<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0 Transitional//EN">
<HTML><HEAD>
<META http-equiv=Content-Type content="text/html; charset=iso-8859-2">
<META content="MSHTML 6.00.2900.2604" name=GENERATOR>
<STYLE></STYLE>
</HEAD>
<BODY bgColor=#ffffff>
<DIV><FONT face=Arial size=2>Zdravim.</FONT></DIV>
<DIV><FONT face=Arial size=2>Prosim vedel by mi niekto povedat ci je velky
rozdiel medzi</FONT></DIV>
<DIV><FONT face=Arial size=2>chemikaliami: </FONT><FONT face=Arial
size=2>Dvojchroman sodny dihydrat Na2Cr2O7.2H2O a dvojchroman sodny
Na2Cr2O7?</FONT></DIV>
<DIV><FONT face=Arial size=2>dvojchroman sodny mam v jednom postupe na leptanie
a zohnat sa da len ten dihydrat.</FONT></DIV>
<DIV><FONT face=Arial size=2></FONT> </DIV>
<DIV><FONT face=Arial size=2>Da sa pouzit aj tento dihydrat....?</FONT></DIV>
<DIV><FONT face=Arial size=2>Sorry za trochu chem. OT.</FONT></DIV>
<DIV><FONT face=Arial size=2>dik. michal</FONT></DIV></BODY></HTML>