卡尔·费休库仑法测定聚乙烯(PE)中水分含量
使用日本京都电子公司(KEM)-卡尔·费休库仑滴定仪(MKC-520),外接自动卡氏加热炉/水蒸发器(ADP-511S),测定聚乙烯(PE)颗粒中水分含量的应用资料。
符合下列标准规范:
SH/T 1770-2010 塑料 聚乙烯水分含量的测定。
ASTM D6869 - 03(2011) Standard Test Method for Coulometric and Volumetric Determination of Moisture
in Plastics Using the Karl Fischer Reaction (the Reaction of Iodine with Water).
ISO 15512:2008 Plastics -- Determination of water content.
Kyoto Electronics Manufacturing Co., Ltd.Data No.LN47-09328 No.EKCI-99352电话:021-54488867 电邮: kemu-kem@163.com1网址: http://www.kem-china.com KEM Application Note No. EKCI-09352 Coulometric Karl-Fischer Titration Moisture of Polyethylene pellet -Summary- Checked the possibility of measuring moisture of Polyethylene pellet in combination ofMKC-520N with ADP-511S,and good result was obtained. -Measuring instrument- Main unit:MKC-520 Coulometric KF moisture titrator Option: ADP-511S Evaporator Electrode: M-713 Twin platinum electrode #433-0006 Inner burette -Reagent- Anolyte: Coulomat AG Catholyte:Coulomat CG Carrier gas: Nitrogen -Measurement method- Preparation: (1) Fill the titration cell with the anolyte and the inner burette with the catholyte. (2) Pretitrate for dehydration. (3) Connect MKC-520 with ADP-511S and set the evaporation temperature at 180C. Measurement: (1) Place 1.5g dried sample in the sample boat for the measurement. -Equation- Moisture (ppm): ((Data-Driftxt-Blank)/(Wt1-Wt2))xF Data: Measured water content (ug) Drift : Drift before measurement (ug/s) t : Measuring time(s) Blank : Blank value(ug) Wt1 : Tare including sample weight (g) Wt2 : Tare including residual weight (g) F: Factor(1.00) .Standard method- Karl Fischer method -Ambient conditions- Temperature: 23.5°℃ R.Humidity: 68% Weather: Cloudy 京都电子工业株株会社-可睦电子(上海)商贸有限公司_上海市徐汇区中山西路2366弄1号203室 电话:021-54488867 电邮: kemu-kem@163.com网址: http://www.kem-china.com -Measurement parameter- -Printout data- Drift Stop :: Rel 0.01 ug/s 0 Ug 200 00:30:00 * * *Result** Sample No. 01-01 Date 2009/09/21113:04 Wt1 Wt2 Net Titr. Cell No. 11.5035g0.0g1.5035g Drift Result 0.11ug/s141.5ug 94.114ppm Titr. Time : 00: 30: 15 Cont. Gain 5.0 Stable 0.1 ug/min Start :Manual Oven : ADP- Oven Temp 180°℃ Pre Treat 2 Back Purge 180s Cell Purge 120 s [Calculation] Clac. No. 2 Unit :ppm Weight :Variable Drift Comp. : Auto [Data Lis t] Data Samp. Time 60 s Data List : On Graphic Form : Form2 -Measurement results- Run Sample size(g) Moisture(ug) Concentration(ppm) 1 1.5035 141.5 94.114 Comments- Care should be taken for treating the sample because it is high in moisture absorbency.
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可睦电子(上海)商贸有限公司-日本京都电子(KEM)为您提供《聚乙烯(PE)中水分含量检测方案 》,该方案主要用于聚乙烯(PE)中水分含量检测,参考标准--,《聚乙烯(PE)中水分含量检测方案 》用到的仪器有MKH-710M容量法库仑法混合型卡尔费休水分仪、MKC-710S豪华型库仑法卡尔费休水分仪、MKC-710M四通道旗舰型库仑法卡尔费休水分仪、橡胶塑料水分测定仪