標(biāo)準(zhǔn)號(hào)：ISO 3199-1975
中文標(biāo)準(zhǔn)名稱：工業(yè)用氯酸鈉 氯酸鹽含量的測(cè)定 重鉻酸鹽滴定法
英文標(biāo)準(zhǔn)名稱：Sodium chlorate for industrial use; Determination of chlorate content; Dichromate titrimetric method
標(biāo)準(zhǔn)類型：G10
發(fā)布日期：1999/12/31 12:00:00
實(shí)施日期：1999/12/31 12:00:00
中國(guó)標(biāo)準(zhǔn)分類號(hào)：G10
國(guó)際標(biāo)準(zhǔn)分類號(hào)：71.060.50
適用范圍：Not applicable to the analysis of mixtures for agricultural use such as herbicides or pesticides. Indicates the risk in handling with clorates. Dissolution of the test portion in water and reduction by a known quantity, in access, of an iron(II) salt in a sulphuric acid and orthophosphoric acid medium. Titration of the excess iron(II) salt with a standard volumetric solution of potassium dichromate in the presence of barium diphenylamine-4-sulphonate solution as indicator.