Boraq 2
Plainsman Plastic Gerstley Borate Substitute
| Oxide | Analysis | Formula |
| CaO | 25.40% | 0.46 |
| MgO | 3.60% | 0.09 |
| K2O | 0.50% | 0.005 |
| Na2O | 3.20% | 0.05 |
| Al2O3 | 2.40% | 0.024 |
| B2O3 | 26.50% | 0.39 |
| SiO2 | 11.90% | 0.20 |
| Fe2O3 | 0.10% | 0.001 |
| LOI | 26.40 |
| Oxide Weight | 75.12 | | Formula Weight | 102.07 |
| Enter the formula and formula weight directly into the Insight MDT dialog (since it records materials as formulas).
Enter the analysis into an Insight recipe and enter the LOI using Override Calculated LOI (in the Calc menu). It will calculate the formula. |
Boraq 2 is derived from Boraq 1 in response to two issues:
-The formula weight of Boraq 1 was too high. This alerted us that the chemistry was more significantly different from Gerstley Borate than the unity formula suggested. We added 8 dolomite and 8 whiting to match up the percentage analysis numbers much better than they had been.
-Boraq 1 was not working well with iron reds. After making the above changes it became evident that this was because of either the lack of CaO or the lack of limestone-like minerals that occur in Gerstley Borate.
This material has a much lower formula weight (although it is still higher than GB which likely contained more clay and tramp minerals than Boraq).
Out Bound Links
- (URLs)
Boraq 2 Data Sheet
http://plainsmanclays.com/data/MBORAQ.HTM - (Typecodes)
1: FLS - Flux Source
- (MDT - Member)
North America
The decision about what materials to include in th... - (MDT - Member)
Australia
We are working on this database and would apprecia... - (MDT - Member)
New Zealand
We are working on this database and would apprecia...
In Bound Links
- (Materials - Related)
Boraq - Plainsman Plastic Gerstley Borate Substitute
Boraq 1
- (Materials - Related)
Boraq 3 - Plainsman Plastic Gerstley Borate Substitute
By Tony Hansen    
XML for Import into INSIGHT
<?xml version="1.0" encoding="UTF-8"?>
<material name="Boraq 2" descrip="Plainsman Plastic Gerstley Borate Substitute" searchkey="" loi="0.00" casnumber="167077-83-0">
<oxides>
<oxide symbol="CaO" name="Calcium Oxide, Calcia" status="U" percent="25.400" tolerance=""/>
<oxide symbol="MgO" name="Magnesium Oxide, Magnesia" status="U" percent="3.600" tolerance=""/>
<oxide symbol="K2O" name="Potassium Oxide" status="U" percent="0.500" tolerance=""/>
<oxide symbol="Na2O" name="Sodium Oxide, Soda" status="U" percent="3.200" tolerance=""/>
<oxide symbol="Al2O3" name="Aluminum Oxide, Alumina" status="" percent="2.400" tolerance=""/>
<oxide symbol="B2O3" name="Boric Oxide" status="U" percent="26.500" tolerance=""/>
<oxide symbol="SiO2" name="Silicon Dioxide, Silica" status="" percent="11.900" tolerance=""/>
<oxide symbol="Fe2O3" name="Iron Oxide, Ferric Oxide" status="" percent="0.100" tolerance=""/>
</oxides>
<volatiles>
<volatile symbol="LOI" name="Loss on Ignition" percent="26.400" tolerance=""/>
</volatiles>
</material> | 
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