| Potential Capital: | From ৫০০০০ taka To ৮০০০০ taka | |||
|---|---|---|---|---|
| Potential Gain: | For making 1 kg of boric acid, the expenditure is Tk 300-400. The selling price is Tk 700-1200. |
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| Required Materials: | Pan, electric operated starrer vacuum, crystallizer, vacuum evaporator, brick- filtration apparatus. |
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| Preparation Method: | At first the solution must be made of borax and sulfuric acid after putting them on two vessels. Now the solution of sulfuric must be mixed with the solution of borax. Now the hot mixture must be filtered. Continuing the filter process the borax must be separated from the mixture as it is continuously heated. It must be filtered for at least 3-4 times. Then with the help of vacuum evaporator it is made condensed and crystalized. Generally boric acid is of two types. One is pure eight which is used in medicine industry and the other one is technical quality which is produced to use syrup. |
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| Marketing: | Communicating with the medicine, glass, rubber producing industry, boric acid can be supplied there.
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| Ability: | Chemical knowledge must be needed to produce boric acid. If one is trained, the amount of losses is less in making the product. |
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