과황산염의 회수 및 정량 방법

Hereinafter of the invention specific embodiments according to quantitative method to explain [...] recovery method and recovered [...] lenses project less than 1000.

According to an exemplary embodiment of the invention, dye mix solution including sulfur-containing anion ion (Ag⁺ ) By reacting the sulfur-containing anion [...] recovery method including a stand-alone number [...] Persulfuric anion other number number hole is etched.

The specification (persulfate) with sulfuric acid or organic cation and/or anion comprises a persulfate terms in the anionic form with sulfuric acid in conjunction with sense including both inorganic form are used.

With sulfuric acid salt is present environment conventional salt sulfide, thio sulphate salts such sulfur-containing salt or the sulfite or sulfuric acid there is easy as regards a dissociated from sulfur-containing anion is oxidizing or reducing the reliability when using persulfate [...] effected on the quantifying is equal to.

Said recovery method embodiments of implementation in sulfide anion, thio sulfate anion, a sulfate anion anion and sulfurous acid or a salt selected from the group consisting anionic persulfate by recovering from the aforementioned door number 1 and mixed solution including a Persulfuric anion can be solve. Oxidizing reaction product which is obtained proportions such solution is sulfate; or sulfuric acid salts can be a chemical compound are used including sulfur reaction product or product, limited to are not correct.

Silver (Ag) and/or said mixed solution recovery method embodiments of implementation in adding salt substrate. Silver and/or salt thereof from said dissociated ion (Ag⁺ ) Is a Persulfuric but forming a precipitate with a polyanion, forming a precipitate from a Persulfuric anion [...] number other sulfur containing anion to be coated. The, mixed solution by reacting a silver ion, persulfate [...] number other sulfur containing anion formed precipitate from solution mixed persulfate ion and a stand-alone number can be recovered disclosed.

Specifically, sulfide anion such as in the case of a compound forming a precipitate the ions to be coated.

S^{2 -} + 2Ag⁺ Ag→₂ S_(S)

In the case of a compound such as thio sulfate anion ion and shall also forming a precipitate.

S₂ O₃^{2 -} + 2Ag⁺ Ag→₂ S₂ O₃

Ag₂ S₂ O₃ + H₂ O→Ag₂ S_(S) + H₂ SO₄

In the case of anionic sulfite ion and also forming a precipitate such as a compound to be coated.

SO₃^{2 -} + 2Ag⁺ Ag→₂ SO_{3 (S)}

In the case of sulfate anion ion and also forming a precipitate such as a compound to be coated.

SO₄^{2 -} + 2Ag⁺ Ag→₂ SO_{4 (S)}

Said silver ions or salts can be known if the technology field of the invention various ones can be used. In one example, the (Ag) and/or the residual (AgNO₃ ) Can be is used as the alkali.

Said silver and/or use of salts content is not specifically defined, other sulfur containing anion [...] persulfate remaining number can be adjusted to both a jacket pocket. Other sulfur containing anionic persulfate [...] number present mixed solution cannot confirm the content of silver and/or their salts precipitate when adding a tinfoil is not longer by adding other sulfur containing anion generated can be precipitating [...] persulfate number up until that point.

Said solvent mixed solution particularly but not limited to, for example, H₂ Implementation being O.

Said recovery method embodiments of implementation in silver and/or their salts mixed solution by adding said number [...] persulfate filtering or centrifuging the precipitate then precipitating other sulfur containing anion can be separating the filtrate or supernatant. Such filter or centrifugal through separation of persulfate [...] persulfate and volatile sulfur-containing anion is pure number number can be achieved.

Said recovery method according embodiments of one implementation uses said filtrate or supernatant and drying the solid persulfate can be recovered. Said solid state [...] has high purity can exhibit high reliability in various applications.

On the other hand, other according to an exemplary embodiment of the invention, including sulfur-containing anion ion mix solution by reacting other sulfur containing anion industry association step number number [...] Persulfuric anion; and other sulfur containing anion binding in paper number number [...] Persulfuric anion solution for reparing over 2 (Fe^{2 +} ) Is reacted with a binding in paper injected 2 (Fe^{2 +} ) Is a quantitative method of quantifying the content of anion content of Persulfuric through [...] including encoded ball number.

After retrieving the persulfate is mixed solution from said quantitative method including [...] persulfate, pure [...] quantifying the content using the dielectric layer by oxidizing high accuracy and can be.

Said holes are formed on the step number number other sulfur containing anion Persulfuric anion [...][...] recovery method can be performed is equal to industry, description details here omit other.

Other sulfur containing anion via a number [...] Persulfuric anion said number including a stand-alone solution obtained is pure persulfate oxidation such as 2 is a compound capable of binding in paper.

S₂ O₈^{2 -} + 2Fe^{2 +} →2SO₄^{2 -} + 2Fe^{3 +}

The, present in both said persulfate solution with sulfuric acid salt including reduced to 2 remains even after 2 binding in paper can be isophthtalic addition of binding in paper. The, reaction of 2 with sulfuric acid salt content of 2 binding in paper [...] content can be injected through quantifying binding in paper.

Reaction of 2 with sulfuric acid salt content of said injected 2 the present invention method for measuring binding in paper binding in paper it is provided to various known method can be used.

In one example, 2 for improving reaction injected by measuring optical density of binding in paper identifying content of 2 binding in paper can be consumed for the reaction with comprises a persulfate. And, identifying content of 2 binding in paper through [...] content can be consumed.

For simplifying these procedures, [...] content representing the correlation between optical density of injected reaction formula expressed in binding in paper 2 can be obtained.

Specifically, number [...] standard solution after concentration by high pressure liquid coolant, is reacted with a binding in paper the same content of 2 injected 2 optical density of binding in paper by using predetermined material. And, with axis X and Y with axis 2 optical density [...][...] concentration binding in paper by optical density of binding in paper according to residual concentration residual 2 phenoxyethanol. Then, based on calibration curves and equation 2042 obtain same. According to the in the embodiment 2, such as calibration curves and also 2 y=- 0. 2253X + 1. 4042 And formulae of the obtained antibodies are identified.

The, unknown in the mixed solution after retrieving the persulfate, persulfate solution including a predetermined 2 binding in paper (for obtaining calibration curves by adding binding in paper was content 2) reacting by adding, injected by measuring optical density of said equation of reaction-IR spectrophotometer 2 binding in paper [...] content (x value) can be evaporated on the y value obtained.

The method of the present invention measuring optical density using spectrophotometer said binding in paper 2 is provided to various method can be known according to the embodiment. Non-number but for example, the 1, 10 - phenanthroline 2 binding in paper (1, 10 a-phenanthroline) chelate compound can be formed and analyzed.

the [...] recovery and quantitative method, including various sulfur containing anion comprises a persulfate independent from the mixed solution can be recovered and, quantifying the purity comprises a persulfate solution can be ensure high accuracy and reliability.

In the embodiment of the invention hereinafter of the invention through specific action, effect more specifically describing less than 1000. But, this block number by way of example of the invention of the invention by any meaning with it held [...] rights and not the limited range.

In the embodiment 1: persulfate method comprising recovering sulfur-containing anion from solution

100 Ml distilled water thio sulphate, sulfites, sulfur-containing anion concentration of persulfate mixture was 10 mm so that the dissolving number adding high pressure liquid coolant. Then, the residual said mixture (AgNO₃ ) 40 Mm was added so that the concentration of the cation. Adding the residual mixture such as of Figure 1 a simple structure and process, after 15 seconds, the sulfurous acid or a salt cation thio sulfate anions such as of Figure 1 b is a dark color in response anions are identified. After reaction with sulfuric acid salt precipitate the dissolved anions such as sulfurous acid or a salt anion of Figure 1 c thio sulfate supernatant is obtained. Then, product number precipitate from solution including a stand-alone solution by filtration by sulfur containing anion persulfate his recovery.

In the embodiment 2: [...] quantitative method comprising sulfur-containing anion present in solution

[...] standard solution 0. 5 Mm, 1 mm, 1. 5 Mm, 2 mm, 2. 5 Mm, 3 mm, 3. 5 Mm, 4 mm, 4. Number 5 mm and 5 mm standard solution and high pressure liquid coolant, each standard solution of 10 mm 2 reacted binding in paper. And, reaction presses 2 binding in paper (Fe^{2 +} ) Of optical density (optical density; OD) were measured using a spectrophotometer (spectrophotometer).

And, such as standard solution (X axis) according to reaction 2 presses also 2 concentration of optical density (Y axis) of binding in paper display a system based on calibration curves and equation (y=- 0. 2253X + 1. 4042) Was obtained (R² =0. 9812).

(Supernatant obtained after reaction in the embodiment 1) of the filtrate obtained in said in the embodiment 1 binding in paper 10 mm 2 (Fe^{2 +} ) Reacted. And, reaction presses 2 binding in paper (Fe^{2 +} ) Of optical density (optical density; OD) were measured using a spectrophotometer. Then, measurements were calculated [...] content calculated by substituting the equation of y.