国际上对自来水有pH值为6.0-8.5的限制，原因是由于自来水输送的水管可能发生管线腐蚀的问题影响水质，和可能对公众健康的影响。然而，自来水经过滤处理之后（经过滤或净化过程），这pH值的限制不再适用于自来水。

瓶装水需使用国家合格的原水，经过滤处理与消毒杀菌后再充填完成与贩卖，因此将自来水对pH值6.0-8.5的限制规定，使用在瓶装水是一种误会。

关于瓶装饮用水的pH值标准，我们乐意提供以下信息：

 

 

 

 

 

 

 

 

 

附件

附件（1）：Page 409世卫组织饮用水指南。

网址：
http://apps.who.int/iris/bitstream/handle/10665/44584/9789241548151_eng.pdf;jsessionid=8CDC0D07EF25B04CC9810495536CD1EF?sequence=1

In the event of a spill, it may be necessary to carry out a context-specific assessment of the risk to health. The fact that petroleum products are complex mixtures of many individual hydrocarbons is a complicating factor in determining the potential risks to consumers. The traditional approach of evaluating individual chemicals in assessing the risks from drinking-water is therefore largely inappropriate. In order to overcome this difficulty, it is more practical to consider a series of hydrocarbon fractions and to determine appropriate tolerable concentrations for those fractions. The most widely accepted approach is that developed by the Total Petroleum Hydrocarbons Criteria Working Group in the USA, which divided total petroleum hydrocarbons into a series of aliphatic and aromatic fractions based on the number of carbon atoms and the boiling point, to give equivalent carbon numbers. This pragmatic approach provides a suitable basis for assessing the potential health risks associated with larger-scale contamination of drinking-water by petroleum products. The allocation of 10% of each of the reference doses, equivalent to TDIs, for the various fractions to drinking-water provides a conservative assessment of the risks. Although the approach is based on the analysis of hydrocarbon fractions, most are of low solubility, and the most soluble fractions, consisting largely of lower molecular weight aromatic hydrocarbons, will be present in the greatest concentration.

pH
No health-based guideline value is proposed for pH. Although pH usually has no direct impact on consumers, it is one of the most important operational water quality parameters (see chapter 10).

Reason for not establishing a guideline value	Not of health concern at levels found in drinking-water
Additional comments	An important operational water quality parameter
Assessment date	1993
Principal reference	WHO (2007) pH in drinking water

2-Phenylphenol and its sodium salt
2-Phenylphenol (CAS No. 90-43-7) is used as a disinfectant, bactericide and virucide. In agriculture, it is used in disinfecting fruits, vegetables and eggs. It is also used as a general surface disinfectant in hospitals, nursing homes, veterinary hospitals, poultry farms, dairy farms, commercial laundries, barbershops and food processing plants. 2-Phenylphenol is readily degraded in surface waters, with a half-life of about 1 week in river water.

 

---

附件（2）：台湾关于pH的法律和法规。

网址：
http://law.moj.gov.tw/ENG/LawClass/LawAll.aspx?PCode=O0040019

D. Limit range of residual chlorine (Limited to water supply systems using chlorine as disinfectant):

Item	Maximum limit	Unit
Free available residual chlorine	0.2-1.0	milligrams/liter

E. Range for pH index (water treated by stationary continuous water supply equipment on public or private premises are not be subjected to this limitation):

Item	Maximum limit	Unit
Hydrogen ion concentration index (pH value)	6.0-8.5	No unit

 

---

附件（3）：世界各地的碱性水产品图片。

目前市场上出售的碱性离子水

a) 美国的Essentia Water（pH 9.5）

网址：https://essentiawater.com/

b) 日本麒麟碱性离子水（pH 8.5 - 9.3）

网址：https://www.kirin.co.jp/company/english/about/kirinbeverage/

c) 台湾统一的碱性离子水（pH 9.0）

网址：https://www.uni-president.com/

d) 台湾台盐海洋碱性离子水（pH 8.0-9.5）

网址：http://www.tybio.com.tw/

e) 越南的ION LIFE离子水（pH 8.5-9.5）

网址：http://www.ionlife.com.vn/

 

---

附件（4）: 日本MOH认证家用水电离器作为医疗器械。

 

---

附件（5）: 韩国家用水电离器认证。