KR100537647B1 - 과망간산칼륨법에 의한 화학적산소요구량 측정방법 - Google Patents
과망간산칼륨법에 의한 화학적산소요구량 측정방법 Download PDFInfo
- Publication number
- KR100537647B1 KR100537647B1 KR10-2003-0011151A KR20030011151A KR100537647B1 KR 100537647 B1 KR100537647 B1 KR 100537647B1 KR 20030011151 A KR20030011151 A KR 20030011151A KR 100537647 B1 KR100537647 B1 KR 100537647B1
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- KR
- South Korea
- Prior art keywords
- sulfuric acid
- potassium permanganate
- analysis
- solution
- oxygen demand
- Prior art date
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- 239000012286 potassium permanganate Substances 0.000 title claims abstract description 46
- 238000004458 analytical method Methods 0.000 title claims abstract description 43
- 239000000126 substance Substances 0.000 title claims abstract description 27
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 title claims abstract description 22
- 239000001301 oxygen Substances 0.000 title claims abstract description 22
- 229910052760 oxygen Inorganic materials 0.000 title claims abstract description 22
- 238000000034 method Methods 0.000 title claims description 35
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 claims abstract description 104
- DOBUSJIVSSJEDA-UHFFFAOYSA-L 1,3-dioxa-2$l^{6}-thia-4-mercuracyclobutane 2,2-dioxide Chemical compound [Hg+2].[O-]S([O-])(=O)=O DOBUSJIVSSJEDA-UHFFFAOYSA-L 0.000 claims abstract description 18
- 238000002835 absorbance Methods 0.000 claims abstract description 12
- 229910000367 silver sulfate Inorganic materials 0.000 claims abstract description 10
- YPNVIBVEFVRZPJ-UHFFFAOYSA-L silver sulfate Chemical compound [Ag+].[Ag+].[O-]S([O-])(=O)=O YPNVIBVEFVRZPJ-UHFFFAOYSA-L 0.000 claims abstract description 10
- 239000011521 glass Substances 0.000 claims abstract description 8
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 18
- 229910000370 mercury sulfate Inorganic materials 0.000 claims description 12
- 239000007788 liquid Substances 0.000 claims description 7
- 230000001590 oxidative effect Effects 0.000 claims description 4
- 239000005416 organic matter Substances 0.000 claims description 2
- 239000000538 analytical sample Substances 0.000 claims 1
- 239000003337 fertilizer Substances 0.000 claims 1
- 239000000523 sample Substances 0.000 claims 1
- 238000001816 cooling Methods 0.000 abstract description 10
- 229940074994 mercuric sulfate Drugs 0.000 abstract description 6
- 229910000372 mercury(II) sulfate Inorganic materials 0.000 abstract description 6
- 238000005259 measurement Methods 0.000 abstract description 3
- 238000000691 measurement method Methods 0.000 abstract description 3
- KMUONIBRACKNSN-UHFFFAOYSA-N potassium dichromate Chemical compound [K+].[K+].[O-][Cr](=O)(=O)O[Cr]([O-])(=O)=O KMUONIBRACKNSN-UHFFFAOYSA-N 0.000 description 25
- 239000000243 solution Substances 0.000 description 25
- 238000012360 testing method Methods 0.000 description 11
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 description 6
- 238000011088 calibration curve Methods 0.000 description 4
- VEXZGXHMUGYJMC-UHFFFAOYSA-M Chloride anion Chemical compound [Cl-] VEXZGXHMUGYJMC-UHFFFAOYSA-M 0.000 description 3
- 239000000460 chlorine Substances 0.000 description 3
- 229910052801 chlorine Inorganic materials 0.000 description 3
- 239000012153 distilled water Substances 0.000 description 3
- 238000010998 test method Methods 0.000 description 3
- 238000004448 titration Methods 0.000 description 3
- 239000002351 wastewater Substances 0.000 description 3
- CWYNVVGOOAEACU-UHFFFAOYSA-N Fe2+ Chemical compound [Fe+2] CWYNVVGOOAEACU-UHFFFAOYSA-N 0.000 description 2
- ZLMJMSJWJFRBEC-UHFFFAOYSA-N Potassium Chemical compound [K] ZLMJMSJWJFRBEC-UHFFFAOYSA-N 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 2
- -1 chlorine ions Chemical class 0.000 description 2
- 239000003814 drug Substances 0.000 description 2
- 229940079593 drug Drugs 0.000 description 2
- 238000002474 experimental method Methods 0.000 description 2
- 239000003112 inhibitor Substances 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 229910052700 potassium Inorganic materials 0.000 description 2
- 239000011591 potassium Substances 0.000 description 2
- 239000010865 sewage Substances 0.000 description 2
- SQGYOTSLMSWVJD-UHFFFAOYSA-N silver(1+) nitrate Chemical compound [Ag+].[O-]N(=O)=O SQGYOTSLMSWVJD-UHFFFAOYSA-N 0.000 description 2
- ZAMOUSCENKQFHK-UHFFFAOYSA-N Chlorine atom Chemical compound [Cl] ZAMOUSCENKQFHK-UHFFFAOYSA-N 0.000 description 1
- WQZGKKKJIJFFOK-GASJEMHNSA-N Glucose Natural products OC[C@H]1OC(O)[C@H](O)[C@@H](O)[C@@H]1O WQZGKKKJIJFFOK-GASJEMHNSA-N 0.000 description 1
- DGEZNRSVGBDHLK-UHFFFAOYSA-N [1,10]phenanthroline Chemical compound C1=CN=C2C3=NC=CC=C3C=CC2=C1 DGEZNRSVGBDHLK-UHFFFAOYSA-N 0.000 description 1
- DIZPMCHEQGEION-UHFFFAOYSA-H aluminium sulfate (anhydrous) Chemical compound [Al+3].[Al+3].[O-]S([O-])(=O)=O.[O-]S([O-])(=O)=O.[O-]S([O-])(=O)=O DIZPMCHEQGEION-UHFFFAOYSA-H 0.000 description 1
- BFNBIHQBYMNNAN-UHFFFAOYSA-N ammonium sulfate Chemical compound N.N.OS(O)(=O)=O BFNBIHQBYMNNAN-UHFFFAOYSA-N 0.000 description 1
- 229910052921 ammonium sulfate Inorganic materials 0.000 description 1
- 235000011130 ammonium sulphate Nutrition 0.000 description 1
- 238000009835 boiling Methods 0.000 description 1
- 239000003054 catalyst Substances 0.000 description 1
- 239000003086 colorant Substances 0.000 description 1
- 230000000052 comparative effect Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- CMMUKUYEPRGBFB-UHFFFAOYSA-L dichromic acid Chemical compound O[Cr](=O)(=O)O[Cr](O)(=O)=O CMMUKUYEPRGBFB-UHFFFAOYSA-L 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- IMBKASBLAKCLEM-UHFFFAOYSA-L ferrous ammonium sulfate (anhydrous) Chemical compound [NH4+].[NH4+].[Fe+2].[O-]S([O-])(=O)=O.[O-]S([O-])(=O)=O IMBKASBLAKCLEM-UHFFFAOYSA-L 0.000 description 1
- 239000010437 gem Substances 0.000 description 1
- 229910001751 gemstone Inorganic materials 0.000 description 1
- 239000008103 glucose Substances 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 230000002401 inhibitory effect Effects 0.000 description 1
- 239000011259 mixed solution Substances 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 239000002244 precipitate Substances 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 229910052709 silver Inorganic materials 0.000 description 1
- 239000004332 silver Substances 0.000 description 1
- 229910001961 silver nitrate Inorganic materials 0.000 description 1
- 238000010561 standard procedure Methods 0.000 description 1
- 239000012086 standard solution Substances 0.000 description 1
- 231100000331 toxic Toxicity 0.000 description 1
- 230000002588 toxic effect Effects 0.000 description 1
- 238000005406 washing Methods 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
- 238000004457 water analysis Methods 0.000 description 1
- 238000003911 water pollution Methods 0.000 description 1
Classifications
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N31/00—Investigating or analysing non-biological materials by the use of the chemical methods specified in the subgroup; Apparatus specially adapted for such methods
- G01N31/22—Investigating or analysing non-biological materials by the use of the chemical methods specified in the subgroup; Apparatus specially adapted for such methods using chemical indicators
- G01N31/223—Investigating or analysing non-biological materials by the use of the chemical methods specified in the subgroup; Apparatus specially adapted for such methods using chemical indicators for investigating presence of specific gases or aerosols
- G01N31/225—Investigating or analysing non-biological materials by the use of the chemical methods specified in the subgroup; Apparatus specially adapted for such methods using chemical indicators for investigating presence of specific gases or aerosols for oxygen, e.g. including dissolved oxygen
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
- G01N21/75—Systems in which material is subjected to a chemical reaction, the progress or the result of the reaction being investigated
- G01N21/77—Systems in which material is subjected to a chemical reaction, the progress or the result of the reaction being investigated by observing the effect on a chemical indicator
- G01N21/78—Systems in which material is subjected to a chemical reaction, the progress or the result of the reaction being investigated by observing the effect on a chemical indicator producing a change of colour
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N33/00—Investigating or analysing materials by specific methods not covered by groups G01N1/00 - G01N31/00
- G01N33/18—Water
- G01N33/1806—Biological oxygen demand [BOD] or chemical oxygen demand [COD]
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- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- Engineering & Computer Science (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Emergency Medicine (AREA)
- Molecular Biology (AREA)
- Biodiversity & Conservation Biology (AREA)
- Biomedical Technology (AREA)
- Plasma & Fusion (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Food Science & Technology (AREA)
- Medicinal Chemistry (AREA)
- Dispersion Chemistry (AREA)
- Biophysics (AREA)
- Investigating Or Analyzing Non-Biological Materials By The Use Of Chemical Means (AREA)
- Investigating Or Analysing Materials By The Use Of Chemical Reactions (AREA)
Abstract
Description
Claims (5)
- 과망간산칼륨을 이용하여 화학적산소요구량을 분석하는데 있어서황산에 황산수은, 황산은을 용해시켜 황산용액을 제조하고 1회용인 유리병에 미리 담아 놓고, 분석할 때 그 유리병에 과망간산칼륨용액과 분석시료를 주입한 후 열반응시켜 유기물이 산화되면서 변색하는 과망간산칼륨의 색변화를 분광광도계를 이용하여 흡광도를 측정하여 비교하므로써 화학적산소요구량을 분석하는 방법.
- 청구항 1에 있어서 바이알에 담기는 액체의 총량을 기준으로(황산+과망간산칼륨용액+물+시료) 1리터일 때 황산을 70 내지 120그램이 되도록 첨가하여 황산용액을 제조하는 방법
- 청구항 1에서 과망간산칼륨과 바이알에 담기는 황산과의 비율이 1 : 1,100 내지 2,450이 되도록 과망간산칼륨용액을 첨가하는 방법.
- 청구항 1에서 황산에 대해 황산수은을 무게비료 1.2 내지 2.7퍼센트 첨가하여 황산용액을 제조하는 방법.
- 청구항 1에서 황산은을 황산에 대해 무게비로 0.9 내지 1.4퍼센트 첨가하여 황산용액을 제조하는 방법.표 1.1) 황산의 양:분석키트에 담기는 액체의 총량을 1리터로 가정할 때 황산의무게2) 과망간산칼륨 첨가량 : 과망간산칼륨에 대한 황산의 무게 비3) 황산수은 첨가량 : 황산에 대한 무게 비율(퍼센트)4) 황산은 첨가랑 : 황산에 대한 무게 비율(퍼센트)표 2.1) 황산의 양:분석키트에 담기는 액체의 총량을 1리터로 가정할 때 황산의무게2) 과망간산칼륨 첨가량 : 과망간산칼륨에 대한 황산의 무게 비3) 황산수은 첨가량 : 황산에 대한 무게 비율(퍼센트)4) 황산은 첨가량 : 황산에 대한 무게 비율(퍼센트)표 3.
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KR10-2003-0011151A KR100537647B1 (ko) | 2003-02-21 | 2003-02-21 | 과망간산칼륨법에 의한 화학적산소요구량 측정방법 |
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KR10-2003-0011151A KR100537647B1 (ko) | 2003-02-21 | 2003-02-21 | 과망간산칼륨법에 의한 화학적산소요구량 측정방법 |
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KR20030031026A KR20030031026A (ko) | 2003-04-18 |
KR100537647B1 true KR100537647B1 (ko) | 2005-12-19 |
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KR101225288B1 (ko) * | 2011-07-28 | 2013-01-22 | 현대제철 주식회사 | 환원철 중 M-Fe의 분석방법 |
CN110672784A (zh) * | 2019-10-29 | 2020-01-10 | 饶宾期 | 基于机器视觉的水体溶解氧检测装置 |
CN112485099A (zh) * | 2020-11-23 | 2021-03-12 | 陕西彩虹新材料有限公司 | 一种cod混合消解剂的制备方法 |
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