CN1171956C - Poison-free correcting fluid - Google Patents
Poison-free correcting fluid Download PDFInfo
- Publication number
- CN1171956C CN1171956C CNB021337861A CN02133786A CN1171956C CN 1171956 C CN1171956 C CN 1171956C CN B021337861 A CNB021337861 A CN B021337861A CN 02133786 A CN02133786 A CN 02133786A CN 1171956 C CN1171956 C CN 1171956C
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- CN
- China
- Prior art keywords
- correcting fluid
- bottle
- grams
- concentration
- fluid
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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Abstract
The present invention discloses nontoxic correcting fluid which is prepared from potassium permanganate, sodium sulfite and diluted sulfuric acid as raw materials. The correcting fluid has the advantages of simple preparation method, low price, convenient operation, no special abnormal smell and no toxic hazard to human body. The correcting fluid can reduce the natural color of paper after removing writing.
Description
Technical field: the present invention relates to correction fluid, particularly a kind of non-toxic correction liquid.
Background technology: correction product in the market comprises that opaquing fluid, correction pen and correction band etc. all contain the halohydrocarbon (trichloromethane, trieline, zellon) and the benzene series thing toxicants such as (toluene) of different concns, not only the smell is awful and stimulate respiratory tract, also can cause a N﹠T inflammation, symptom such as cause headache, feel sick, life-time service, can cause chronic toxicity to accumulate, human body is damaged, bigger to teen-age harm especially.
Summary of the invention: the object of the present invention is to provide a kind of preparation convenient, do not have any specific peculiar smell and can go back the non-toxic correction liquid of the true qualities of body paper.
The present invention is achieved in that it is made up of first bottle, second bottle, the first bottle is 0.3% by concentration, and------to add concentration be 10% to 30 grams---dilute sulphuric acid 1 of 20%---that 5 grams are formulated, and the second bottle is 5% by concentration, and------30 grams add concentration to be 10%---dilute sulphuric acid 1 of 20%---5 grams are formulated 15% sodium sulfite solution 10 0.5% potassium permanganate solution 10.
It is easy that the present invention compared with prior art has compound method, and low price is easy to use, and do not have any specific peculiar smell, can not produce any murder by poisoning to human body, and this correction fluid is eliminated the true qualities of reducible paper behind the writing.
The specific embodiment of the present invention: with concentration be 0.4% potassium permanganate solution, 20 grams to add concentration be that 15.5% dilute sulphuric acid 3 grams mix and shake up, be red-purple, promptly get first bottle correction fluid; With concentration is 10% sodium sulfite solution, 20 grams, adds concentration and is 15.5% dilute sulphuric acid 3 grams and mix and shake up, and promptly gets second bottle correction fluid.With the correction fluid of first bottle the pigment oxidation in the writing is eliminated earlier during use, then itself be reduced into positive quaternary Manganse Dioxide and show brown, correction fluid with the second bottle is colourless (unnecessary potassium permanganate of while also is reduced into mn ion and is colourless) with the manganese that Manganse Dioxide is reduced into positive divalence again, because, potassium permanganate has oxidisability, and S-WAT has reductibility.Go up according to this principle, use non-toxic correction liquid can eliminate writing and make paper be reduced into true qualities.
Claims (1)
1, a kind of non-toxic correction liquid, it is made up of first bottle, second bottle, it is characterized in that: the first bottle is 0.3% by concentration, and------to add concentration be 10% to 30 grams---dilute sulphuric acid 1 of 20%---that 5 grams are formulated, and the second bottle is 5% by concentration, and------30 grams add concentration to be 10%---dilute sulphuric acid 1 of 20%---5 grams are formulated 15% sodium sulfite solution 10 0.5% potassium permanganate solution 10.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB021337861A CN1171956C (en) | 2002-09-18 | 2002-09-18 | Poison-free correcting fluid |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB021337861A CN1171956C (en) | 2002-09-18 | 2002-09-18 | Poison-free correcting fluid |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1408795A CN1408795A (en) | 2003-04-09 |
| CN1171956C true CN1171956C (en) | 2004-10-20 |
Family
ID=4747390
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB021337861A Expired - Fee Related CN1171956C (en) | 2002-09-18 | 2002-09-18 | Poison-free correcting fluid |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN1171956C (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103763865B (en) * | 2014-02-13 | 2016-05-04 | 遂宁市广天电子有限公司 | Welding resistance ink hand-hole processing method |
-
2002
- 2002-09-18 CN CNB021337861A patent/CN1171956C/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| CN1408795A (en) | 2003-04-09 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |