Method and apparatus for measuring of enthalpy changes by means of a quasi - isothermal heating methods operating differential thermal analysis apparatus (dta - apparatus)

摘要

the object of the invention is the procedure itself is known, the quasi - izu0151termfu0171tu00e9stechniku00e1t alkamazu00f3 differential analysis (dta termiku0171s q) method, and the sample is measured hu0151mu00e9rsu00e9kletvu00e1ltu0151zu00e1su00e1t (t, s)valamintentalpiavu00e1ltu0151zu00e1su00e1nak rate (q dtat) signalling lefu0171tu00e1su00e1nak azu00e1talaku00edtu00e1su00e1ra felbu0151ntu00f3ku00e9pessu00e9gu00fck curves, and szelektivitu00e1su0171k nu00f6velu00e9seu00e9rdeku00e9ben.the procedure is hu0151gy q dtat fu0151lyamatu0151san curve of the sample is integrated, the integrated signal is converted depending on the q - dtat,i'll u0171tu00f3bbit derivu00e1lju00e1k d q - dtat regisztu00e1lju00e1k and both of them.the object of the invention is to achieve the procedure, tu0151vu00e1bbu00e1 apparatus, which consists of the hu0151gy, quasi - izu0151term fu0171tu00e9stechniku00e1t usingdifferential analyzer itself is known termiku0171s ku00e9szu00fclu00e9kszembekapcsu0151lt termu0151elemeinek (5, 6) according to the invention, the u00e1ramku00f6ru00e9be, carrying out the integration of the signal q dtat fu0151lyamatu0151s body (18) is connected.this integrated signal (q dtat) the function of the time of the mintahu0151mu00e9rsu00e9kletu00e9nek (t's) of the converter (19), fu00fcggvu00e9nyu00e9vu00e9 elektru0151niku0171sszerkezetteland this is the u00e1talaku00edtu0151tt signal (q dtat) derivu00e1lu00f3berendezu00e9ssel (21) is elektru0151mu0151s kapcsu0151latban, produced by the elu0151bbijel derivu00e1ltju00e1t (d, q dtat).both the two u0171tu00f3bbi signal u00e1rammu00e9ru0151 apparatus (20, 22) measuring and recording device (23, 24) records.the object of the invention, the above described apparatus, tu0151vu00e1bbu00e1 u0151lyanvu00e1ltu0151zata,at which the sample entalpiavu00e1ltu0151zu00e1su00e1t measuring and quasi - izu0151termfu0171tu00e9spru0151grammal operating system is not termiku0171selemzu0151 jelku00e9pzu0151 differential deviceit is known mu0171ku00f6du0151differenciu00e1l scanning principle, according to kalu0151rimu00e9ter, or dinamiku0171s differenciu00e1lkalu0151rimu00e9ter. a