CN118203020A - Solid sodium hypochlorite disinfection powder and preparation method thereof - Google Patents
Solid sodium hypochlorite disinfection powder and preparation method thereof Download PDFInfo
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- CN118203020A CN118203020A CN202410305007.8A CN202410305007A CN118203020A CN 118203020 A CN118203020 A CN 118203020A CN 202410305007 A CN202410305007 A CN 202410305007A CN 118203020 A CN118203020 A CN 118203020A
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- sodium
- sodium hypochlorite
- acid
- solid sodium
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- 239000000843 powder Substances 0.000 title claims abstract description 21
- SUKJFIGYRHOWBL-UHFFFAOYSA-N sodium hypochlorite Chemical compound [Na+].Cl[O-] SUKJFIGYRHOWBL-UHFFFAOYSA-N 0.000 title claims abstract description 20
- 239000005708 Sodium hypochlorite Substances 0.000 title claims abstract description 19
- 238000004659 sterilization and disinfection Methods 0.000 title claims abstract description 19
- 239000007787 solid Substances 0.000 title claims abstract description 16
- 238000002360 preparation method Methods 0.000 title abstract description 8
- 239000000645 desinfectant Substances 0.000 claims abstract description 10
- KRKNYBCHXYNGOX-UHFFFAOYSA-N citric acid Chemical compound OC(=O)CC(O)(C(O)=O)CC(O)=O KRKNYBCHXYNGOX-UHFFFAOYSA-N 0.000 claims description 24
- 239000000126 substance Substances 0.000 claims description 17
- CDBYLPFSWZWCQE-UHFFFAOYSA-L Sodium Carbonate Chemical compound [Na+].[Na+].[O-]C([O-])=O CDBYLPFSWZWCQE-UHFFFAOYSA-L 0.000 claims description 16
- SNRUBQQJIBEYMU-UHFFFAOYSA-N dodecane Chemical compound CCCCCCCCCCCC SNRUBQQJIBEYMU-UHFFFAOYSA-N 0.000 claims description 16
- 239000011259 mixed solution Substances 0.000 claims description 10
- KCXVZYZYPLLWCC-UHFFFAOYSA-N EDTA Chemical compound OC(=O)CN(CC(O)=O)CCN(CC(O)=O)CC(O)=O KCXVZYZYPLLWCC-UHFFFAOYSA-N 0.000 claims description 8
- PMZURENOXWZQFD-UHFFFAOYSA-L Sodium Sulfate Chemical compound [Na+].[Na+].[O-]S([O-])(=O)=O PMZURENOXWZQFD-UHFFFAOYSA-L 0.000 claims description 8
- KGBXLFKZBHKPEV-UHFFFAOYSA-N boric acid Chemical compound OB(O)O KGBXLFKZBHKPEV-UHFFFAOYSA-N 0.000 claims description 8
- 239000004327 boric acid Substances 0.000 claims description 8
- 229940090960 diethylenetriamine pentamethylene phosphonic acid Drugs 0.000 claims description 8
- DUYCTCQXNHFCSJ-UHFFFAOYSA-N dtpmp Chemical compound OP(=O)(O)CN(CP(O)(O)=O)CCN(CP(O)(=O)O)CCN(CP(O)(O)=O)CP(O)(O)=O DUYCTCQXNHFCSJ-UHFFFAOYSA-N 0.000 claims description 8
- HWGNBUXHKFFFIH-UHFFFAOYSA-I pentasodium;[oxido(phosphonatooxy)phosphoryl] phosphate Chemical compound [Na+].[Na+].[Na+].[Na+].[Na+].[O-]P([O-])(=O)OP([O-])(=O)OP([O-])([O-])=O HWGNBUXHKFFFIH-UHFFFAOYSA-I 0.000 claims description 8
- 229910052708 sodium Inorganic materials 0.000 claims description 8
- 239000011734 sodium Substances 0.000 claims description 8
- 229910000029 sodium carbonate Inorganic materials 0.000 claims description 8
- FQENQNTWSFEDLI-UHFFFAOYSA-J sodium diphosphate Chemical compound [Na+].[Na+].[Na+].[Na+].[O-]P([O-])(=O)OP([O-])([O-])=O FQENQNTWSFEDLI-UHFFFAOYSA-J 0.000 claims description 8
- 229940048086 sodium pyrophosphate Drugs 0.000 claims description 8
- 229910052938 sodium sulfate Inorganic materials 0.000 claims description 8
- 235000011152 sodium sulphate Nutrition 0.000 claims description 8
- 235000019832 sodium triphosphate Nutrition 0.000 claims description 8
- 239000000243 solution Substances 0.000 claims description 8
- 235000019818 tetrasodium diphosphate Nutrition 0.000 claims description 8
- 239000001577 tetrasodium phosphonato phosphate Substances 0.000 claims description 8
- HWASUGAGLDBXHL-UHFFFAOYSA-K trisodium;1,3,5-triazanidacyclohexane-2,4,6-trione Chemical compound [Na+].[Na+].[Na+].[O-]C1=NC([O-])=NC([O-])=N1 HWASUGAGLDBXHL-UHFFFAOYSA-K 0.000 claims description 8
- DGAQECJNVWCQMB-PUAWFVPOSA-M Ilexoside XXIX Chemical compound C[C@@H]1CC[C@@]2(CC[C@@]3(C(=CC[C@H]4[C@]3(CC[C@@H]5[C@@]4(CC[C@@H](C5(C)C)OS(=O)(=O)[O-])C)C)[C@@H]2[C@]1(C)O)C)C(=O)O[C@H]6[C@@H]([C@H]([C@@H]([C@H](O6)CO)O)O)O.[Na+] DGAQECJNVWCQMB-PUAWFVPOSA-M 0.000 claims description 7
- UIIMBOGNXHQVGW-DEQYMQKBSA-M Sodium bicarbonate-14C Chemical compound [Na+].O[14C]([O-])=O UIIMBOGNXHQVGW-DEQYMQKBSA-M 0.000 claims description 7
- 230000006837 decompression Effects 0.000 claims description 7
- 238000001035 drying Methods 0.000 claims description 7
- BDHFUVZGWQCTTF-UHFFFAOYSA-M sulfonate Chemical compound [O-]S(=O)=O BDHFUVZGWQCTTF-UHFFFAOYSA-M 0.000 claims description 7
- 238000009210 therapy by ultrasound Methods 0.000 claims description 7
- 238000000034 method Methods 0.000 claims description 6
- 239000000463 material Substances 0.000 claims description 5
- 238000007873 sieving Methods 0.000 claims description 5
- 238000003756 stirring Methods 0.000 claims description 5
- UIIMBOGNXHQVGW-UHFFFAOYSA-M Sodium bicarbonate Chemical compound [Na+].OC([O-])=O UIIMBOGNXHQVGW-UHFFFAOYSA-M 0.000 claims 2
- 239000000203 mixture Substances 0.000 claims 1
- 235000017557 sodium bicarbonate Nutrition 0.000 claims 1
- 229910000030 sodium bicarbonate Inorganic materials 0.000 claims 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract description 17
- ZAMOUSCENKQFHK-UHFFFAOYSA-N Chlorine atom Chemical compound [Cl] ZAMOUSCENKQFHK-UHFFFAOYSA-N 0.000 abstract description 14
- 239000000460 chlorine Substances 0.000 abstract description 14
- 229910052801 chlorine Inorganic materials 0.000 abstract description 14
- 239000007844 bleaching agent Substances 0.000 abstract description 13
- 230000001954 sterilising effect Effects 0.000 abstract description 10
- 239000004744 fabric Substances 0.000 abstract description 7
- 238000004061 bleaching Methods 0.000 abstract description 4
- 230000000694 effects Effects 0.000 abstract description 4
- KZBUYRJDOAKODT-UHFFFAOYSA-N Chlorine Chemical compound ClCl KZBUYRJDOAKODT-UHFFFAOYSA-N 0.000 abstract description 3
- 230000000844 anti-bacterial effect Effects 0.000 abstract description 3
- 239000003899 bactericide agent Substances 0.000 abstract description 3
- 230000009182 swimming Effects 0.000 abstract description 3
- 241000193830 Bacillus <bacterium> Species 0.000 abstract description 2
- 241000894006 Bacteria Species 0.000 abstract description 2
- ZKQDCIXGCQPQNV-UHFFFAOYSA-N Calcium hypochlorite Chemical compound [Ca+2].Cl[O-].Cl[O-] ZKQDCIXGCQPQNV-UHFFFAOYSA-N 0.000 abstract description 2
- 241000196324 Embryophyta Species 0.000 abstract description 2
- 240000009088 Fragaria x ananassa Species 0.000 abstract description 2
- 241000233866 Fungi Species 0.000 abstract description 2
- 244000141359 Malus pumila Species 0.000 abstract description 2
- 240000007594 Oryza sativa Species 0.000 abstract description 2
- 235000007164 Oryza sativa Nutrition 0.000 abstract description 2
- 241000700605 Viruses Species 0.000 abstract description 2
- 241000219094 Vitaceae Species 0.000 abstract description 2
- 235000021016 apples Nutrition 0.000 abstract description 2
- 230000001580 bacterial effect Effects 0.000 abstract description 2
- 210000004666 bacterial spore Anatomy 0.000 abstract description 2
- 239000012320 chlorinating reagent Substances 0.000 abstract description 2
- 230000001804 emulsifying effect Effects 0.000 abstract description 2
- 235000021021 grapes Nutrition 0.000 abstract description 2
- QWPPOHNGKGFGJK-UHFFFAOYSA-N hypochlorous acid Chemical compound ClO QWPPOHNGKGFGJK-UHFFFAOYSA-N 0.000 abstract description 2
- 239000008235 industrial water Substances 0.000 abstract description 2
- 230000003641 microbiacidal effect Effects 0.000 abstract description 2
- 238000000465 moulding Methods 0.000 abstract description 2
- 231100000956 nontoxicity Toxicity 0.000 abstract description 2
- 230000000149 penetrating effect Effects 0.000 abstract description 2
- 235000009566 rice Nutrition 0.000 abstract description 2
- 239000002689 soil Substances 0.000 abstract description 2
- 235000021012 strawberries Nutrition 0.000 abstract description 2
- 239000007788 liquid Substances 0.000 description 7
- 238000009898 sodium hypochlorite bleaching Methods 0.000 description 5
- 239000003085 diluting agent Substances 0.000 description 3
- 239000012530 fluid Substances 0.000 description 3
- 238000002791 soaking Methods 0.000 description 2
- 208000035473 Communicable disease Diseases 0.000 description 1
- 229910019093 NaOCl Inorganic materials 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000003292 diminished effect Effects 0.000 description 1
- 238000011010 flushing procedure Methods 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000007800 oxidant agent Substances 0.000 description 1
- 230000001590 oxidative effect Effects 0.000 description 1
- 238000005507 spraying Methods 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Landscapes
- Agricultural Chemicals And Associated Chemicals (AREA)
Abstract
The invention relates to a solid sodium hypochlorite disinfection powder and a preparation method thereof. The present invention can be dissolved in water to produce hypochlorous acid with microbiocidal activity, which kills bacteria including bacterial propagules, viruses, fungi, tubercles bacillus and most resistant bacterial spores. Compared with traditional chlorinating agents such as liquid chlorine, bleaching powder essence and the like, the product has the characteristics of stable available chlorine content, stable storage and transportation, convenient molding and use, high sterilization and bleaching power, long effective chlorine release time in water, safety, no toxicity and the like, has good bleaching effect on fabrics, stable performance, small corrosivity, strong emulsifying and penetrating capacities, easy influence range of organisms, pH and the like, stable sterilization performance, can be used as a bactericide for industrial water, swimming pool water, hospitals, tableware and the like, can also be used as a plant soil disinfectant for rice, grapes, apples, strawberries and the like, and has very wide development and utilization prospects.
Description
Technical Field
The invention relates to the technical field of chemical disinfection products, in particular to solid sodium hypochlorite disinfection powder and a preparation method thereof.
Background
Liquid sodium hypochlorite belongs to a fast-acting oxidant, and is a broad-spectrum chemical bactericide which can be widely applied. It is commonly sold as a bleach in sodium hypochlorite (NaOCl) solution and can be diluted with water to various available chlorine concentrations for use.
Chlorine is strongly basic when used as a bleaching agent and organic substances significantly reduce its activity. If high concentrations or use concentrations of liquid sodium hypochlorite bleach are stored in open containers, particularly under high temperature conditions, chlorine gas is released and its sterilizing ability is diminished. In practical use, the replacement frequency of the bleach working fluid is determined according to the initial concentration of the bleach working fluid, the type and size of the container, the frequency and characteristics of use and indoor conditions, so that the bleach working fluid is inconvenient to use. Generally, for those liquid sodium hypochlorite bleaching agent solutions which need to be soaked for treating materials containing high concentration of organic matters for many times a day, the liquid sodium hypochlorite bleaching agent solutions need to be replaced at least once a day, so that resource waste is caused, and for those liquid sodium hypochlorite bleaching agent solutions with low use frequency, the liquid sodium hypochlorite bleaching agent solutions can be maintained for a week, but the effective components in the liquid sodium hypochlorite bleaching agent solutions are easy to volatilize due to overlong time, so that the use effect is affected.
Disclosure of Invention
In view of the problems existing in the prior art, the invention discloses a solid sodium hypochlorite disinfectant powder, which comprises the following main components in parts by weight: 20-50 parts of trisodium cyanurate, 10-20 parts of sodium carbonate, 20-50 parts of sodium sulfate, 1-3 parts of sodium bicarbonate, 1-3 parts of sodium pyrophosphate, 1-3 parts of sodium triphosphate, 1-3 parts of dodecane basic sodium sulfonate, 1-3 parts of diethylenetriamine pentamethylene phosphonic acid, 1-3 parts of ethylenediamine tetraacetic acid, 1-3 parts of citric acid and 1-3 parts of boric acid.
The preparation method of the solid sodium hypochlorite disinfection powder comprises the following steps:
adding trisodium cyanurate and sodium sulfate into a sodium carbonate solution according to parts by weight, and performing ultrasonic treatment to obtain a mixed solution;
Adding sodium bicarbonate, sodium pyrophosphate, sodium triphosphate, dodecane basic sodium sulfonate, diethylenetriamine pentamethylene phosphonic acid, ethylenediamine tetraacetic acid, citric acid and boric acid into the mixed solution according to parts by weight, stirring and preserving heat until the materials are completely dissolved at 30-40 ℃ to obtain a dissolved substance;
step three, carrying out vacuum decompression treatment on the dissolved matters under the vacuum condition to obtain evaporated matters;
and fourthly, drying the evaporated matter, and then crushing and sieving to obtain the disinfection powder.
As a preferable scheme of the invention, the ultrasonic treatment conditions in the first step are as follows: the temperature is 30-40 ℃ and the ultrasonic frequency is 25KHZ.
As a preferable scheme of the invention, the temperature of the vacuum decompression treatment in the third step is controlled to be 30-40 ℃.
As a preferable mode of the present invention, the temperature of the drying treatment in the fourth step is 35 ℃.
As a preferable mode of the invention, in the fourth step, the crushed and screened 60-mesh sieve is used.
The invention has the beneficial effects that: the present invention can be dissolved in water to produce hypochlorous acid with microbiocidal activity, which kills bacteria including bacterial propagules, viruses, fungi, tubercles bacillus and most resistant bacterial spores. Compared with traditional chlorinating agents such as liquid chlorine, bleaching powder essence and the like, the product has the characteristics of stable available chlorine content, stable storage and transportation, convenient molding and use, high sterilization and bleaching power, long effective chlorine release time in water, safety, no toxicity and the like, has good bleaching effect on fabrics, stable performance, small corrosivity, strong emulsifying and penetrating capacities, easy influence range of organisms, pH and the like, stable sterilization performance, can be used as a bactericide for industrial water, swimming pool water, hospitals, tableware and the like, can also be used as a plant soil disinfectant for rice, grapes, apples, strawberries and the like, and has very wide development and utilization prospects.
Detailed Description
Example 1
The invention relates to a preparation method of solid sodium hypochlorite disinfection powder, which comprises the following steps:
adding water into 20 parts of trisodium cyanurate, 10 parts of sodium carbonate and 20 parts of sodium sulfate, mixing and dissolving, and then carrying out ultrasonic treatment at the temperature of 30 ℃ and the ultrasonic frequency of 25KHZ to obtain a mixed solution;
Adding 1 part of sodium bicarbonate, 1 part of sodium pyrophosphate, 1 part of sodium triphosphate, 1 part of dodecane basic sodium sulfonate, 1 part of diethylenetriamine pentamethylene phosphonic acid, 1 part of ethylenediamine tetraacetic acid, 1 part of citric acid and 1 part of boric acid into the mixed solution, stirring and preserving the temperature at 30 ℃ until the materials are completely dissolved, and obtaining a dissolved substance;
step three, controlling the temperature at 30 ℃ under vacuum condition, and carrying out vacuum decompression treatment on the dissolved substance until the dissolved substance is completely evaporated to dryness, so as to obtain an evaporated substance;
and fourthly, drying the evaporated matter at the temperature of 35 ℃, crushing and sieving with a 60-mesh sieve to obtain the disinfection powder.
Example 2
The invention relates to a preparation method of solid sodium hypochlorite disinfection powder, which comprises the following steps:
Adding 50 parts of trisodium cyanurate, 20 parts of sodium carbonate and 50 parts of sodium sulfate into water to be mixed and dissolved, and then performing ultrasonic treatment at the temperature of 40 ℃ and the ultrasonic frequency of 25KHZ to obtain a mixed solution;
adding 3 parts of sodium bicarbonate, 3 parts of sodium pyrophosphate, 3 parts of sodium triphosphate, 3 parts of dodecane basic sodium sulfonate, 3 parts of diethylenetriamine pentamethylene phosphonic acid, 3 parts of ethylenediamine tetraacetic acid, 3 parts of citric acid and 3 parts of boric acid into the mixed solution, stirring and preserving the temperature at 40 ℃ until the materials are completely dissolved, and obtaining a dissolved substance;
Step three, controlling the temperature at 40 ℃ under vacuum condition, and carrying out vacuum decompression treatment on the dissolved substance until the dissolved substance is completely evaporated to dryness, so as to obtain an evaporated substance;
and fourthly, drying the evaporated matter at the temperature of 35 ℃, crushing and sieving with a 60-mesh sieve to obtain the disinfection powder.
Example 3
The invention relates to a preparation method of solid sodium hypochlorite disinfection powder, which comprises the following steps:
adding 35 parts of trisodium cyanurate, 15 parts of sodium carbonate and 35 parts of sodium sulfate into water to be mixed and dissolved, and then performing ultrasonic treatment at 35 ℃ and ultrasonic frequency of 25KHZ to obtain a mixed solution;
Adding 1.5 parts of sodium bicarbonate, 2 parts of sodium pyrophosphate, 2 parts of sodium triphosphate, 1.5 parts of dodecane basic sodium sulfonate, 1.5 parts of diethylenetriamine pentamethylene phosphonic acid, 1.5 parts of ethylenediamine tetraacetic acid, 2.5 parts of citric acid and 2.5 parts of boric acid into the mixed solution, stirring and preserving the temperature at 35 ℃ until the components are completely dissolved, and obtaining a dissolved substance;
step three, controlling the temperature at 35 ℃ under vacuum condition, and carrying out vacuum decompression treatment on the dissolved substance until the dissolved substance is completely evaporated to dryness, so as to obtain an evaporated substance;
and fourthly, drying the evaporated matter at the temperature of 35 ℃, crushing and sieving with a 60-mesh sieve to obtain the disinfection powder.
The application method of the product comprises the following steps: sterilizing the surface of the object and the white fabric, namely adding water according to the ratio of 1:100 to dissolve the object and the white fabric, and wiping or soaking the object and the white fabric in a diluent with the effective chlorine (calculated by chlorine) content of 500mg/L for 20 minutes. And (5) rinsing the fabric with clear water after the fabric is disinfected.
Sterilizing nonmetallic tableware, namely adding water according to the ratio of 1:100 to dissolve to obtain the diluent with the content of available chlorine (calculated by chlorine) of 500mg/L, soaking for 40 minutes, and flushing with clear water.
Sterilizing epidemic areas and polluted areas of infectious diseases by adding water to dissolve 1:25 times to obtain diluent with the content of effective chlorine (calculated by chlorine) of 2000mgL, spraying to moisten, and sterilizing for more than 90 minutes.
Sterilizing swimming pool water with available chlorine content of 1.5mg/L and disinfectant water of 1:35000, and maintaining residual chlorine concentration of 0.5mg/L for 30 min.
The components not described in detail herein are prior art.
Although the specific embodiments of the present invention have been described in detail, the present invention is not limited to the above embodiments, and various changes and modifications without inventive labor may be made within the scope of the present invention without departing from the spirit of the present invention, which is within the scope of the present invention.
Claims (7)
1. The solid sodium hypochlorite disinfection powder is characterized by comprising the following main components in parts by weight: trisodium cyanurate 20-50 parts, sodium carbonate 10-20 parts, sodium sulfate 20-50 parts, sodium bicarbonate 1-3 parts
1-3 Parts of sodium pyrophosphate, 1-3 parts of sodium triphosphate, 1-3 parts of dodecane basic sodium sulfonate, 1-3 parts of diethylenetriamine pentamethylene phosphonic acid, 1-3 parts of ethylenediamine tetraacetic acid, 1-3 parts of citric acid and 1-3 parts of boric acid.
2. A solid sodium hypochlorite disinfectant powder according to claim 1, characterized in that: 35 parts of trisodium cyanurate, 15 parts of sodium carbonate, 35 parts of sodium sulfate, 1.5 parts of sodium bicarbonate, 2 parts of sodium pyrophosphate, 2 parts of sodium triphosphate, 1.5 parts of dodecane basic sodium sulfonate, 1.5 parts of diethylenetriamine pentamethylene phosphonic acid, 1.5 parts of ethylenediamine tetraacetic acid, 2.5 parts of citric acid and 2.5 parts of boric acid.
3. The method for preparing the solid sodium hypochlorite disinfectant powder as set forth in claim 1, comprising the steps of:
adding trisodium cyanurate and sodium sulfate into a sodium carbonate solution according to parts by weight, and performing ultrasonic treatment to obtain a mixed solution;
Adding sodium bicarbonate, sodium pyrophosphate, sodium triphosphate, dodecane basic sodium sulfonate, diethylenetriamine pentamethylene phosphonic acid, ethylenediamine tetraacetic acid, citric acid and boric acid into the mixed solution according to parts by weight, stirring and preserving heat until the materials are completely dissolved at 30-40 ℃ to obtain a dissolved substance;
step three, carrying out vacuum decompression treatment on the dissolved matters under the vacuum condition to obtain evaporated matters;
and fourthly, drying the evaporated matter, and then crushing and sieving to obtain the disinfection powder.
4. A method for preparing a solid sodium hypochlorite disinfectant powder according to claim 3, wherein: the ultrasonic treatment conditions in the first step are as follows: the temperature is 30-40 ℃ and the ultrasonic frequency is 25KHZ.
5. A method for preparing a solid sodium hypochlorite disinfectant powder according to claim 3, wherein: and in the third step, the temperature of the vacuum decompression treatment is controlled at 30-40 ℃.
6. A method for preparing a solid sodium hypochlorite disinfectant powder according to claim 3, wherein: the temperature of the drying treatment in the fourth step is 35 ℃.
7. A method for preparing a solid sodium hypochlorite disinfectant powder according to claim 3, wherein: in the fourth step, the mixture is crushed and screened by a 60-mesh sieve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202410305007.8A CN118203020A (en) | 2024-03-18 | 2024-03-18 | Solid sodium hypochlorite disinfection powder and preparation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202410305007.8A CN118203020A (en) | 2024-03-18 | 2024-03-18 | Solid sodium hypochlorite disinfection powder and preparation method thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN118203020A true CN118203020A (en) | 2024-06-18 |
Family
ID=91455715
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202410305007.8A Pending CN118203020A (en) | 2024-03-18 | 2024-03-18 | Solid sodium hypochlorite disinfection powder and preparation method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN118203020A (en) |
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2024
- 2024-03-18 CN CN202410305007.8A patent/CN118203020A/en active Pending
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