BG106765A - Прибавка за подобряване свойствата на водата - Google Patents
Прибавка за подобряване свойствата на водата Download PDFInfo
- Publication number
- BG106765A BG106765A BG106765A BG10676502A BG106765A BG 106765 A BG106765 A BG 106765A BG 106765 A BG106765 A BG 106765A BG 10676502 A BG10676502 A BG 10676502A BG 106765 A BG106765 A BG 106765A
- Authority
- BG
- Bulgaria
- Prior art keywords
- water
- additive
- chlorine
- additive according
- addition
- Prior art date
Links
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 70
- 239000003795 chemical substances by application Substances 0.000 title abstract description 3
- 235000014653 Carica parviflora Nutrition 0.000 claims abstract description 21
- 239000003651 drinking water Substances 0.000 claims abstract description 19
- 235000020188 drinking water Nutrition 0.000 claims abstract description 19
- 239000004576 sand Substances 0.000 claims abstract description 16
- 241000894006 Bacteria Species 0.000 claims abstract description 13
- 239000003349 gelling agent Substances 0.000 claims abstract description 8
- 241000195493 Cryptophyta Species 0.000 claims abstract description 6
- 125000003289 ascorbyl group Chemical class [H]O[C@@]([H])(C([H])([H])O*)[C@@]1([H])OC(=O)C(O*)=C1O* 0.000 claims abstract 2
- 239000000654 additive Substances 0.000 claims description 49
- 230000000996 additive effect Effects 0.000 claims description 42
- 239000007853 buffer solution Substances 0.000 claims description 5
- 235000010376 calcium ascorbate Nutrition 0.000 claims description 5
- 229940047036 calcium ascorbate Drugs 0.000 claims description 5
- 239000011692 calcium ascorbate Substances 0.000 claims description 5
- BLORRZQTHNGFTI-ZZMNMWMASA-L calcium-L-ascorbate Chemical compound [Ca+2].OC[C@H](O)[C@H]1OC(=O)C(O)=C1[O-].OC[C@H](O)[C@H]1OC(=O)C(O)=C1[O-] BLORRZQTHNGFTI-ZZMNMWMASA-L 0.000 claims description 5
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 4
- 229920001661 Chitosan Polymers 0.000 claims description 3
- 150000001875 compounds Chemical class 0.000 claims description 3
- 239000005749 Copper compound Substances 0.000 claims description 2
- 244000269722 Thea sinensis Species 0.000 claims description 2
- 150000001880 copper compounds Chemical class 0.000 claims description 2
- 229910052742 iron Inorganic materials 0.000 claims description 2
- 229910052751 metal Inorganic materials 0.000 claims description 2
- 239000002184 metal Substances 0.000 claims description 2
- VTYYLEPIZMXCLO-UHFFFAOYSA-L Calcium carbonate Chemical compound [Ca+2].[O-]C([O-])=O VTYYLEPIZMXCLO-UHFFFAOYSA-L 0.000 claims 2
- 244000132059 Carica parviflora Species 0.000 claims 1
- 229910000019 calcium carbonate Inorganic materials 0.000 claims 1
- 235000010216 calcium carbonate Nutrition 0.000 claims 1
- 150000002739 metals Chemical class 0.000 claims 1
- 241000243321 Cnidaria Species 0.000 abstract description 17
- 235000019640 taste Nutrition 0.000 abstract description 7
- 239000000203 mixture Substances 0.000 abstract description 6
- ZAMOUSCENKQFHK-UHFFFAOYSA-N Chlorine atom Chemical compound [Cl] ZAMOUSCENKQFHK-UHFFFAOYSA-N 0.000 description 29
- 239000000460 chlorine Substances 0.000 description 29
- 229910052801 chlorine Inorganic materials 0.000 description 29
- CIWBSHSKHKDKBQ-JLAZNSOCSA-N Ascorbic acid Chemical compound OC[C@H](O)[C@H]1OC(=O)C(O)=C1O CIWBSHSKHKDKBQ-JLAZNSOCSA-N 0.000 description 8
- 239000000047 product Substances 0.000 description 7
- 235000010323 ascorbic acid Nutrition 0.000 description 5
- 238000012360 testing method Methods 0.000 description 5
- 229910052784 alkaline earth metal Inorganic materials 0.000 description 4
- 238000005660 chlorination reaction Methods 0.000 description 4
- 241000242757 Anthozoa Species 0.000 description 3
- 150000000996 L-ascorbic acids Chemical class 0.000 description 3
- 206010028980 Neoplasm Diseases 0.000 description 3
- 239000011668 ascorbic acid Substances 0.000 description 3
- 244000052616 bacterial pathogen Species 0.000 description 3
- 229910052791 calcium Inorganic materials 0.000 description 3
- 239000011575 calcium Substances 0.000 description 3
- 201000011510 cancer Diseases 0.000 description 3
- 239000003638 chemical reducing agent Substances 0.000 description 3
- 150000001805 chlorine compounds Chemical class 0.000 description 3
- 238000011109 contamination Methods 0.000 description 3
- 235000013305 food Nutrition 0.000 description 3
- 208000015181 infectious disease Diseases 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 239000013589 supplement Substances 0.000 description 3
- OYPRJOBELJOOCE-UHFFFAOYSA-N Calcium Chemical compound [Ca] OYPRJOBELJOOCE-UHFFFAOYSA-N 0.000 description 2
- 150000000994 L-ascorbates Chemical class 0.000 description 2
- 235000019738 Limestone Nutrition 0.000 description 2
- NBIIXXVUZAFLBC-UHFFFAOYSA-N Phosphoric acid Chemical compound OP(O)(O)=O NBIIXXVUZAFLBC-UHFFFAOYSA-N 0.000 description 2
- 239000003513 alkali Substances 0.000 description 2
- 150000001342 alkaline earth metals Chemical class 0.000 description 2
- 229960005070 ascorbic acid Drugs 0.000 description 2
- 229940043430 calcium compound Drugs 0.000 description 2
- 150000001674 calcium compounds Chemical class 0.000 description 2
- 239000000470 constituent Substances 0.000 description 2
- 201000010099 disease Diseases 0.000 description 2
- 208000037265 diseases, disorders, signs and symptoms Diseases 0.000 description 2
- 230000002496 gastric effect Effects 0.000 description 2
- WQYVRQLZKVEZGA-UHFFFAOYSA-N hypochlorite Chemical compound Cl[O-] WQYVRQLZKVEZGA-UHFFFAOYSA-N 0.000 description 2
- 239000006028 limestone Substances 0.000 description 2
- 150000003839 salts Chemical class 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- BJEPYKJPYRNKOW-REOHCLBHSA-N (S)-malic acid Chemical compound OC(=O)[C@@H](O)CC(O)=O BJEPYKJPYRNKOW-REOHCLBHSA-N 0.000 description 1
- ZZZCUOFIHGPKAK-UHFFFAOYSA-N D-erythro-ascorbic acid Natural products OCC1OC(=O)C(O)=C1O ZZZCUOFIHGPKAK-UHFFFAOYSA-N 0.000 description 1
- 241001465754 Metazoa Species 0.000 description 1
- 239000005708 Sodium hypochlorite Substances 0.000 description 1
- 208000025371 Taste disease Diseases 0.000 description 1
- 229930003268 Vitamin C Natural products 0.000 description 1
- 230000002411 adverse Effects 0.000 description 1
- BJEPYKJPYRNKOW-UHFFFAOYSA-N alpha-hydroxysuccinic acid Natural products OC(=O)C(O)CC(O)=O BJEPYKJPYRNKOW-UHFFFAOYSA-N 0.000 description 1
- 229910000147 aluminium phosphate Inorganic materials 0.000 description 1
- 239000003963 antioxidant agent Substances 0.000 description 1
- 235000006708 antioxidants Nutrition 0.000 description 1
- 229940072107 ascorbate Drugs 0.000 description 1
- 239000003637 basic solution Substances 0.000 description 1
- -1 calcium ascorbic acid salt Chemical class 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 150000001860 citric acid derivatives Chemical class 0.000 description 1
- 239000003086 colorant Substances 0.000 description 1
- 230000000052 comparative effect Effects 0.000 description 1
- 230000035622 drinking Effects 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 230000008030 elimination Effects 0.000 description 1
- 238000003379 elimination reaction Methods 0.000 description 1
- 239000003623 enhancer Substances 0.000 description 1
- 238000011156 evaluation Methods 0.000 description 1
- 239000000383 hazardous chemical Substances 0.000 description 1
- 231100000206 health hazard Toxicity 0.000 description 1
- 239000004615 ingredient Substances 0.000 description 1
- 150000003893 lactate salts Chemical class 0.000 description 1
- 239000001630 malic acid Substances 0.000 description 1
- 235000011090 malic acid Nutrition 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 235000019656 metallic taste Nutrition 0.000 description 1
- 229920000609 methyl cellulose Polymers 0.000 description 1
- 239000001923 methylcellulose Substances 0.000 description 1
- 235000010981 methylcellulose Nutrition 0.000 description 1
- 239000008239 natural water Substances 0.000 description 1
- 230000007935 neutral effect Effects 0.000 description 1
- 238000004806 packaging method and process Methods 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 238000005067 remediation Methods 0.000 description 1
- 235000015170 shellfish Nutrition 0.000 description 1
- SUKJFIGYRHOWBL-UHFFFAOYSA-N sodium hypochlorite Chemical compound [Na+].Cl[O-] SUKJFIGYRHOWBL-UHFFFAOYSA-N 0.000 description 1
- 235000003563 vegetarian diet Nutrition 0.000 description 1
- 235000019154 vitamin C Nutrition 0.000 description 1
- 239000011718 vitamin C Substances 0.000 description 1
- 239000002351 wastewater Substances 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/66—Treatment of water, waste water, or sewage by neutralisation; pH adjustment
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/58—Treatment of water, waste water, or sewage by removing specified dissolved compounds
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/68—Treatment of water, waste water, or sewage by addition of specified substances, e.g. trace elements, for ameliorating potable water
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/28—Treatment of water, waste water, or sewage by sorption
- C02F1/281—Treatment of water, waste water, or sewage by sorption using inorganic sorbents
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/70—Treatment of water, waste water, or sewage by reduction
Landscapes
- Chemical & Material Sciences (AREA)
- Environmental & Geological Engineering (AREA)
- Organic Chemistry (AREA)
- Life Sciences & Earth Sciences (AREA)
- Hydrology & Water Resources (AREA)
- Engineering & Computer Science (AREA)
- Water Supply & Treatment (AREA)
- Medicinal Chemistry (AREA)
- Health & Medical Sciences (AREA)
- Non-Alcoholic Beverages (AREA)
- Treatment Of Water By Oxidation Or Reduction (AREA)
- Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
- Agricultural Chemicals And Associated Chemicals (AREA)
- Medicines Containing Material From Animals Or Micro-Organisms (AREA)
- Water Treatment By Sorption (AREA)
- Solid-Sorbent Or Filter-Aiding Compositions (AREA)
- Food Preservation Except Freezing, Refrigeration, And Drying (AREA)
- Treatment Of Water By Ion Exchange (AREA)
- Cold Air Circulating Systems And Constructional Details In Refrigerators (AREA)
- Physical Water Treatments (AREA)
- Separation Of Suspended Particles By Flocculating Agents (AREA)
- Lubricants (AREA)
- Removal Of Specific Substances (AREA)
- Medicines Containing Plant Substances (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| NO19995792A NO310716B1 (no) | 1999-11-26 | 1999-11-26 | Middel til forbedring av drikkevann |
| PCT/NO2000/000386 WO2001038230A1 (en) | 1999-11-26 | 2000-11-16 | Water improvement agent containing coral sand |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BG106765A true BG106765A (bg) | 2003-01-31 |
Family
ID=19904026
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BG106765A BG106765A (bg) | 1999-11-26 | 2002-05-31 | Прибавка за подобряване свойствата на водата |
Country Status (34)
| Country | Link |
|---|---|
| US (1) | US6808650B1 (et) |
| EP (1) | EP1250291B1 (et) |
| JP (1) | JP4072668B2 (et) |
| KR (1) | KR100714507B1 (et) |
| CN (1) | CN1207213C (et) |
| AT (1) | ATE273933T1 (et) |
| AU (1) | AU774565B2 (et) |
| BG (1) | BG106765A (et) |
| BR (1) | BR0016100B1 (et) |
| CA (1) | CA2391972C (et) |
| CZ (1) | CZ296098B6 (et) |
| DE (1) | DE60013179T2 (et) |
| DK (1) | DK1250291T3 (et) |
| EA (1) | EA004210B1 (et) |
| EE (1) | EE04810B1 (et) |
| ES (1) | ES2225263T3 (et) |
| HU (1) | HUP0203345A3 (et) |
| IL (1) | IL149756A (et) |
| LT (1) | LT5013B (et) |
| LV (1) | LV12954B (et) |
| MA (1) | MA26042A1 (et) |
| MX (1) | MXPA02005263A (et) |
| NO (1) | NO310716B1 (et) |
| NZ (1) | NZ519463A (et) |
| OA (1) | OA12092A (et) |
| PL (1) | PL202229B1 (et) |
| PT (1) | PT1250291E (et) |
| RO (1) | RO121425B1 (et) |
| SI (1) | SI20871A (et) |
| SK (1) | SK285472B6 (et) |
| TR (1) | TR200201392T2 (et) |
| UA (1) | UA71643C2 (et) |
| WO (1) | WO2001038230A1 (et) |
| ZA (1) | ZA200204149B (et) |
Families Citing this family (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2001026927A (ja) * | 1999-07-15 | 2001-01-30 | Nobumasa Asakawa | グラウンドアンカーにおける定着体 |
| GB2385050A (en) * | 2002-02-07 | 2003-08-13 | Medicarb Ab | Removing pathogens from water |
| US20080251446A1 (en) * | 2004-05-19 | 2008-10-16 | Aqua Puro Danmark A/S | "pre-filled and sealed filter bag" |
| NO20045580L (no) * | 2004-12-21 | 2006-06-22 | Health By Nature As | Middel for forbedring av vann og andre drikkbare vaesker |
| CN1313395C (zh) * | 2005-03-09 | 2007-05-02 | 西北农林科技大学 | 超浓缩藻菌微生态平衡悬浮型水质改良剂及制备方法 |
| KR100882271B1 (ko) | 2007-06-14 | 2009-02-09 | 주식회사 워터스 | 다공성 담체를 이용한 티백차 및 상기 티백차의 제조방법 |
| CN101913674B (zh) * | 2010-08-04 | 2011-11-16 | 南京信息工程大学 | 采用铝盐改性蛋壳去除水中磷的方法 |
| CN101921009B (zh) * | 2010-08-04 | 2011-11-16 | 南京信息工程大学 | 改性废弃蛋壳去除水中磷的方法 |
| EP2828208B1 (en) | 2012-03-22 | 2022-02-23 | PeroxyChem LLC | Organic acid activation of persulfates |
| CN102845469A (zh) * | 2012-09-03 | 2013-01-02 | 南通博大生化有限公司 | 一种银离子水用消毒剂 |
| KR20190070608A (ko) | 2017-12-13 | 2019-06-21 | 황석현 | 폐각 껍질을 이용한 수질 정화 및 개선용 조성물 |
Family Cites Families (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5112357B2 (et) * | 1972-06-07 | 1976-04-19 | ||
| JPS6283089A (ja) * | 1985-10-09 | 1987-04-16 | Nissho:Kk | 浄水剤 |
| JPS62227489A (ja) * | 1986-03-31 | 1987-10-06 | Sekisui Chem Co Ltd | 水処理具 |
| JP2584809B2 (ja) * | 1988-01-12 | 1997-02-26 | 株式会社トクヤマ | 浄水剤 |
| JPH01281193A (ja) * | 1988-05-02 | 1989-11-13 | Tokuyama Soda Co Ltd | 浄水剤 |
| DE3828229A1 (de) * | 1988-08-19 | 1990-02-22 | Feldmann Chemie Gmbh | Mittel zur reinigung, desinfektion und wartung von trinkwasseranlagen und anlagen der getraenkeindustrie |
| JPH02268885A (ja) * | 1989-04-10 | 1990-11-02 | Nissho:Kk | 浄水剤 |
| JPH03238088A (ja) * | 1990-02-15 | 1991-10-23 | Nishihara Environ Sanit Res Corp | 微生物固定化瀘材 |
| US5169682A (en) * | 1990-03-28 | 1992-12-08 | Coral Biotech Co., Ltd. | Method of providing silver on calcium carbonate material such as coral sand |
| JPH06206066A (ja) * | 1993-01-12 | 1994-07-26 | S T Chem Co Ltd | 浄水剤およびこれを用いる水処理具 |
| JPH06320150A (ja) * | 1993-03-17 | 1994-11-22 | Marine Bio Kk | 洗髪水用フィルターおよびシャワーヘッド |
| JPH06283089A (ja) * | 1993-03-25 | 1994-10-07 | Matsushita Electric Works Ltd | 接点開閉装置 |
| JP3238088B2 (ja) | 1996-12-17 | 2001-12-10 | 日本電気株式会社 | 圧電トランス駆動回路およびこれを用いる冷陰極管照明装置 |
-
1999
- 1999-11-26 NO NO19995792A patent/NO310716B1/no not_active IP Right Cessation
-
2000
- 2000-11-16 AT AT00978118T patent/ATE273933T1/de not_active IP Right Cessation
- 2000-11-16 OA OA1200200151A patent/OA12092A/en unknown
- 2000-11-16 MX MXPA02005263A patent/MXPA02005263A/es active IP Right Grant
- 2000-11-16 JP JP2001539794A patent/JP4072668B2/ja not_active Expired - Fee Related
- 2000-11-16 RO ROA200200680A patent/RO121425B1/ro unknown
- 2000-11-16 EA EA200200484A patent/EA004210B1/ru not_active IP Right Cessation
- 2000-11-16 HU HU0203345A patent/HUP0203345A3/hu unknown
- 2000-11-16 EE EEP200200259A patent/EE04810B1/et not_active IP Right Cessation
- 2000-11-16 AU AU15610/01A patent/AU774565B2/en not_active Ceased
- 2000-11-16 US US10/130,879 patent/US6808650B1/en not_active Expired - Fee Related
- 2000-11-16 BR BRPI0016100-4A patent/BR0016100B1/pt not_active IP Right Cessation
- 2000-11-16 DE DE60013179T patent/DE60013179T2/de not_active Expired - Lifetime
- 2000-11-16 ES ES00978118T patent/ES2225263T3/es not_active Expired - Lifetime
- 2000-11-16 SI SI200020062A patent/SI20871A/sl not_active IP Right Cessation
- 2000-11-16 PL PL355478A patent/PL202229B1/pl not_active IP Right Cessation
- 2000-11-16 SK SK739-2002A patent/SK285472B6/sk not_active IP Right Cessation
- 2000-11-16 DK DK00978118T patent/DK1250291T3/da active
- 2000-11-16 UA UA2002054063A patent/UA71643C2/uk unknown
- 2000-11-16 EP EP00978118A patent/EP1250291B1/en not_active Expired - Lifetime
- 2000-11-16 PT PT00978118T patent/PT1250291E/pt unknown
- 2000-11-16 TR TR2002/01392T patent/TR200201392T2/xx unknown
- 2000-11-16 NZ NZ519463A patent/NZ519463A/en unknown
- 2000-11-16 WO PCT/NO2000/000386 patent/WO2001038230A1/en not_active Ceased
- 2000-11-16 CZ CZ20022230A patent/CZ296098B6/cs not_active IP Right Cessation
- 2000-11-16 CN CNB008162824A patent/CN1207213C/zh not_active Expired - Fee Related
- 2000-11-16 CA CA002391972A patent/CA2391972C/en not_active Expired - Fee Related
- 2000-11-16 KR KR1020027006715A patent/KR100714507B1/ko not_active Expired - Fee Related
- 2000-11-16 IL IL14975600A patent/IL149756A/xx not_active IP Right Cessation
-
2002
- 2002-05-24 ZA ZA200204149A patent/ZA200204149B/xx unknown
- 2002-05-31 BG BG106765A patent/BG106765A/bg unknown
- 2002-06-03 MA MA26666A patent/MA26042A1/fr unknown
- 2002-06-21 LV LVP-02-120A patent/LV12954B/lv unknown
- 2002-06-21 LT LT2002069A patent/LT5013B/lt not_active IP Right Cessation
Also Published As
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| TWI391095B (zh) | 抑制紙漿和紙中之微生物生長 | |
| BG106765A (bg) | Прибавка за подобряване свойствата на водата | |
| Neves et al. | Copper toxicity to Folsomia candida in different soils: a comparison between nano and conventional formulations | |
| JPH06206066A (ja) | 浄水剤およびこれを用いる水処理具 | |
| RU2299862C2 (ru) | Состав для обеззараживания воды | |
| WO2006068496A1 (en) | Agent and method for improvement op water and other potable liquids | |
| EA018162B1 (ru) | Композиция и способ для дезинфекции | |
| HK1051994B (en) | Water improvement agent containing coral algae | |
| Ozha et al. | Scourge of high Fluoride in ground waters of Arid Rajasthan and strategy of its Mitigation | |
| JPH0646271B2 (ja) | ソフトコンタクトレンズ保存液調製用製剤 | |
| CN110583694A (zh) | 一种多离子抗菌防霉剂及其制备方法 | |
| JPH11196831A (ja) | 物質の改質材料及び物質の改質方法 | |
| WAUGH | To ascertain whether the arsenic was being added in the water-usage cycle, we measured the arsenic concentrations at different points in the water-distri-bution system (Table 3). Blind sets of the seven samples studied were sent to four independent laboratories, and arsenic analyses were requested. While the results were not duplicated exactly, the general pattern of findings was not | |
| MAGNUSON et al. | To ascertain whether the arsenic was being added in the water-usage cycle, we measured the arsenic concentrations at different points in the water-distri-bution system (Table 3). Blind sets of the seven samples studied were sent to four independent laboratories, and arsenic analyses were requested. While the results were not duplicated exactly, the general pattern of findings was not | |
| JP2017051140A (ja) | ミネラル含有水溶液 |