Methods of Sampling and Test (Physical and Chemical) for Water and Wastewater Part 31 Phosphorous Section 1 Determination by Vanadomolybdo-phosphoric Acid, Stannous Chloride, Ascoribe Acid and Persulphate Method (Second Revision)
Methods of Test for Rubber or Plastics Coated Fabrics Part 1 Determination of Roll Characteristics Section 1 Methods for Determination of Length, Width and Net Mass ( Third Revision )