CA870767A - Apparatus and method for determining and regulating the concentration of potash lye - Google Patents

Apparatus and method for determining and regulating the concentration of potash lye

Info

Publication number
CA870767A
CA870767A CA870767DA CA870767A CA 870767 A CA870767 A CA 870767A CA 870767D A CA870767D A CA 870767DA CA 870767 A CA870767 A CA 870767A
Authority
CA
Canada
Prior art keywords
regulating
concentration
determining
potash lye
potash
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired
Application number
Inventor
Henkel Hans-Joachim
Kozdon Friedrich
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Siemens AG
Original Assignee
Siemens AG
Publication date
Application granted granted Critical
Publication of CA870767A publication Critical patent/CA870767A/en
Expired legal-status Critical Current

Links

Classifications

    • GPHYSICS
    • G01MEASURING; TESTING
    • G01NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N21/00Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
    • G01N21/17Systems in which incident light is modified in accordance with the properties of the material investigated
    • G01N21/25Colour; Spectral properties, i.e. comparison of effect of material on the light at two or more different wavelengths or wavelength bands
    • G01N21/31Investigating relative effect of material at wavelengths characteristic of specific elements or molecules, e.g. atomic absorption spectrometry
    • G01N21/35Investigating relative effect of material at wavelengths characteristic of specific elements or molecules, e.g. atomic absorption spectrometry using infrared light
    • G01N21/3577Investigating relative effect of material at wavelengths characteristic of specific elements or molecules, e.g. atomic absorption spectrometry using infrared light for analysing liquids, e.g. polluted water
CA870767D Apparatus and method for determining and regulating the concentration of potash lye Expired CA870767A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA870767T

Publications (1)

Publication Number Publication Date
CA870767A true CA870767A (en) 1971-05-11

Family

ID=36356802

Family Applications (1)

Application Number Title Priority Date Filing Date
CA870767D Expired CA870767A (en) Apparatus and method for determining and regulating the concentration of potash lye

Country Status (1)

Country Link
CA (1) CA870767A (en)

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