Revised Standard from Last Update.

1. SCOPE

This standard specifies the requirements of lactometers for determining the specific gravity of milk, over a range of 1.020 to 1.035 when read in a liquid medium having a temperature of 27 °C, and a surface tension of 50 m N/m (see Note ), the reading being taken at the top of the meniscus.

NOTE - The average surface tension, at 27 °C, of milk tested in India is found to be about 50 m N/m as determined by Drop Method.

2. REFERENCES

The following Indian Standards contain provisions which through reference in this text, constitute provision of this standard. At the time of publication, the editions indicated were valid. All standards are subject to revision, and parties to agreements based on this standard are encouraged to investigate the possibility of applying the most recent editions of the standards indicated below:

1070 : 1192 Reagent grade water - Specification (third revision)