標準編號:	GB 4920-1985
中文名稱:	硫酸濃縮尾氣硫酸霧的測定 鉻酸鋇比色法
英文名稱:	Determination of Sulphuric Acid Mist in Tail Gas in Sulphuric Acid Concentration Process - Barium Chromate Colorimetric Method
中標分類:	Z25    廢氣排放污染物分析方法
行業分類:	GB    國家標準
ICS分類:	13.040.50 13.040.50    移動源排放限值 13.040.50
發布機構:	國家環境保護總局
發布日期:	1985-01-18
實施日期:	1985-8-1
標準狀態:	valid
翻譯語言:	英文
文件格式:	PDF
中文字符數:	3000 字
翻譯價格(元):	100.0
交付時間:	付款后 1 個工作日

This standard is applicable to the analysis of sulphuric acid mist in tail gas in sulphuric acid concentration process in fire-explosive factory, and the test range is 100~30000mg /m3. 1 Principle Sulfate ions will react with barium chromate and generate yellow chromate ions, and the colorimetric measurement is carried out according to the degree of yellow color.

1 Principle 2 Instruments 3 Reagents 4 Operations 5 Calculations 6 Attentions Additional Explanations: