CHEMICAL ANALYSES OF TECHNOLOGICAL AND WASTE WATERS Technological waters Parameter Standard Remark Determination of pH ISO 10523 partly in accordance with standard Determination of electric conductivity ISO 7888 partly in accordance with standard Determination of overall hardness (Ca+Mg) ISO 6059 in accordance with standard Determination of iron (Fe)content Hach in accordance with standard Determination of silicon (SiO2) content ASTM D 859 in accordance with standard Determination of alcalinity ISO 9963-1 in accordance with standard Determination of permanganate number ISO 8467 in accordance with standard Oxygen (O2) content ASTM D 5543 in accordance with standard Waste waters Parameter Standard Remark Determination of pH ISO 10523 partly in accordance with standard Determination of nitrate and nitrite content internal method Determination of chemical oxygen demand ISO 15705 partly in accordance with standard Determination of fat and oil content SM 5520 partly in accordance with standard Determination of suspended and dissolved matter content internal method
