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Document Title |
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4090925 |
PH measuring instrument and method
A pH measuring instrument includes a specimen probe having parallel front and rear panels with a planar electrode mounted on each and electrically coupled to a meter movement. Each electrode...
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4028196 |
PH Responsive glass compositions and electrodes
Disclosed are pH responsive glass compositions which contain specified proportions of LiO 2 , SiO 2 , La 2 O 3 , and Ta 2 O 5 . In some embodiments, the glasses also contain a small proportion of...
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4026774 |
Coulometric measuring method
The invention relates to coulometric measuring for the determination of the concentration and/or factor of acids or bases. A reference electrode and a measuring electrode sensitive to the activity...
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4011297 |
In-situ pH measurement of organic-continuous solvent extraction processes
An improved liquid-liquid extraction process for separating metals from each other in which an aqueous solution containing metals is mixed with an organic solution containing an extraction agent...
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3941565 |
Clinical testing means and methods
Clinical testing means for determining pH dependent body fluid substances. In vivo ionized calcium concentration is obtained by withdrawing a blood specimen, determining the pH of the serum when...
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3875021 |
Method and means of sensing characteristics of a bath
In certain industrial processes involving aqueous baths containing suspended substances, electrical probes are used to sense and/or control the characteristics of the baths. The electrodes, and...
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3874850 |
Blood analyzing method and apparatus
An automatic blood sample analyzer for automatically measuring one or more unknown data or parameters of the blood samples, such as partial pressure of carbon dioxide, partial pressure of oxygen,...
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3875022 |
AUTOMATIC ELECTROMETRIC ANALYSIS
Apparatus for electrometric analysis is described in which a liquid specimen is poured into a wide-mouthed sample cup in which a detector electrode is disposed. The cup rotates to mix the specimen...
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3839162 |
METHOD AND APPARATUS FOR THE DETERMINATION OF THE CONCENTRATION OF RELEVANT IONS IN AQUEOUS SOLUTIONS
A system for determining the concentration of specific ions in a first aqueous solution wherein a second aqueous solution containing the specific ions is treated in an ion exchanger so that a third...
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3779265 |
APPARATUS FOR CONTINUOUS MEASUREMENT AND CONTROL OF FLOTATION CONDITIONS
A method and apparatus necessary to carry out the method of continuous measurement, recordation, and correction of the varying electrode potential or E.M.F. within an ore slurry containing...
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3769178 |
METHOD AND APPARATUS FOR END POINT DETECTION IN POTENTIOMETRIC TITRATION
A method of automatically determining the end point of a potentiometric titration and apparatus for carrying out the method are disclosed. A titrant is added to a solution at a measured rate by a...
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3713992 |
GLASS ELECTRODE FOR DETERMINING pH VALUE AT SUPER HIGH TEMPERATURES
A glass electrode used for determining pH-values particularly at elevated temperatures, the active part of which is formed of a glass membrane composed of a glass that comprises as essential...
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3616272 |
APPARATUS FOR MAKING CONTINUOUS MEASUREMENTS IN LIQUID MEDIA
The invention relates to apparatus for making continuous measurements in liquid media slowly traveling upwardly, which tend to form deposits, in which apparatus a branch line contains at least one...
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3528778 |
METHOD FOR THE DETERMINATION OF ACID CONCENTRATIONS
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3498289 |
METHOD FOR IN VIVO POTENTIOMETRIC MEASUREMENTS
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3467582 |
METHOD FOR THE DETERMINATION OF ACID-BASE STATUS IN BIOLOGICAL FLUIDS
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3466228 |
METHOD FOR DETERMINING MINOR QUANTITY OF STRONG ACID IN MAJOR QUANTITY OF WEAK ACID
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3455793 |
METHOD OF PROVIDING FOR LIQUID JUNCTION
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3365376 |
Apparatus and method for the continuous measurement of the ion concentration in a liquid
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3350636 |
Gas diffusion electrodes and ph measurements carried out therewith
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3294652 |
Measurement of sulfuric acid and oleum concentration
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3275533 |
Method and apparatus for automatic titration
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3219556 |
Ion measurement apparatus and method
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2977293 |
Method for the determination of ion concentrations and redox potentials, particularly at elevated temperatures
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2782151 |
Method of testing oils
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3681205 |
Title is not available
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3554710 |
Title is not available
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3689378 |
Title is not available
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3681255 |
Title is not available
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3565769 |
Title is not available
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3709796 |
Title is not available
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