Chemical News and Journal of Physical Science, Tom 115Chemical news office., 1917 |
Z wnętrza książki
Wyniki 1 - 5 z 100
Strona 3
... Iron and Steel Institute , 1898 , . , 145 ) , who observed it " in certain steels and pure irons , originally of fine grain , produced by fcrging or certain heat treat- ment , " when annealed between 500 ° C. ( 930 ° F. ) where where ...
... Iron and Steel Institute , 1898 , . , 145 ) , who observed it " in certain steels and pure irons , originally of fine grain , produced by fcrging or certain heat treat- ment , " when annealed between 500 ° C. ( 930 ° F. ) where where ...
Strona 4
... iron will be found in Chappell's article ) . For greater convenience in handling , grooves were also impressed at intervals across the bar . These bars were heated at one end in a furnace , the other end being kept cool in the air ...
... iron will be found in Chappell's article ) . For greater convenience in handling , grooves were also impressed at intervals across the bar . These bars were heated at one end in a furnace , the other end being kept cool in the air ...
Strona 7
... iron . The electrolytic metal was nearly free from iron , but contained the other impurities . The four times crystal.ised zinc bromide contained the merest traces of cadmium and lead , while in the spectrograms obtained with the final ...
... iron . The electrolytic metal was nearly free from iron , but contained the other impurities . The four times crystal.ised zinc bromide contained the merest traces of cadmium and lead , while in the spectrograms obtained with the final ...
Strona 9
... Iron . R'Fe ( SO4 ) 2 , 0'05 molar . H2SO4 , 001 rolar . K. = C = 5'00 Co = 0'44 บ = At = с ki 580 560 540 520 500 480 8 8 8 8 8 460 8 436 8.20 11993 15.68 19'15 22 68 2567 3'90 3.93 3.90 3.99 3'78 3'59 3'73 3.87 3'91 3.89 3.99 3'79 ...
... Iron . R'Fe ( SO4 ) 2 , 0'05 molar . H2SO4 , 001 rolar . K. = C = 5'00 Co = 0'44 บ = At = с ki 580 560 540 520 500 480 8 8 8 8 8 460 8 436 8.20 11993 15.68 19'15 22 68 2567 3'90 3.93 3.90 3.99 3'78 3'59 3'73 3.87 3'91 3.89 3.99 3'79 ...
Strona 10
... iron concentration determined once for all by reducing duplicate samples in a Jones reductor and titrating with 002 normal perman- ganate . The ferrous iron concentration at various stages of the reaction was found by direct titration ...
... iron concentration determined once for all by reducing duplicate samples in a Jones reductor and titrating with 002 normal perman- ganate . The ferrous iron concentration at various stages of the reaction was found by direct titration ...
Inne wydania - Wyświetl wszystko
Kluczowe wyrazy i wyrażenia
acetic alcohol alkali ammonia amount amylase analysis analytical annealing apparatus application atomic B.Sc boiling British calcium carbon cent Chem CHEMICAL NEWS Office chemistry chemists chert chloride colloidal colour compounds concentration containing copper crystallisation determined dilute dissolved distilled dyes dysprosium engineering erbium evaporated experiments Explosives Farringdon Street ferric filtered fractions glass grains grms heat hydrochloric acid hydrogen hydrogen peroxide hydroxide increase industry Institution iron J. J. THOMSON Journ Laboratory lead liquid London maltose manufacture material matter metal method mixture molar Newcastle Street nickel nitrate nitric acid nitrile nitrogen obtained oxide oxidising paper peroxide phosphate potassium precipitate present production Prof pure pyrites reaction reagent Research salt samples Society sodium sodium hydroxide soil soluble solution starch steel substances sulphate sulphide sulphuric acid superphosphate supply Table temperature tion toluene trinitrotoluene velocity volume weight zinc ΙΟ