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碘亲和力滴定法测定直链淀粉含量

来源: jockeo.com  类别:技术文章  更新时间:2021-01-22  阅读次

    碘亲和力滴定法测定直链淀粉含量

    dianqinhelididingfayuanli:dangdianfenrongyeyongdianjinxingdianweididingshi,zaidianyudianfenxingchengluohewuqijianmeiyoudianxuexingzhi(dianliu、dianya)bianhua,danyidanyouyoulidiancunzaijichanshengdianwei(huodianliu),bingkekandaodianwei(huodianliu)debianhua,yinerkecongdianwei(huodianliu)didingquxianqiuchuxingchengluohewudedianliang,jisuanxiangdangyudianjieheliangdedianfenliang。juticedingfangfayoudianweididingfahedianliudidingfa,zheiliangzhongfangfadouyaoxianyongchunzhiliandianfenhezhiliandianfen,huizhichudianwei(huodianliu)didingquxian,ranhouyongyangpindiding,zuihougenjudidingshuzhiqiuchuyangpinzhongzhiliandianfenhezhiliandianfendehanliang。dianqinhelihuisuizhedianfendelaiyuanbutongerbutong,meiyizhongdianfendouyouqitedingdedianqinhelizhi,qizhidedaxiaozhuyaoqujueyudianfenzhongzhiliandianfendehanliang,zhiliandianfenhanliangyuegao,dianqinhelizhiyeyueda,suoyichangyongdianqinhelilaiquedingdianfenzhongzhiliandianfendehanliangjizuoweipingdingzhiliandianfenchundudeyixiangzhibiao。

    caomangxuanyongdianweididingfazhizuochubiaozhungongzuoquxian,zaigenjudianfenyangpindidingzhongdianxiaohaodediansuanjia(kio3)detijizhijiechachuzhiliandianfendebaifenhanliang,jieguobiaominggaifangfajianbian、kuaisu、zhunque,shiheduidapiliangyangpin(ruyuzhong、pinzhongpuchadeng)deceding。chenjunfangdengduidianbisefahedianweididingfajinxinglebijiao,renweidianweididingfadebiaozhungongzuoquxianshiyouduogehanshunihedefangfahuizhichengde,yubisefaxiangbi,gengjiakexueheli、jingquekekao,erqieqizhixianhuiguifangchengxiangguanxishugengjiajiejinl,cededejieguogengwending、zhongfuxinggenggao,shicedingzhiliandianfenhanliangdeyizhongkexue、heli、youxiaodefangfa。

    另外,还有现在比较常用也是比较方便的直接用直链淀粉含量仪测定。直链淀粉含量仪由直链淀粉测定仪、计算机检测系统组成。采用激光光源的直链淀粉含量检测仪和CCD稻谷外观品质图像分析与识别软件系统属创新性成果。直链淀粉分析仪能够测定大米、玉米、小麦等农作物的直链淀粉含量,另外,直链淀粉测定仪通过了农业部谷物品质监督检验测试中心,国家分析仪器质量监督检验中心的技术测试,其结果符合国内各质量检测机构的标准。

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