Reaffirmed 2024

NATIONAL FOREWORD

This Indian Standard(Part 1) which is identical with ISO 4259-1 : 2017 ‘Petroleum and related products — Precision of measurement methods and results — Part 1: Determination of precision data in relation to methods of test’ issued by the International Organization for Standardization (ISO) was adopted by the Bureau of Indian Standards on recommendation of the Methods of Sampling and Test for Petroleum, its Products, Gaseous Fuels and Lubricants Sectional Committee and approval of the Petroleum, Coal and Related Products Division Council.

This Indian Standard is published in two parts. The other part in this series is:

Part 2 Interpretation and application of precision data in relation to methods of test

The text of ISO Standard has been approved as suitable for publication as an Indian Standard without deviations. Certain terminologies and conventions are, however, not identical to those used in Indian Standards. Attention is particularly drawn to the following:

a) Wherever the words ‘International Standard’ appear referring to this standard, they should be read as ‘Indian Standard’.

b) Comma (,) has been used as a decimal marker, while in Indian Standards, the current practice is to use a point (.) as the decimal marker.