICS AND OPTICAL INSTRUMENTS - CONTACT LENSES - SALINE SOLUTION FOR CONTACT LENS TESTING
    BS 7485(1991) : 1991 METHOD FOR SPECIFYING AQUEOUS DISPERSIONS OF POLYTETRAFLUOROETHYLENE (PTFE) MATERIALS
    BS EN 12176 : 1998 CHARACTERIZATION OF SLUDGE - DETERMINATION OF PH VALUE
    EN 12176:1998 CHARACTERIZATION OF SLUDGE - DETERMINATION OF PH-VALUE
    BS 1647-1:1984 (published 1984-12) pH measurement Specification for pH scale
    I.S. EN 12176:1998 CHARACTERIZATION OF SLUDGE - DETERMINATION OF PH-VALUE
    16/30310662 DC : 0 BS EN ISO 18369-3 - OPHTHALMIC OPTICS - CONTACT LENSES - PART 3: MEASUREMENT METHODS
    BS EN ISO 10344 : 1998 OPTICS AND OPTICAL INSTRUMENTS - CONTACT LENSES - SALINE SOLUTION FOR CONTACT LENS TESTING
    BS 7310:1990 (published 1990-09) Specification for ion-selective electrodes, reference electrodes, combination electrodes and ion-selective electrode meters for determination of ions in solution
    BS 3482-3:1991 METHODS OF TEST FOR DESICCANTS - DETERMINATION OF PH

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

    BS 2690-9(1970) : 1970 METHODS OF TESTING WATER USED IN INDUSTRY - APPEARANCE (COLOUR AND TURBIDITY), ODOUR, SUSPENDED AND DISSOLVED SOLIDS AND ELECTRICAL CONDUCTIVITY
    BS 1752(1983) : 1983 SPECIFICATION FOR LABORATORY SINTERED OR FRITTED FILTERS INCLUDING POROSITY GRADING
    BS 1647-1:1984 (published 1984-12) pH measurement Specification for pH scale
    BS 3906:1976 SPECIFICATION - ELECTROLYTIC COMPRESSED HYDROGEN
    • Access your standards online with a subscription

      Features

      • Simple online access to standards, technical information and regulations
      • Critical updates of standards and customisable alerts and notifications
      • Multi - user online standards collection: secure, flexibile and cost effective