MJ-IIIA麵筋指數儀操作指導
mianjinhanlianghezhiliangshiyongyupingjiaxiaomaifenzhiliangjiyongtuquedingdezhongyaozhibiao。yiwangdemianjinhanliangcedingfangfaduoshicaiyongshuixifajiance,jiaoweihaoshihaoli,qiezaishuixideguochengzhonghenrongyidaozhimianjindelangfei,ceshizhunquedubugao。yinci,weiletigaomianjinceshigongzuodezhunquexingyijigongzuoxiaolv,zhelituijianshiyongMJ-IIIA型麵筋指數儀檢測,該儀器能夠快速測試出麵筋含量和質量,適用於食品和麵筋加工、糧油科研機構等部門。

使用MJ-IIIA麵筋指數儀時,先稱取一定量的小麥粉樣品倒入洗滌杯中,輕輕搖動使粉層平整。洗滌工作完成後應立即把整個麵筋球放到一個篩盒上(而不要把麵筋球分成幾分),如果隻需離心單個麵筋球,那麼在另一離心篩盒上稱取3g的橡皮塊代替樣品作為配重來平衡離心機,合上並壓平離心蓋板,同時按動離心鍵,轉盤開始轉動,此時不能打開離心蓋板。1min後離心電機自動停止工作,稍候片刻即可打開離心蓋板,取下篩盒,用不鏽鋼刮板小心刮淨通過篩板下的麵筋,在0.01g感(gan)量(liang)天(tian)平(ping)上(shang)稱(cheng)重(zhong),再(zai)將(jiang)沒(mei)有(you)通(tong)過(guo)篩(shai)板(ban)的(de)麵(mian)筋(jin)用(yong)鑷(nie)子(zi)取(qu)出(chu),也(ye)放(fang)入(ru)天(tian)平(ping)上(shang)與(yu)通(tong)過(guo)篩(shai)板(ban)的(de)麵(mian)筋(jin)一(yi)起(qi)稱(cheng)重(zhong),得(de)到(dao)麵(mian)筋(jin)總(zong)重(zhong)量(liang)。計(ji)算(suan)後(hou)得(de)到(dao)濕(shi)麵(mian)筋(jin)的(de)含(han)量(liang)和(he)麵(mian)筋(jin)指(zhi)數(shu)。接(jie)通(tong)烘(hong)幹(gan)儀(yi)電(dian)源(yuan),預(yu)熱(re)約(yue)10min後,打開蓋子,把濕麵筋放在烘幹板上,合上蓋子,烘幹6min,取出後立即稱重並計算幹麵筋含量及麵筋持水率。
在使用MJ-IIIA麵mian筋jin指zhi數shu儀yi時shi,應ying放fang置zhi在zai平ping穩wen地di工gong作zuo台tai上shang,以yi防fang振zhen動dong。要yao保bao證zheng儀yi器qi可ke靠kao接jie地di。要yao防fang止zhi氯lv化hua鈉na溶rong液ye濺jian落luo到dao儀yi器qi上shang,如ru果guo出chu現xian氯lv化hua鈉na溶rong液ye濺jian落luo出chu來lai,應ying當dang及ji時shi清qing理li。每mei次ci離li心xin結jie束shu後hou,要yao用yong軟ruan毛mao刷shua清qing理li篩shai盒he,用yong水shui衝chong洗xi幹gan淨jing,避bi免mian對dui下xia次ci測ce試shi實shi驗yan產chan生sheng影ying響xiang。洗xi滌di杯bei中zhong的de篩shai網wang經jing清qing洗xi後hou,如ru果guo仍reng有you堵du塞sai的de現xian象xiang,應ying予yu以yi更geng換huan。每mei次ci測ce定ding結jie束shu後hou,必bi須xu將jiang轉zhuan盤pan擦ca幹gan淨jing,用yong軟ruan毛mao刷shua清qing理li篩shai盒he,用yong水shui衝chong洗xi幹gan淨jing,否fou則ze會hui影ying響xiang下xia次ci測ce定ding結jie果guo。



