Circular of the National Bureau of Standards, Issue 440U.S. Government Printing Office, 1942 |
From inside the book
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Page iii
... APPARATUS 1. Nature of polarized light .. 2. Inhomogeneity of light and incoherency of light beams 3. Composition of rectilinear oscillations having different azimuths .. 4. Composition of circular oscillations_ 5. Polarization by ...
... APPARATUS 1. Nature of polarized light .. 2. Inhomogeneity of light and incoherency of light beams 3. Composition of rectilinear oscillations having different azimuths .. 4. Composition of circular oscillations_ 5. Polarization by ...
Page iv
... . 94 ( c ) Corrections for use in tropical countries – 94 ( d ) Sugar mixtures .. 96 4. Thermostats_ . 97 ( a ) Water . 97 ( b ) Air ... 97 5. References . 102 Page VI . Accessory apparatus_- 1. Polariscope tubes- 102 102 IV Contents.
... . 94 ( c ) Corrections for use in tropical countries – 94 ( d ) Sugar mixtures .. 96 4. Thermostats_ . 97 ( a ) Water . 97 ( b ) Air ... 97 5. References . 102 Page VI . Accessory apparatus_- 1. Polariscope tubes- 102 102 IV Contents.
Page ix
... Apparatus . 238 ( 2 ) Determination of the cell constant . ( 3 ) Determination__ ( k ) Malic - acid value ( Cowles ) —tentative_ 3. Determination of sugars in milk products . ( a ) Determination of the volume of the precipitate . ( b ) ...
... Apparatus . 238 ( 2 ) Determination of the cell constant . ( 3 ) Determination__ ( k ) Malic - acid value ( Cowles ) —tentative_ 3. Determination of sugars in milk products . ( a ) Determination of the volume of the precipitate . ( b ) ...
Page x
... Apparatus . ( a ) Bridge . 265 265 266 266 ( b ) Null - point indicator_ ( c ) Oscillator .. ( d ) Conductivity cell_ ( e ) Electrodes___ ( f ) Constant - temperature bath .. 3. Procedure_ . ( a ) Equilibrium water .. 267 268 268 269 ...
... Apparatus . ( a ) Bridge . 265 265 266 266 ( b ) Null - point indicator_ ( c ) Oscillator .. ( d ) Conductivity cell_ ( e ) Electrodes___ ( f ) Constant - temperature bath .. 3. Procedure_ . ( a ) Equilibrium water .. 267 268 268 269 ...
Page xi
... apparatus - - 318 ( c ) Compensating vacuum phototube photometer ... 319 ( d ) Keane and Brice sugar photometer .. ( e ) Mercury - arc spectral filters - 321 324 6. Filter aids and filtration of solutions_ 324 ( a ) Preparation of ...
... apparatus - - 318 ( c ) Compensating vacuum phototube photometer ... 319 ( d ) Keane and Brice sugar photometer .. ( e ) Mercury - arc spectral filters - 321 324 6. Filter aids and filtration of solutions_ 324 ( a ) Preparation of ...
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Common terms and phrases
acetate amount analysis apparatus axis azimuth beam boiling Brix Bureau of Standards C. S. Hudson calcium carbon cell CH₂OH CHCl3 Chem chloride coefficient color concentration constant containing cooled copper correction crystals determined deut dextrose dilute dissolved distilled electrode elliptically equation equilibrium evaporated FIGURE filter filtrate flask glass glycosides grams H. S. Isbell H₂O heating hydrochloric acid instrument International Sugar Scale invert sugar invertase lactose lamp lead acetate levulose liquid measurements melting method methyl alcohol mg mg mg mixture molasses mutarotation National Bureau nicol nicol prism normal weight obtained optical rotation oscillation oxide percent plane polarized polariscope polarized light potassium precipitate prism quantity quartz quartz control plates raffinose reaction reading reducing sugars refracting Research NBS saccharimeter sample sirup sodium specific rotation substance sucrose sucrose solutions sugar solution sulfate sulfuric acid temperature tion titration tube vacuo volume washed wave length