有機液體化學試劑餾程測定(ding)時溫度計的使用(yong)

溫(wen)(wen)(wen)(wen)(wen)度(du)(du)(du)(du)(du)(du)計(ji)的(de)(de)(de)(de)選(xuan)擇(ze)和(he)(he)使用對(dui)餾程測定結果的(de)(de)(de)(de)影響至關(guan)重要,溫(wen)(wen)(wen)(wen)(wen)度(du)(du)(du)(du)(du)(du)計(ji)的(de)(de)(de)(de)分度(du)(du)(du)(du)(du)(du)和(he)(he)范圍需符(fu)合標準的(de)(de)(de)(de)規定有兩種溫(wen)(wen)(wen)(wen)(wen)度(du)(du)(du)(du)(du)(du)計(ji)可(ke)供選(xuan)擇(ze),即全浸(jin)式溫(wen)(wen)(wen)(wen)(wen)度(du)(du)(du)(du)(du)(du)計(ji)和(he)(he)局浸(jin)式溫(wen)(wen)(wen)(wen)(wen)度(du)(du)(du)(du)(du)(du)計(ji)"使用全浸(jin)式溫(wen)(wen)(wen)(wen)(wen)度(du)(du)(du)(du)(du)(du)計(ji)時(shi)(shi),需進(jin)行溫(wen)(wen)(wen)(wen)(wen)度(du)(du)(du)(du)(du)(du)計(ji)外露部分的(de)(de)(de)(de)溫(wen)(wen)(wen)(wen)(wen)度(du)(du)(du)(du)(du)(du)校(xiao)正即露莖校(xiao)正"使用局浸(jin)式溫(wen)(wen)(wen)(wen)(wen)度(du)(du)(du)(du)(du)(du)計(ji)時(shi)(shi)應(ying)保(bao)證測定時(shi)(shi)的(de)(de)(de)(de)浸(jin)入深度(du)(du)(du)(du)(du)(du)和(he)(he)校(xiao)準時(shi)(shi)的(de)(de)(de)(de)浸(jin)入深度(du)(du)(du)(du)(du)(du)大致相同"另外,溫(wen)(wen)(wen)(wen)(wen)度(du)(du)(du)(du)(du)(du)計(ji)的(de)(de)(de)(de)位置要適當,應(ying)保(bao)證溫(wen)(wen)(wen)(wen)(wen)度(du)(du)(du)(du)(du)(du)計(ji)的(de)(de)(de)(de)感溫(wen)(wen)(wen)(wen)(wen)泡(pao)全被(bei)樣(yang)品(pin)蒸氣所包(bao)圍"溫(wen)(wen)(wen)(wen)(wen)度(du)(du)(du)(du)(du)(du)計(ji)在倒置、磕碰或遇(yu)到(dao)劇烈震動(dong)(dong)時(shi)(shi),其水(shui)銀柱(zhu)容易出現(xian)脫(tuo)節現(xian)象"使用溫(wen)(wen)(wen)(wen)(wen)度(du)(du)(du)(du)(du)(du)計(ji)前應(ying)檢查其水(shui)銀柱(zhu)是否有脫(tuo)節現(xian)象發生,如有,可(ke)輕輕適度(du)(du)(du)(du)(du)(du)甩動(dong)(dong)溫(wen)(wen)(wen)(wen)(wen)度(du)(du)(du)(du)(du)(du)計(ji)使水(shui)銀柱(zhu)復位,或將(jiang)溫(wen)(wen)(wen)(wen)(wen)度(du)(du)(du)(du)(du)(du)計(ji)浸(jin)入溫(wen)(wen)(wen)(wen)(wen)度(du)(du)(du)(du)(du)(du)低(di)于溫(wen)(wen)(wen)(wen)(wen)度(du)(du)(du)(du)(du)(du)計(ji)zui低(di)刻度(du)(du)(du)(du)(du)(du)的(de)(de)(de)(de)水(shui)中,使脫(tuo)節的(de)(de)(de)(de)水(shui)銀柱(zhu)回到(dao)溫(wen)(wen)(wen)(wen)(wen)度(du)(du)(du)(du)(du)(du)計(ji)的(de)(de)(de)(de)感溫(wen)(wen)(wen)(wen)(wen)泡(pao)中"。