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11. 发明申请

WO01098773A1 CONTINUOUS ON-LINE TITRATIONS BY FEEDBACK BASED FLOW RATIOMETRY 审中-公开
标题翻译：基于反馈流量比的连续在线倾斜度
公开(公告)号：WO01098773A1
公开(公告)日：2001-12-27
申请号：PCT/US2001/001230
申请日：2001-02-12
IPC分类号： G01N31/16
CPC分类号： G01N31/166 , Y10T436/12
摘要： Continuous on-line titrations based on feedback-controlled flow and the principle of compensating errors are carried out in a titration system, represented in Figure 2, by maintaining a constant total flow of mixed sample and titrant. The flow of the titrant is varied in response to a controller (76) output voltage, and accordingly, the makeup sample flow also varies but inversely to the titrant flow. A detector (62) monitors the status of the indicator color in the mixed stream. The controller output varies upwardly or downwardly in response to the detector output. The controller (76) initially ramps upwardly to increase titrant flow. When the detector (62) senses a color change, it causes the controller output to reverse and ramp downwardly. This reduces the titrant flow until another color change is detected, which again reverses the controller output. This is repeated to obtain an accurate equivalence flow rate by compensating for the lag time between the occurence of an equivalence in the mixed stream and its detection.
摘要翻译：基于反馈控制流的连续在线滴定和补偿误差的原理在图2所示的滴定系统中通过保持混合样品和滴定剂的恒定总流量进行。滴定剂的流量响应于控制器（76）输出电压而变化，因此，补充样品流量也变化但与滴定剂流反相。检测器（62）监视混合流中指示器颜色的状态。响应于检测器输出，控制器输出向上或向下变化。控制器（76）最初向上倾斜以增加滴定剂流量。当检测器（62）感测到颜色变化时，它使控制器输出反向并向下斜坡。这会降低滴定剂流量，直到检测到另一种颜色变化，这再次反转了控制器输出。这通过补偿混合流中的等效发生与其检测之间的滞后时间来重复以获得准确的等效流量。

12. 发明申请

WO1993024831A1 METHOD FOR MONITORING AND CONTROLLING METALWORKING FLUID 审中-公开
标题翻译：监测和控制金属工艺流体的方法
公开(公告)号：WO1993024831A1
公开(公告)日：1993-12-09
申请号：PCT/US1993005204
申请日：1993-06-01
申请人： CINCINNATI MILACRON INC.
发明人： CINCINNATI MILACRON INC. , BECKET, Giles, J., P.
IPC分类号： G01N31/16
CPC分类号： G01N31/164 , G01N31/166 , Y10T436/11 , Y10T436/115831 , Y10T436/116664 , Y10T436/117497
摘要： The total alkalinity of an aqueous metalworking fluid is monitored and controlled by a continuous titration method that continuously supplies a stream of the metalworking fluid, at a known, controllable flow rate, to a flow through chamber having therein a static mixing element. Simultaneously and separately a stream of acid titrant, of known acid concentration is injected into the flow through chamber at a known controllable flow rate. The acid titrant and metalworking fluid mix and react in the chamber and the reacted metalworking fluid exiting the chamber passed over the tip of a pH electrode. The pH of the reacted metalworking fluid is continuously monitored and the output of the pH electrode used to adjust the flow of acid titrant to the chamber until an endpoint pH valve (typically a pH of 4) is reached. The total alkalinity is then determined from a) the known flow rates of the aqueous metalworking fluid and acid titrant and the known acid concentration of the titrant or may be determined from calibration curves for XY coordinate plots of volume of titrant vs known metalworking fluid concentration.
摘要翻译：通过连续滴定方法监测和控制含水金属加工液的总碱度，该连续滴定方法以已知的可控流速连续提供金属加工流体流到具有静态混合元件的流通室。同时并且分开地将已知酸浓度的酸流以已知的可控流速注入流通室。酸性滴定剂和金属加工液在室中混合和反应，并且离开室的反应的金属加工流体通过pH电极的尖端。连续监测反应的金属加工液体的pH值，并且用于调节酸性滴定剂流向腔室的pH电极的输出直到达到终点pH阀（通常为pH4）。然后根据a）已知的水性金属加工液和酸性滴定剂的流量和滴定剂的已知酸浓度来确定总碱度，或者可以通过滴定剂体积与已知金属加工液浓度的XY坐标图的校准曲线来确定总碱度。

13. 发明申请

WO1989007266A1 ASSAYING ALUMINIUM IN DRINKING WATER 审中-公开
标题翻译：在饮用水中测定铝
公开(公告)号：WO1989007266A1
公开(公告)日：1989-08-10
申请号：PCT/GB1989000077
申请日：1989-01-27
申请人： SOUTH WEST WATER AUTHORITY , DALE, Bryan , LEE, Peter, George
发明人： SOUTH WEST WATER AUTHORITY
IPC分类号： G01N33/18
CPC分类号： G01N31/166 , G01N33/1813
摘要： The aluminium content in a water supply is determined by a method which involves forming the aluminium in a sample stream of the water into a complex with added fluoride and sensing the fluoride content electrically. Equipment for carrying out the invention comprises means (10) to mix a sample stream (in 1) with a standard sodium fluoride solution (in 9), warm it (in 12) and sense the PD generated between electrodes (13 and 14). Solutions of known aluminium concentration can be drawn from reservoirs (3) and (4) to calibrate the fluoride ion selective electrode (14).
摘要翻译：供水中的铝含量通过一种方法来确定，所述方法包括将水的样品流中的铝形成加入氟化物的复合物并且电化学检测氟化物含量。用于实施本发明的设备包括将样品流（1）与标准氟化钠溶液（9）混合的装置（10），使其加热（12）并感测在电极（13和14）之间产生的PD。可以从储存器（3）和（4）中抽出已知铝浓度的溶液来校准氟离子选择电极（14）。

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