Russian Journal of Inorganic Chemistry, Tập 5,Trang 1-676Chemical Society., 1960 |
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Trang 194
... thermocouple varies with tem- perature along a parabolic curve of the second order . At 1600 ° its t.e.m.f. is 16.76 mV . The other couples all have lower thermoelectromotive forces , the t.e.m.f. for the ( platinum + 13 % rhodium ) ...
... thermocouple varies with tem- perature along a parabolic curve of the second order . At 1600 ° its t.e.m.f. is 16.76 mV . The other couples all have lower thermoelectromotive forces , the t.e.m.f. for the ( platinum + 13 % rhodium ) ...
Trang 195
... thermocouple materials . 1. ° C Rh Ir Pt + 20 % Rh Ir + 60 % Rh Pt + 20 % Rt + Ir 0 3.94 4.62 18.97 10.24 21.15 100 5.76 6.46 21.46 12.28 22.84 200 7.58 8.30 23.96 14,39 24.95 300 9.43 10.15 26.26 16.56 27.11 400 11.32 12.01 28.94 18.82 ...
... thermocouple materials . 1. ° C Rh Ir Pt + 20 % Rh Ir + 60 % Rh Pt + 20 % Rt + Ir 0 3.94 4.62 18.97 10.24 21.15 100 5.76 6.46 21.46 12.28 22.84 200 7.58 8.30 23.96 14,39 24.95 300 9.43 10.15 26.26 16.56 27.11 400 11.32 12.01 28.94 18.82 ...
Trang 196
... thermocouple at high tem- peratures is very convenient for calibration and allows ex- trapolation . Due to the melting of one element the absolute temperature limit of this thermocouple lies near 2340 ° . The high - temperature ...
... thermocouple at high tem- peratures is very convenient for calibration and allows ex- trapolation . Due to the melting of one element the absolute temperature limit of this thermocouple lies near 2340 ° . The high - temperature ...
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acid Akad alcohol alkali alloys aluminium ammonia ammonium analysis aqueous phase aqueous solution caesium calculated carbonate cerium Chem chemical Chemistry chloride CO₂ coefficient complex composition compound concentration constant coprecipitation corresponding crystallisation crystals decomposition determined diagram ditto electrode endothermic equilibrium equiv ether eutectic eutectic point experimental extraction formation formed g/litre H₂O H₂O system hafnium HCIO heating curve hydrate hydrochloric acid hydrogen hydrolysis hydroxide increase ions isotherm kcal/mole Khim measured melting metal method mixture mole molecules Na₂SO NaCl NaOH Nauk SSSR Neorg nickel nitrate nitric nitric acid obtained organic phase oxidation perchloric perchloric acid platinum potassium precipitate ratio reaction rhodium salt saturated shows silicate sodium solid phase solid solutions solu solubility solvates stability studied sulphate Table temperature thermal thermocouple thermogram tion titanium tributyl phosphate values vanadium vapour X-ray Zhur zinc zirconium