公开(公告)号：EP0530871A1

公开(公告)日：1993-03-10

申请号：EP92202343.7

申请日：1992-07-29

Applicant: INSTRUMENTATION LABORATORY S.p.A.

Inventor： Tancredi, Gabrio ,  Calzi, Claudio

IPC: G01N33/00 ,  G01N27/416 ,  G01N33/49

CPC classification number: G01N33/4925 ,  G01N27/4163 ,  G01N33/0006 ,  Y10T436/10 ,  Y10T436/100833 ,  Y10T436/102499 ,  Y10T436/106664 ,  Y10T436/108331 ,  Y10T436/109163

Abstract: A method for producing a liquid phase substance having a pre-established concentration of CO₂ suitable for calibrating analytical instruments such as hemogasanalyzers consists in:

preparing an aqueous solution of precisely known strength of a water-soluble salt of carbonic acid (bicarbonate or alkaline carbonate),
then transferring said solution to a flow reactor containing a cation exchange resin in hydrogenionic form,
passing the aforesaid solution of carbonic acid salt through the aforesaid cation resin,
thereby achieving the reaction of producing a pre-established quantity of CO₂, and
transferring the eluate thus obtained directly to the analytical instrument for calibration.

Abstract translation: 如hemogasanalyzers besteht中：一种制造具有适合用于校准分析仪器CO 2的预先建立的浓度的液体相物质的方法准备wässrige的碳酸的水溶性盐的精确的已知浓度的溶液（碳酸氢盐或碱金属碳酸盐） ，然后转移环所述溶液的流动反应器包含在hydrogenionic形式的阳离子交换树脂，使碳酸盐的上述溶液通过上述阳离子树脂，由此实现生产CO 2的预先建立的量的反应，并传递环的洗脱液 从而直接获得用于校准的分析仪器。 我