CN101933510A - Long-acting sodium hypochlorite aqueous solution - Google Patents
Long-acting sodium hypochlorite aqueous solution Download PDFInfo
- Publication number
- CN101933510A CN101933510A CN2010101923364A CN201010192336A CN101933510A CN 101933510 A CN101933510 A CN 101933510A CN 2010101923364 A CN2010101923364 A CN 2010101923364A CN 201010192336 A CN201010192336 A CN 201010192336A CN 101933510 A CN101933510 A CN 101933510A
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- China
- Prior art keywords
- sodium hypochlorite
- long
- stabilizing agent
- aqueous sodium
- solution
- 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.)
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Links
- SUKJFIGYRHOWBL-UHFFFAOYSA-N sodium hypochlorite Chemical compound [Na+].Cl[O-] SUKJFIGYRHOWBL-UHFFFAOYSA-N 0.000 title claims abstract description 41
- 239000005708 Sodium hypochlorite Substances 0.000 title claims abstract description 26
- 239000007864 aqueous solution Substances 0.000 title claims abstract description 10
- 239000000243 solution Substances 0.000 claims abstract description 29
- 239000003381 stabilizer Substances 0.000 claims abstract description 24
- 238000003756 stirring Methods 0.000 claims abstract description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 19
- KKEYFWRCBNTPAC-UHFFFAOYSA-N Terephthalic acid Chemical compound OC(=O)C1=CC=C(C(O)=O)C=C1 KKEYFWRCBNTPAC-UHFFFAOYSA-N 0.000 claims description 12
- 239000000203 mixture Substances 0.000 claims description 6
- XNGIFLGASWRNHJ-UHFFFAOYSA-N phthalic acid Chemical compound OC(=O)C1=CC=CC=C1C(O)=O XNGIFLGASWRNHJ-UHFFFAOYSA-N 0.000 claims description 6
- 238000002360 preparation method Methods 0.000 claims description 6
- 239000000047 product Substances 0.000 claims description 6
- JIAARYAFYJHUJI-UHFFFAOYSA-L zinc dichloride Chemical compound [Cl-].[Cl-].[Zn+2] JIAARYAFYJHUJI-UHFFFAOYSA-L 0.000 claims description 6
- 239000000460 chlorine Substances 0.000 claims description 5
- 239000007787 solid Substances 0.000 claims description 5
- ZAMOUSCENKQFHK-UHFFFAOYSA-N Chlorine atom Chemical compound [Cl] ZAMOUSCENKQFHK-UHFFFAOYSA-N 0.000 claims description 4
- 229910052801 chlorine Inorganic materials 0.000 claims description 4
- 229940037003 alum Drugs 0.000 claims description 3
- WPYMKLBDIGXBTP-UHFFFAOYSA-N benzoic acid Chemical compound OC(=O)C1=CC=CC=C1 WPYMKLBDIGXBTP-UHFFFAOYSA-N 0.000 claims description 3
- 238000005352 clarification Methods 0.000 claims description 3
- 229910000403 monosodium phosphate Inorganic materials 0.000 claims description 3
- 235000019799 monosodium phosphate Nutrition 0.000 claims description 3
- AJPJDKMHJJGVTQ-UHFFFAOYSA-M sodium dihydrogen phosphate Chemical compound [Na+].OP(O)([O-])=O AJPJDKMHJJGVTQ-UHFFFAOYSA-M 0.000 claims description 3
- 235000005074 zinc chloride Nutrition 0.000 claims description 3
- 239000011592 zinc chloride Substances 0.000 claims description 3
- WLJVXDMOQOGPHL-PPJXEINESA-N 2-phenylacetic acid Chemical compound O[14C](=O)CC1=CC=CC=C1 WLJVXDMOQOGPHL-PPJXEINESA-N 0.000 claims description 2
- 239000005711 Benzoic acid Substances 0.000 claims description 2
- 235000010233 benzoic acid Nutrition 0.000 claims description 2
- 229960004365 benzoic acid Drugs 0.000 claims description 2
- 239000002244 precipitate Substances 0.000 claims description 2
- 239000013049 sediment Substances 0.000 abstract description 4
- 238000004519 manufacturing process Methods 0.000 abstract description 2
- 239000012847 fine chemical Substances 0.000 abstract 1
- 238000000034 method Methods 0.000 description 7
- 239000013078 crystal Substances 0.000 description 6
- 238000004659 sterilization and disinfection Methods 0.000 description 6
- HEDRZPFGACZZDS-UHFFFAOYSA-N Chloroform Chemical compound ClC(Cl)Cl HEDRZPFGACZZDS-UHFFFAOYSA-N 0.000 description 4
- RTZKZFJDLAIYFH-UHFFFAOYSA-N Diethyl ether Chemical compound CCOCC RTZKZFJDLAIYFH-UHFFFAOYSA-N 0.000 description 4
- 230000000694 effects Effects 0.000 description 4
- 239000000463 material Substances 0.000 description 4
- 238000007614 solvation Methods 0.000 description 4
- CSCPPACGZOOCGX-UHFFFAOYSA-N Acetone Chemical compound CC(C)=O CSCPPACGZOOCGX-UHFFFAOYSA-N 0.000 description 2
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 2
- PEDCQBHIVMGVHV-UHFFFAOYSA-N Glycerine Chemical compound OCC(O)CO PEDCQBHIVMGVHV-UHFFFAOYSA-N 0.000 description 2
- 238000010521 absorption reaction Methods 0.000 description 2
- 230000000844 anti-bacterial effect Effects 0.000 description 2
- 230000008901 benefit Effects 0.000 description 2
- WXBLLCUINBKULX-UHFFFAOYSA-N benzoic acid Chemical compound OC(=O)C1=CC=CC=C1.OC(=O)C1=CC=CC=C1 WXBLLCUINBKULX-UHFFFAOYSA-N 0.000 description 2
- 238000004061 bleaching Methods 0.000 description 2
- 239000003153 chemical reaction reagent Substances 0.000 description 2
- 239000003814 drug Substances 0.000 description 2
- WQYVRQLZKVEZGA-UHFFFAOYSA-N hypochlorite Chemical compound Cl[O-] WQYVRQLZKVEZGA-UHFFFAOYSA-N 0.000 description 2
- 230000003647 oxidation Effects 0.000 description 2
- 238000007254 oxidation reaction Methods 0.000 description 2
- WLJVXDMOQOGPHL-UHFFFAOYSA-N phenylacetic acid Chemical compound OC(=O)CC1=CC=CC=C1 WLJVXDMOQOGPHL-UHFFFAOYSA-N 0.000 description 2
- IOLCXVTUBQKXJR-UHFFFAOYSA-M potassium bromide Chemical compound [K+].[Br-] IOLCXVTUBQKXJR-UHFFFAOYSA-M 0.000 description 2
- 239000003755 preservative agent Substances 0.000 description 2
- 230000002335 preservative effect Effects 0.000 description 2
- 230000005180 public health Effects 0.000 description 2
- 239000002994 raw material Substances 0.000 description 2
- 239000002904 solvent Substances 0.000 description 2
- 230000001954 sterilising effect Effects 0.000 description 2
- RTKIYNMVFMVABJ-UHFFFAOYSA-L thimerosal Chemical compound [Na+].CC[Hg]SC1=CC=CC=C1C([O-])=O RTKIYNMVFMVABJ-UHFFFAOYSA-L 0.000 description 2
- 229940033663 thimerosal Drugs 0.000 description 2
- CPELXLSAUQHCOX-UHFFFAOYSA-M Bromide Chemical compound [Br-] CPELXLSAUQHCOX-UHFFFAOYSA-M 0.000 description 1
- DPDMMXDBJGCCQC-UHFFFAOYSA-N [Na].[Cl] Chemical compound [Na].[Cl] DPDMMXDBJGCCQC-UHFFFAOYSA-N 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- 239000004480 active ingredient Substances 0.000 description 1
- 239000003513 alkali Substances 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 239000007844 bleaching agent Substances 0.000 description 1
- 238000002425 crystallisation Methods 0.000 description 1
- 230000008025 crystallization Effects 0.000 description 1
- 239000012024 dehydrating agents Substances 0.000 description 1
- 230000018044 dehydration Effects 0.000 description 1
- 238000006297 dehydration reaction Methods 0.000 description 1
- 239000000645 desinfectant Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000002845 discoloration Methods 0.000 description 1
- 238000004821 distillation Methods 0.000 description 1
- 238000009472 formulation Methods 0.000 description 1
- 235000011187 glycerol Nutrition 0.000 description 1
- 230000009878 intermolecular interaction Effects 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 230000005923 long-lasting effect Effects 0.000 description 1
- 231100000252 nontoxic Toxicity 0.000 description 1
- 230000003000 nontoxic effect Effects 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 229960003424 phenylacetic acid Drugs 0.000 description 1
- 239000003279 phenylacetic acid Substances 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 229920003023 plastic Polymers 0.000 description 1
- 238000007747 plating Methods 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 238000001556 precipitation Methods 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- -1 pure Substances 0.000 description 1
- 239000012047 saturated solution Substances 0.000 description 1
- 235000013599 spices Nutrition 0.000 description 1
- 239000004575 stone Substances 0.000 description 1
- 239000004094 surface-active agent Substances 0.000 description 1
- 238000003786 synthesis reaction Methods 0.000 description 1
Landscapes
- Agricultural Chemicals And Associated Chemicals (AREA)
Abstract
The invention relates to a long-acting sodium hypochlorite aqueous solution which belongs to fine chemical industries. In the invention, a certain quantity of stabilizing agents are added into the sodium hypochlorite aqueous solution according to a certain proportion to obtain the long-acting sodium hypochlorite aqueous solution; the mass ratio of sodium hypochlorite to the stabilizing agents in the solution is equal to 100:(0.1-10); and the quality guarantee period of the solution can reach more than one year by detecting. A method for producing the long-acting sodium hypochlorite aqueous solution comprises the following steps of: preparing the sodium hypochlorite aqueous solution in certain needed concentration; and then adding the stabilizing agents according to a certain proportion, stirring and removing a small quantity of sediments to obtain a finished product.
Description
[technical field]
The present invention relates to the key property and the preparation method of long-acting aqueous sodium hypochlorite solution, belong to fine chemistry industry.
[background technology]
Clorox has sterilization and discoloration, can make bleaching agent, also can be mixed with surfactant etc., make " 84 " thimerosal, use very extensively, but its maximum shortcoming is unstable, restricted its range of application greatly, shelf-life has only three months as " 84 " thimerosal, if can improve its stability, is prolonged its shelf-life.In recent years both at home and abroad in order to the method for the stability that improves clorox how with absorption method, cage type molecule envelope method, add highly basic or potassium bromide or the like, shortcomings such as effect is little, cost height are all arranged, the present invention strengthens solvation effect from a brand-new thinking, solves this problem.I have invented a kind of stabilizing agent, after in adding aqueous sodium hypochlorite solution, its stability is greatly improved, after testing, under 25 ℃, the aqueous sodium hypochlorite solution constant temperature that adds stabilizing agent placed 1 year after, the rate of descent of its available chlorine content has only 13.45%, go up 15% of regulation less than " disinfection technology standard ", the shelf-life can reach more than 1 year.The present invention specializes in the stability of aqueous sodium hypochlorite solution, prolongs its shelf-life, and do not relate to and further it made and be similar to " 84 " and or the like and so on disinfectant.
[summary of the invention]
The invention provides product of long-acting aqueous sodium hypochlorite solution formulation and preparation method thereof.
One, the material of preparation process and step
1, long-acting aqueous sodium hypochlorite solution comprise clorox, as the water of solvent, and the stabilizing agent (hereinafter to be referred as " stabilizing agent ") of my development is characterized in that adding stabilizing agent, their mass ratio is a clorox: stabilizing agent=100: 0.1～10.
2, long-acting aqueous sodium hypochlorite solution is a homogeneous, not stratifiedly do not precipitate, the aqueous solution of clear, colourless substantially, pH value is 10～11, can directly apply to sterilization, bleaching, also can be used as raw material and further make 84 etc., after 25 ℃ of lower seals, lucifuges were deposited 1 year, the rate of descent of the content of its available chlorine was: 13.45% after testing, the method of defined is carried out [1] in " disinfection technology standard " that the mensuration of available chlorine is issued by the Ministry of Public Health (version in 2002), and its shelf-life can reach more than 1 year.
3, the combination material of long-acting aqueous sodium hypochlorite solution comprises clorox, stabilizing agent and as the water of solvent.
(1) clorox, molecular formula: NaClO, molecular weight: 74.5 proterties: colorless solid, contain two molecular crystalline water usually, penetrating odor is arranged, m.p:18 ℃, soluble in water, easily resolve into HCl and free oxygen, strong oxidation, bleaching, bactericidal action are arranged.Commercially available product mostly is 5%～10% the aqueous solution, more than domestic all on sale, the aqueous solution of its any concentration comprises that its solid all can be used to prepare this long-acting aqueous sodium hypochlorite solution.
(2) stabilizing agent, stabilizing agent is a kind of in benzoic acid, phenylacetic acid, alum, terephthalic acid (TPA), phthalic acid, sodium dihydrogen phosphate, the zinc chloride, two or more mixture, this mixture is a white solid, water soluble, the pH value of its saturated solution is 6, and all the components material is domestic in the mixture all a sale.
1. benzoic acid (benzoic acid).Molecular formula C
7H
6O
2Molecular weight: 122.12 [2]
Proterties: white crystal, be dissolved in alcohol, ether, acetone, m.p122.4 ℃, b.p249.2 ℃
Purposes: preservative
2. phenylacetic acid.Molecular formula C
8H
8O
2Molecular weight: 136.14 [3]
Proterties: the sheet white crystal, soluble in water, pure, ether are slightly soluble in cold water, and m.p76.5 ℃, b.p265.5 ℃
3. alum, molecular formula AlNH
4(SO
4)
212H
2O molecular weight: 453.33[4]
Proterties: clear crystal, in the time of 120 ℃, lose 10 water of crystallization, become anhydrous product in the time of 250 ℃, decompose more than 280 ℃.Water-soluble and glycerine.
Purposes: water softener, mordant and medicine
4. terephthalic acid (TPA).Molecular formula C
8H
6O
4Molecular weight: 166.13 [5]
Proterties: white crystal, be dissolved in alkali and alcohol, water insoluble and chloroform, in the time of 300 ℃ the distillation and do not melt.
Purposes: organic synthesis, reagent, plastics.
5. phthalic acid.Molecular formula C
8H
6O
4Molecular weight: 166.13 [6]
Proterties: clear crystal, m.p191 ℃, in the time of about 230 ℃, decompose, water-soluble, pure, be insoluble to chloroform
Purposes: synthetic dyestuffs, spices.
6. sodium dihydrogen phosphate.Molecular formula N
aH
2PO
4Molecular weight: 138.01 [7]
Proterties: white crystal, little deliquescence, dehydration in the time of 100 ℃ is decomposed in the time of 200 ℃, and is soluble in water, be acid
Purposes: plating, buffer, water softener.
7. zinc chloride.Molecular formula Z
nCl
2Molecular weight: 136.29 [8]
Proterties: white powder, soluble in water, m.p290 ℃, b.p732 ℃
Purposes: catalyzer, dehydrating agent, disinfection preservative.
4, preparation process
(1) produces the liquor natrii hypochloritis of a certain desired concn;
(2) quality of contained solute clorox in the solution that makes according to above-mentioned (1), (that is: clorox: stabilizing agent=100: 0.1～10) add stabilizing agent, stirred 10～20 minutes in proportion with 60 rev/mins speed;
(3) leave standstill clarification 30 minutes, get clear solutions then, and remove a spot of sediment of bottom, get product.
Two, advantage of the present invention:
1, the present invention adopts common absorption method, cage type molecule envelope method, add bromide, add strong basicity even main active ingredient is transformed into other materials or the like method and strengthen stability, the present invention is from a brand-new thinking---solvation effect---is solved this problem, utilize hypochlorite strong electronegativity and in the stabilizing agent some composition the electron cloud of easy delocalization can be provided in solution, thereby strengthen its solvation effect, reach and significantly strengthen its stable purpose, but solvation effect belongs to intermolecular interaction after all, so do not influence the oxidation of clorox again, bactericidal action is to have accomplished easily to kill two birds with one stone.
2, advantages of nontoxic raw materials is easy to get, and is inexpensive, and production process is simple, and cost is low.
3, applied range.
[description of drawings]
Fig. 1 is a device schematic diagram of producing long-acting aqueous sodium hypochlorite solution, wherein: 1, jar; 2, charge door; 3, agitator; 4, water pipe; 5, product outlet; 6, precipitation and surplus liquid outlet.
[application example]
1, gets clorox solid 221 grams that contain 2 molecular crystalline water, add the solution 1000ml that water is mixed with 2M, add stabilizing agent 2.21 grams then therein, stir 15min, leave standstill clarification 30min, remove the minute quantity sediment, getting clarified solution, promptly to get concentration be 7.72% long-lasting chlorine sodium water solution, 1151 grams.
2, getting concentration is that 10% aqueous sodium hypochlorite solution 5000ml puts into jar, as figure, add 5000ml water standby (I), get stabilizing agent 100 grams, join in above-mentioned standby (I), mixed and stir 10min, leave standstill 30min then, removing the minute quantity sediment, to get concentration be 5% long-acting aqueous sodium hypochlorite solution 10000ml.
List of references
[1] " disinfection technology standard " (version in 2002), the Ministry of Public Health compiles, P.110
[2]～[8] " the reagent handbook, Shanghai pharmaceuticals writes, 1963, Science and Technology of Shanghai publishing house P.104, P.536, P.28 P.556, P.555, P.651, P.762.
Claims (2)
1. long-acting aqueous sodium hypochlorite solution is characterized in that:
1, this aqueous sodium hypochlorite solution be homogeneous, not stratifiedly do not precipitate, the aqueous solution of clear, after 25 ℃ of lower seals were preserved 1 year, the rate of descent of the content of its available chlorine was 13.45%, the shelf-life can reach more than 1 year;
2, said long-acting aqueous sodium hypochlorite solution is characterized in that having added stabilizing agent;
3, stabilizing agent is a kind of in benzoic acid, phenylacetic acid, alum, terephthalic acid (TPA), phthalic acid, sodium dihydrogen phosphate, the zinc chloride, and two or more mixture, stabilizing agent are white solid, water soluble;
4, in the said long-acting aqueous sodium hypochlorite solution, the mass ratio of clorox and stabilizing agent is: clorox: stabilizing agent=100: 0.1～10.
2. according to the preparation method of long-acting aqueous sodium hypochlorite solution as claimed in claim 1, it is characterized in that:
1, produces the aqueous sodium hypochlorite solution of a certain desired concn;
2, according to the quality of contained solute clorox in above-mentioned 1 solution that makes, in clorox: the ratio of stabilizing agent=100: 0.1～10 adds stabilizing agent, stirs 10～20min with 60 rev/mins speed;
3, leave standstill clarification 30min, get clarified solution then and get product.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201010192336 CN101933510B (en) | 2010-06-07 | 2010-06-07 | Long-acting sodium hypochlorite aqueous solution |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201010192336 CN101933510B (en) | 2010-06-07 | 2010-06-07 | Long-acting sodium hypochlorite aqueous solution |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101933510A true CN101933510A (en) | 2011-01-05 |
| CN101933510B CN101933510B (en) | 2013-04-24 |
Family
ID=43387264
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201010192336 Expired - Fee Related CN101933510B (en) | 2010-06-07 | 2010-06-07 | Long-acting sodium hypochlorite aqueous solution |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN101933510B (en) |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US9801384B2 (en) | 1992-06-01 | 2017-10-31 | A.Y. Laboratories Ltd. | Method for controlling the production of a biocide |
| CN109907069A (en) * | 2019-03-25 | 2019-06-21 | 天津市郁峰化工有限公司 | A kind of hypochlorous acid thimerosal and preparation method thereof |
| CN110679607A (en) * | 2018-07-06 | 2020-01-14 | 广州泰道安医疗科技有限公司 | Stable novel sterilization and disinfection solution and preparation method thereof |
| CN110692648A (en) * | 2019-09-09 | 2020-01-17 | 龙泽云 | A kind of manufacture method of high-concentration and high-stability monobasic chlorine dioxide aqueous solution |
| CN111937900A (en) * | 2020-08-20 | 2020-11-17 | 开平市美康泉生物科技有限公司 | High-stability molecular hypochlorous acid disinfectant and preparation method thereof |
| CN112499800A (en) * | 2020-08-10 | 2021-03-16 | 中山市原域企业投资有限公司 | Method and equipment for preparing hypochlorous acid by combining two-liquid synthesis and ion exchange method |
| CN115198287A (en) * | 2021-04-11 | 2022-10-18 | 惠州科创美环保技术有限公司 | Method for continuously generating high-concentration sodium hypochlorite |
| CN115669655A (en) * | 2021-07-29 | 2023-02-03 | 重庆市普康消毒用品有限公司 | Stabilizer for chlorine-containing disinfectant, stable 84 disinfectant and preparation method thereof |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1104429A (en) * | 1993-12-29 | 1995-07-05 | 章亮庄 | Disinfecting liquid |
| CN1947517A (en) * | 2006-09-14 | 2007-04-18 | 刘家强 | Method for stabilizing disinfectant liquid contg. sodium hypochlorite |
-
2010
- 2010-06-07 CN CN 201010192336 patent/CN101933510B/en not_active Expired - Fee Related
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1104429A (en) * | 1993-12-29 | 1995-07-05 | 章亮庄 | Disinfecting liquid |
| CN1947517A (en) * | 2006-09-14 | 2007-04-18 | 刘家强 | Method for stabilizing disinfectant liquid contg. sodium hypochlorite |
Non-Patent Citations (1)
| Title |
|---|
| 杨志祥等: "次氯酸钠水溶液体系稳定性研究", 《浙江科技学院学报》 * |
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US9801384B2 (en) | 1992-06-01 | 2017-10-31 | A.Y. Laboratories Ltd. | Method for controlling the production of a biocide |
| CN104981436B (en) * | 2013-02-07 | 2018-04-10 | Ay实验室有限公司 | Control methods for biocide production |
| US10575527B2 (en) | 2013-02-07 | 2020-03-03 | A.Y. Laboratories Ltd. | Method for controlling the production of a biocide |
| US11116222B2 (en) | 2013-02-07 | 2021-09-14 | A.Y. Laboratories Ltd. | Method for controlling the production of a biocide |
| CN110679607A (en) * | 2018-07-06 | 2020-01-14 | 广州泰道安医疗科技有限公司 | Stable novel sterilization and disinfection solution and preparation method thereof |
| CN109907069A (en) * | 2019-03-25 | 2019-06-21 | 天津市郁峰化工有限公司 | A kind of hypochlorous acid thimerosal and preparation method thereof |
| CN110692648A (en) * | 2019-09-09 | 2020-01-17 | 龙泽云 | A kind of manufacture method of high-concentration and high-stability monobasic chlorine dioxide aqueous solution |
| CN112499800A (en) * | 2020-08-10 | 2021-03-16 | 中山市原域企业投资有限公司 | Method and equipment for preparing hypochlorous acid by combining two-liquid synthesis and ion exchange method |
| CN111937900A (en) * | 2020-08-20 | 2020-11-17 | 开平市美康泉生物科技有限公司 | High-stability molecular hypochlorous acid disinfectant and preparation method thereof |
| CN115198287A (en) * | 2021-04-11 | 2022-10-18 | 惠州科创美环保技术有限公司 | Method for continuously generating high-concentration sodium hypochlorite |
| CN115669655A (en) * | 2021-07-29 | 2023-02-03 | 重庆市普康消毒用品有限公司 | Stabilizer for chlorine-containing disinfectant, stable 84 disinfectant and preparation method thereof |
Also Published As
| Publication number | Publication date |
|---|---|
| CN101933510B (en) | 2013-04-24 |
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