规定了以下要求:蒸发后的残留物、电导率、以氧含量表示的可氧化物质、254 nm和1 cm电池光程长度下的吸光度:最大0.01个单位、活性二氧化硅含量、表面张力。附录中规定了相应的试验方法。

The following requirements are specified: residue after evaporation, electrical conductivity, oxidizable matter expressed in oxygen content, absorbance at 254 nm and 1 cm cell optical path length: 0.01 units max., reactive silica content, surface tension. The corresponding methods of test are specified in an annex.