Automatic titration device for analysis instrument
A technology of automatic titration and titration tank, which is applied in the direction of chemical analysis by titration method, can solve the problems of damage to devices in the titration tank, easy residual waste liquid, complicated process, etc., and achieve low production and assembly costs, simple liquid inlet and discharge process, The effect of low system cost
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[0039] Such as image 3 As shown, an automatic titration device that uses an OPR electrode as a determination of the titration end point is used in the titration of potassium dichromate by ferrous ammonium sulfate. The automatic titration device includes: a titration cell 10, a magnetic stirrer 20, and a circular Strong magnetic blocks 31A and 31B, gear wheel 32, bearing pair 33, stirring mechanism housing frame 34, pinion gear 35, motor 36, fastening frame 40, O-ring 41, clamp 42, lower supporting knob 43, Teflon tube 44, compression knob 45, compression spring 46, titration cell cover 47, multi-position valve 50, liquid storage ring 51, liquid inlet detector 52, two-position three-way valve 53 and plunger pump 54 (stepping motor not shown), titration liquid detector 55 and ORP electrode 60.
[0040] The body 11 of the titration cell 10 adopts a cylindrical design with an open upper end, and the material adopts a transparent, corrosion-resistant, and high-strength glass material...
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