Testing of filter paper; determination of retentivity
€24.39
Filter papers for chemical analyses; classification, designation, main properties, methods of test
Determination of hydroxyl value
Determination of Acid Value
Testing of filter paper; determination of rate of filtration on freely suspended filters
Iodine number; determined by hydrogenation
Preparation of methyl esters of fatty acids for analysis by gas chromatography
pH measurement; definition of general terms
pH measurement; terminology for measuring methods with galvanic cells
€34.30
pH measurement; reference electrodes, detachable
pH-measurement; supplementary PH-measuring apparatus, technical features
pH measurement; standard buffer solutions
pH measurement; technical buffer solutions, preferably for the calibration of technical measuring installations
Thermostats; general concepts
Thermostats; liquid thermostats, concepts and determination of characteristic data
