STUDI EFEK KERR UNTUK PENGUJIAN TINGKAT KEMURNIAN AQUADES, AIR PAM DAN AIR SUMUR

ABSTRACT: In  this  research  was  discussed  about  the  ratio of  purity  level  of  aquades,  running  water,  and  well water  by  using  the  Kerr  effect. Several substances  being  used  are  sugar  solutions with  the concentration  of  10%,  20%,  30%,  40%  and  50%  for linearity  testing,  salt  solutions with  the concentration  of  10%,  30%  and  50%  for the  testing  of  ionic  response  which  be  infested  by  some dipoles  of  H2O  molecules  in  the  salt  solution toward the external  electrical  field,  and  also  aquades, running water and well water as the water samples having the different purity. The external electrical field  being  given  in the  substances  from zero  to  9×105V/m  and  awakened  by  conducting  the  direct current of electric on the parallel  plates.  A light  beam being used is a diode laser with  λ= 645 nm. The result of research was showing that the presence of external electrical field causing the difference of polarization angle  indicating the purity level of water kinds since influenced by ions in the water. Based  on  the  ions  containing  in  it  have  been  known  that  the  value  of  aquades  purity  is  4  ppm,  he value of running water purity is 108 ppm and the value of well water purity is 190 ppm. So, aquades is purer  than  running  water  and  running  water  is  purer  than  well  water.  The  average  value  of polarization angle of aquades, running water, and well water is approximately 0,50º, 0.25º and -0,25º respectively.
Key words: Kerr Effect, electrical field, polarization angle
Penulis: Kristantyo Sukarsono, Indras Marhaendrajaya, K. Sofjan Firdausi
Kode Jurnal: jpfisikadd080033

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