JPS63129016A - Aqueous solution of sodium hydrogen sulfite - Google Patents
Aqueous solution of sodium hydrogen sulfiteInfo
- Publication number
- JPS63129016A JPS63129016A JP27194286A JP27194286A JPS63129016A JP S63129016 A JPS63129016 A JP S63129016A JP 27194286 A JP27194286 A JP 27194286A JP 27194286 A JP27194286 A JP 27194286A JP S63129016 A JPS63129016 A JP S63129016A
- Authority
- JP
- Japan
- Prior art keywords
- aqueous solution
- sodium sulfite
- added
- sodium hydrogen
- hydrogen sulfite
- 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.)
- Pending
Links
- 239000007864 aqueous solution Substances 0.000 title claims description 8
- DWAQJAXMDSEUJJ-UHFFFAOYSA-M Sodium bisulfite Chemical compound [Na+].OS([O-])=O DWAQJAXMDSEUJJ-UHFFFAOYSA-M 0.000 title abstract 3
- 235000010267 sodium hydrogen sulphite Nutrition 0.000 title abstract 3
- 229940079827 sodium hydrogen sulfite Drugs 0.000 title 1
- XEEYBQQBJWHFJM-UHFFFAOYSA-N iron Substances [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims abstract description 14
- 229910052742 iron Inorganic materials 0.000 claims abstract description 10
- -1 iron ion Chemical class 0.000 claims abstract description 10
- JPVYNHNXODAKFH-UHFFFAOYSA-N Cu2+ Chemical compound [Cu+2] JPVYNHNXODAKFH-UHFFFAOYSA-N 0.000 claims abstract description 8
- 229910001431 copper ion Inorganic materials 0.000 claims abstract description 8
- GEHJYWRUCIMESM-UHFFFAOYSA-L sodium sulfite Chemical compound [Na+].[Na+].[O-]S([O-])=O GEHJYWRUCIMESM-UHFFFAOYSA-L 0.000 claims description 24
- 230000002378 acidificating effect Effects 0.000 claims description 13
- 235000010265 sodium sulphite Nutrition 0.000 claims description 12
- 239000003381 stabilizer Substances 0.000 abstract description 3
- BVKZGUZCCUSVTD-UHFFFAOYSA-L Carbonate Chemical compound [O-]C([O-])=O BVKZGUZCCUSVTD-UHFFFAOYSA-L 0.000 abstract 1
- 229910002651 NO3 Inorganic materials 0.000 abstract 1
- NHNBFGGVMKEFGY-UHFFFAOYSA-N Nitrate Chemical compound [O-][N+]([O-])=O NHNBFGGVMKEFGY-UHFFFAOYSA-N 0.000 abstract 1
- 229910019142 PO4 Inorganic materials 0.000 abstract 1
- QAOWNCQODCNURD-UHFFFAOYSA-L Sulfate Chemical compound [O-]S([O-])(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-L 0.000 abstract 1
- ZMZDMBWJUHKJPS-UHFFFAOYSA-M Thiocyanate anion Chemical compound [S-]C#N ZMZDMBWJUHKJPS-UHFFFAOYSA-M 0.000 abstract 1
- XLJMAIOERFSOGZ-UHFFFAOYSA-M cyanate Chemical compound [O-]C#N XLJMAIOERFSOGZ-UHFFFAOYSA-M 0.000 abstract 1
- ZMZDMBWJUHKJPS-UHFFFAOYSA-N hydrogen thiocyanate Natural products SC#N ZMZDMBWJUHKJPS-UHFFFAOYSA-N 0.000 abstract 1
- NBIIXXVUZAFLBC-UHFFFAOYSA-K phosphate Chemical compound [O-]P([O-])([O-])=O NBIIXXVUZAFLBC-UHFFFAOYSA-K 0.000 abstract 1
- 239000010452 phosphate Substances 0.000 abstract 1
- 230000001105 regulatory effect Effects 0.000 abstract 1
- CIWBSHSKHKDKBQ-JLAZNSOCSA-N Ascorbic acid Chemical compound OC[C@H](O)[C@H]1OC(=O)C(O)=C1O CIWBSHSKHKDKBQ-JLAZNSOCSA-N 0.000 description 4
- 230000000694 effects Effects 0.000 description 4
- 229910021645 metal ion Inorganic materials 0.000 description 4
- 239000000654 additive Substances 0.000 description 3
- CDBYLPFSWZWCQE-UHFFFAOYSA-L Sodium Carbonate Chemical compound [Na+].[Na+].[O-]C([O-])=O CDBYLPFSWZWCQE-UHFFFAOYSA-L 0.000 description 2
- 239000003963 antioxidant agent Substances 0.000 description 2
- 235000006708 antioxidants Nutrition 0.000 description 2
- 229960005070 ascorbic acid Drugs 0.000 description 2
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 2
- 239000003795 chemical substances by application Substances 0.000 description 2
- 239000010949 copper Substances 0.000 description 2
- 229910052760 oxygen Inorganic materials 0.000 description 2
- 239000001301 oxygen Substances 0.000 description 2
- 239000004033 plastic Substances 0.000 description 2
- 239000000243 solution Substances 0.000 description 2
- 238000004065 wastewater treatment Methods 0.000 description 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- FBPFZTCFMRRESA-FSIIMWSLSA-N D-Glucitol Natural products OC[C@H](O)[C@H](O)[C@@H](O)[C@H](O)CO FBPFZTCFMRRESA-FSIIMWSLSA-N 0.000 description 1
- FBPFZTCFMRRESA-JGWLITMVSA-N D-glucitol Chemical compound OC[C@H](O)[C@@H](O)[C@H](O)[C@H](O)CO FBPFZTCFMRRESA-JGWLITMVSA-N 0.000 description 1
- 239000002211 L-ascorbic acid Substances 0.000 description 1
- 235000000069 L-ascorbic acid Nutrition 0.000 description 1
- LSNNMFCWUKXFEE-UHFFFAOYSA-N Sulfurous acid Chemical compound OS(O)=O LSNNMFCWUKXFEE-UHFFFAOYSA-N 0.000 description 1
- 230000000996 additive effect Effects 0.000 description 1
- 230000003078 antioxidant effect Effects 0.000 description 1
- 235000010323 ascorbic acid Nutrition 0.000 description 1
- 239000011668 ascorbic acid Substances 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 230000000052 comparative effect Effects 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 239000003599 detergent Substances 0.000 description 1
- 238000011835 investigation Methods 0.000 description 1
- 150000002500 ions Chemical group 0.000 description 1
- 150000002576 ketones Chemical class 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 239000000600 sorbitol Substances 0.000 description 1
Landscapes
- Preventing Corrosion Or Incrustation Of Metals (AREA)
Abstract
Description
【発明の詳細な説明】
〈産業上の利用分野〉
〈従来の技術〉
酸性亜硫酸ソーダは産業用として、排水処理剤、洗剤、
写真定着補助剤等に桂々使用されているが、その水溶液
を長期に保存すると空気中の酸素を吸収し、ｐ ｌ−（
および酸性亜硫酸ソーダの純炭が低下し、寒冷所では固
化してしまう。[Detailed Description of the Invention] <Industrial Application Fields><PriorArt> Acidic sodium sulfite is used for industrial purposes as wastewater treatment agents, detergents,
It is often used as a photographic fixing aid, but if the aqueous solution is stored for a long period of time, it absorbs oxygen from the air and becomes pl-(
The pure carbon of acidic sodium sulfite decreases and solidifies in cold places.
ＮａＨ３Ｏ３＋ １／２０２ →ＮａＨ８Ｏ４（１）〈
発明が解決しようとする問題点〉
酸化防止剤として一般にケトン類、例えばアスコルビン
酸が使用されるが、これらは高価な上、大量に使用しな
いと効果がなく、また逆に大量に使用するために、これ
らの他に及ぼす影響−例えば排水処理剤として使用した
ときのＣＯＤ負荷アップ−が懸念される。NaH3O3+ 1/202 →NaH8O4(1)〈
Problems to be Solved by the Invention> Ketones, such as ascorbic acid, are generally used as antioxidants, but these are expensive and ineffective unless used in large quantities; There is a concern about the effects other than these, such as an increase in COD load when used as a wastewater treatment agent.
本発明者らは貯蔵中の酸性亜硫酸ソーダの安定化剤とし
て社々検討した結果、特定の金属イオンが少量の添加で
非常に効果があることがわかり本発明に到達した。As a result of various studies conducted by the present inventors as a stabilizing agent for acidic sodium sulfite during storage, it was discovered that the addition of a small amount of a specific metal ion is very effective, and the present invention has been achieved.
く間厘点を解決する手段〉
本発明は、鉄イオンおよび銅イオンの少なくとも１種が
添加されてなる酸性亜硫酸ソーダ水溶液に関する。鉄イ
オンはＦｅ” 、Ｆｅ””のいずれでもよく、また銅イ
オンはＣｕ”、Ｃｕ のいずれでもよい。中でも鉄イ
オンは酸化防止効果が優ソーダ水溶液中に添加される。Means for Solving the Problem of Darkness Point> The present invention relates to an acidic sodium sulfite aqueous solution to which at least one of iron ions and copper ions is added. The iron ion may be either Fe" or Fe"", and the copper ion may be Cu" or Cu. Among them, iron ions are added to the aqueous soda solution for their antioxidant effect.
本発明において、酸性亜硫酸ソーダ水溶液中に添加する
鉄イオンまたは銅イオンの工は、０，４〜５０ｐ’ｐｍ
、特に０．４〜ｌＯｐｐｍであると貯蔵安定性が良好と
なるので好ましい。In the present invention, the concentration of iron ions or copper ions added to the acidic sodium sulfite aqueous solution is 0.4 to 50 p'pm.
In particular, a concentration of 0.4 to 1 Oppm is preferable because storage stability is improved.
〈作 用〉
酸性亜硫酸ソーダ水溶液中に溶は込む空気中の酸素を金
属イオンがとり込み、この金属イオンが酸性亜硫酸ソー
ダを介して酸化、還元をくり返し、前記（１）の反応を
防止しているものと考えられる。<Function> The metal ions take in the oxygen in the air dissolved in the acidic sodium sulfite aqueous solution, and the metal ions repeat oxidation and reduction via the acidic sodium sulfite, preventing the reaction in (1) above. It is thought that there are.
く実 施 例〉
実施例１〜３、比軸例］〜４
１ｇポリ容器に入れた３６ＸＶｔ％の酸性亜硫酸ソーダ
３００ ｍｌに、表１に示す各添加剤を添加し、室温で
保存し、ｐ ）（の変化を追跡した。結果を表１に示す
。Examples Examples 1 to 3, ratio examples] to 4 Each additive shown in Table 1 was added to 300 ml of 36XVt% acidic sodium sulfite placed in a 1 g plastic container, stored at room temperature, and ) (The results are shown in Table 1.
表１に示す如く、一般に良く知られている酸化防止剤で
あるソルビトール、Ｌアスコルビン酸を添加した系に比
べて鉄イオンを添加した系の方が少量でも効果が°ある
ことが判明した。As shown in Table 1, it was found that the system to which iron ions were added was more effective even in small amounts, compared to the system to which sorbitol and L-ascorbic acid, which are generally well-known antioxidants, were added.
実施例４〜５、比軸例５〜７
１ｇポリ容器に入れた３６ｗｔ％の酸性亜硫酸ソーダ３
００ｍ１に、表２に示す添加剤を添加し、室温で保存し
、ｐＨの変化を追跡した。結果を表２に示した。Examples 4-5, Ratio Examples 5-7 36wt% acidic sodium sulfite 3 in 1g plastic container
Additives shown in Table 2 were added to 00ml, stored at room temperature, and changes in pH were monitored. The results are shown in Table 2.
表２に示したとおり、鉄イオンおよび銅イオンでは、貯
蔵安定性が良好であるのに対し、他の金属イオンでは貯
蔵安定性は劣ることが判明した。As shown in Table 2, it was found that iron ions and copper ions had good storage stability, whereas other metal ions had poor storage stability.
以下余白
実施例６〜８、比較例８
１ρポリ容器に入れた３６ｖｔ％の酸性亜硫酸ソーダ３
００ｍ１に、表３に示す添加剤を添加し、室温で保存し
、ｐ）Ｉの変化を追跡した。結果を表３に示す。The following margins Examples 6 to 8, Comparative Example 8 36vt% acidic soda sulfite 3 in a 1ρ poly container
Additives shown in Table 3 were added to 00ml, stored at room temperature, and changes in p)I were monitored. The results are shown in Table 3.
表３はＦｅ濃度を変えて調べた結果である。何も添加し
ない酸性亜硫酸ソーダ水溶液は初期濃度３６Ｗ［？ｇか
ら２ケ月ｒ＆に２５Ｗ【％まで低ｒし、それを−１０’
Ｃに冷却すると固化した。他方硫酸第−ａをＦｅ２＋と
して１１）０ｍ添加した系は、２ケ月後でも濃度が３４
１％を維持し、−１０°Ｃに冷却しても溶液状態を保持
していた。Table 3 shows the results of an investigation with varying Fe concentrations. An acidic sodium sulfite aqueous solution without any addition has an initial concentration of 36W [? 2 months from g to 25W [%] and lower it to -10'
It solidified when cooled to C. On the other hand, in the system in which 11) 0m of sulfate-a was added as Fe2+, the concentration remained at 34% even after 2 months.
The concentration was maintained at 1%, and the solution state was maintained even when cooled to -10°C.
以下余白
〈発明の効果〉
本発明は、従来貯蔵安定性の劣っていた酸性亜硫酸ソー
ダ水溶液に、鉄イオンおよび銅イオンの少なくとも１種
を添加することにより、貯蔵安定性が著しく向上すると
いう顕著な効果を呈する。Margins below <Effects of the Invention> The present invention has a remarkable effect in that the storage stability is significantly improved by adding at least one of iron ions and copper ions to an acidic sodium sulfite aqueous solution, which has conventionally had poor storage stability. exhibits an effect.
Claims (1)
なる酸性亜硫酸ソーダ水溶液。An acidic sodium sulfite aqueous solution containing at least one of iron ions and copper ions.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP27194286A JPS63129016A (en) | 1986-11-17 | 1986-11-17 | Aqueous solution of sodium hydrogen sulfite |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP27194286A JPS63129016A (en) | 1986-11-17 | 1986-11-17 | Aqueous solution of sodium hydrogen sulfite |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS63129016A true JPS63129016A (en) | 1988-06-01 |
Family
ID=17506983
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP27194286A Pending JPS63129016A (en) | 1986-11-17 | 1986-11-17 | Aqueous solution of sodium hydrogen sulfite |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS63129016A (en) |
-
1986
- 1986-11-17 JP JP27194286A patent/JPS63129016A/en active Pending
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