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UDC 549.768.1

UDC: FONT TIMES NEW ROMAN, the SIZE 10, CAPITAL LETTERS

PHASE TRANSFORMATIONS KAINITE

the NAME of CLAUSE: FONT TIMES NEW ROMAN, the SIZE 10, FAT, CAPITAL LETTERS

P.M.Bilonizhka

the Initials and the Surname: Font Times New Roman, the size 10, Fat).

The Lvov national university of a name of Ivan Franko

of 79005 Lvov, street. Grushevsky, 4

e-mail: geomin@franko.lviv.ua

the Name of the organization, the address, e-mail: Font Times New Roman, the size 10, italics

Are investigated phase transformations kainite during heating at temperatures 100, 200, 300, 400 and 600°C on the basis the analysis roentgenometry. It is found out, that destruction of crystal structure kainite occurs in an interval of temperatures 100-300° From products of its disintegration turn out langbeinit, silvin, magnesium and are allocated H2O and HCl. With the further heating kainite up to 600°C products of its disintegration langbeinit and silvin remain stable, and magnesium is displayed on Mg and HCl.

The Ukrainian summary: Font Times New Roman, the size 9, usual, a space on 1 sm from two parties from border of the basic text, ? deviation 0,5 see.

Keywords: kainite, heating, phase transformations, X-ray analys³s, katagenesis, dynamometamorph³sm.

    (Keywords:: Font Times New Roman, the size 9, italics, ACTUALLY KEYWORDS: Font Times New Roman, the size 9, a usual font, deviation on 1 sm from two parties, from border of the basic text, deviation of 0,5 sm)

kainite belongs to the main minerals of deposits of potassium-magnesian salts of Prikarpatye which are the important raw material for development of the mountain-chemical industry of Ukraine. Mainly it meets as fine, medium-grained Units which form close joints with langbeinit, silvin, galit, kiserit, polygalit and other minerals [2].

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Fig. 1. A curve of loss of weight during heating (a) and different a curve of heating (b) crystals kainite.

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3KMg[Cl/SO4]3H2O

=

K2Mg2[SO4]3

+

KCl

+

MgOHCl

+

HCl

+

8H2O.

 

100%

 

55,56%

 

9,98%

 

10,28%

 

4,88%

 

19,30%

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An example of registration of the table

Table 1 Results of the spectral analysis andesits.

Number of test Contents in %

Âì³ñò ó %

Na

Cr

Ge

Au

1

0,23

0,01

0,0014

0,003

2

0,54

0,0024

0,0312

0,0014

3

0,35

-

0,002

0,0068

Example of registration of the list of the used references

1. Berg L.G. Introduction in thermography., 1961.

2. Bilonizhka P.M., Malashevsky V.V.Crystal kainite of Stebnyk a potash deposit in Prikarpatye // the Mineral. Digest. 1961. N15. With. 277-284.

3. Glinka M.L. General chemistry. K., 1976.

4. Jorysh Z.I., Griniv S.P., Skulskaja L.I. Revizija reference X-ray analys³s the data with the help of theoretical roentgenograms (on an example kainite) // the Mineral. Digest. 1987. N 41. Issue 2. With. 88-92.

5. Kovalevich V.M. Physical and chemical of a condition of formation of salts of Stebnyk of a potash deposit. K., 1978.

6. Korin S.S., Sadovyj V.F., Mosora T.M. Dependence Zavisimost of mineral structure of potash breeds Prikarpatye from their conditions Bedding // Evaporits Ukraine. K., 1985.50-57.

7. Korobtsova M.S. Mineralogija of potash deposits of East Prikarpatye // Questions of mineralogy of sedimentary formations. 1955. V. 2. With. 3-137.

The list of the literature is made out in alphabetic order

KAINITE PHASE TRANSFORMATION UNDER HEATING A GEOLOGICAL SIGNIFICANCE

The NAME of CLAUSE: FONT TIMES NEW ROMAN, the SIZE 10, FAT, CAPITAL LETTERS, ENGLISH

 

P.M. Bilonizhka

the Initials and the Surname: Font Times New Roman, the size 10, fat, English,.

Ivan Franko National University of Lviv,

Hrushevskij st. 4, UA - 79005 Lviv

e-mail: geomin@franko.lviv.ua

the Name of the organization, the address, e-mail: Font Times New Roman, the size 10, italics, English

Transformation of the  kainite under heating has been investigated  on  the  basis  of X-ray analysis results. Kainite crystalline structure as was determined is destructed in temperature interval about 100-300°C. At the expense of destruction products langbeinite, sylvite and magnesium hydroksochloride forming take place as well as H2O and HCl exudation.

Under heating of the kainite to 600°C such destruction products as langbeinite and sylvite are stable while magnesium hydroksochloride disintegrates into MgO and HCl. Kainite transformations are presented in chemical equation appearance with every phase content calculation. Kainite mass loss under heating and its conduct in katagenesis process as well as in dynamometamorphism ones has been ascertained.

Key words: kainite, heating, phase transformations, X-ray analysis, katagenesis, dynamometamorphism.

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Clause has acted to an editorial board 2003

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