Revised Standard from Last Update.

1. SCOPE

This standard prescribes the requirements, the methods of sampling and testing for urea, technical. It does not cover the material used as fertilizer.

2. REFERENCES

IS 266 : 1993 Sulphuric acid - Specification (third revision)

IS 323 : 2009 Rectified spirit for industrial use - Specification (second revision)

IS 265 : 2021 Hydrochloric Acid - Specification (fifth revision)

IS 460 (Part 1) : 2020 Test Sieves - Specification: Part 1 Wire Cloth Test Sieves(fourth revision)

IS 915 : 2012 Laboratory glassware - One-mark volumetric flasks (third revision)

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

IS 2362 : Determination of water by Karl Fischer method - Test method (second revision)

4905 : 2015/ ISO 24153 : 2009 Random sampling and randomization procedures (first revision)

IS 5762 : Methods for determination of melting point and melting range.

IS 15557 : 2005 Methods for preparation of buffer solutions and methods for determination of pH