根據(ju)微庫(ku)侖滴(di)定原理(li),原油中(zhong)(zhong)(zhong)的(de)(de)鹵化物加熱抽提(ti)到水中(zhong)(zhong)(zhong),樣品中(zhong)(zhong)(zhong)的(de)(de)氯(lv)(lv)離子(zi)(zi)(zi)(zi)被浸(jin)泡(pao)到水中(zhong)(zhong)(zhong),這種(zhong)含(han)氯(lv)(lv)離子(zi)(zi)(zi)(zi)的(de)(de)水樣直(zhi)接(jie)加到滴(di)定池中(zhong)(zhong)(zhong),通過(guo)電解(jie)(jie)產(chan)生(sheng)銀離子(zi)(zi)(zi)(zi)與氯(lv)(lv)離子(zi)(zi)(zi)(zi)反(fan)應(ying),反(fan)應(ying)完后,自動(dong)停(ting)止(zhi)電解(jie)(jie)產(chan)生(sheng)銀離子(zi)(zi)(zi)(zi),微機根據(ju)產(chan)生(sheng)的(de)(de)銀離子(zi)(zi)(zi)(zi)消耗(hao)的(de)(de)電量(liang),便可(ke)自動(dong)計算出樣品中(zhong)(zhong)(zhong)的(de)(de)氯(lv)(lv)離子(zi)(zi)(zi)(zi)或含(han)鹽量(liang)。
儀器特點:
1.采用創新設(she)計的滴定池,特質(zhi)砂芯取代離子(zi)膜,避免了離子(zi)膜破損帶來錯誤結(jie)果。
2.微機控制,簡單操作,性能可靠,穩(wen)定性好,安全簡便(bian)。
技術參數
樣品種(zhong)類:液(ye)體
測(ce)定(ding)方法:電量法
靈敏度:含鹽量0.2mg/l-10000mg/l
氯離子(zi)含(han)量0.1ppm-百分(fen)含(han)量
儀(yi)器(qi)精度(du):<±3%
偏(pian)壓范圍:0-500mv任意選擇
重復(fu)性(xing)誤(wu)差:鹽(yan)含量(liang)≤2mgNaCl/L S≤±0.1mgNaCI/L
鹽含量>2mgNaCI/L CV≤±5%
滴(di)定(ding)時(shi)間(jian):<5min
取(qu)樣量(liang):1g±0.2g
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