標(biāo)準(zhǔn)編號(hào):	GB/T 3558-1996
中文名稱:	煤中氯的測定方法
英文名稱:	Determination of chlorine in coal
行業(yè)分類:	GB    國家標(biāo)準(zhǔn)
發(fā)布機(jī)構(gòu):	國家質(zhì)量監(jiān)督檢驗(yàn)檢疫總局
發(fā)布日期:	1996-12-19
實(shí)施日期:	1997-7-1
標(biāo)準(zhǔn)狀態(tài):	superseded
被新標(biāo)準(zhǔn)替代:	GB/T 3558-2014 煤中氯的測定方法
被替代日期:	2014-10-1
翻譯語言:	英文
文件格式:	PDF
中文字符數(shù):	6000 字
翻譯價(jià)格(元):	180.0
交付時(shí)間:	付款后 1 個(gè)工作日

1 Scope This standard specifies the main points, reagent, instruments, determination process, result calculation and method precision of high-temperature combustion Hydrolyzing-potentiometric titration and Aldrin Fusion -Potassium Thiocyanate Titration (Volhard titration) for determination of the total chlorine content This standard is applicable to lignite, soft coal and hard coal. 2 Method A: High-temperature combustion Hydrolyzing-potentiometric titration 2.1 Determination Principle Coal sample can combust and hydrolyz in the mixed gasflow of oxygen and vapour, and the chlorine in coal will all turn into chlorides and dissolve in water quantificationally. Taking silver as the indicator electrode and silver -silver chloride as reference electrode, titrate the chloridion concentration in the condensed fluid with standard silver nitrate potentiometric method; calculate the content of chlnorine in coal according to the standard silver nitrate solution dosage.