G/SPS/N/CHN/1252  
 
29 September 2022  
(22-7332) Page: 1/2 
Committee on Sanitary and Phytosanitary Measures  Original: English  
 
  NOTIFICATION  
1. Notifying Member:  CHINA  
If applicable, name of local government involved:   
2. Agency responsible:  National Health Commission of the People's Republic of China  
3. Products covered (provide tariff item number(s) as specified in national 
schedules deposited with the WTO; ICS numbers should be provided in addition, 
where applicable):  Food additive Calcium hydroxide  
4. Regions or countries likely to be affected, to the extent relevant or practicable : 
[X] All trading partners   
[ ] Specific regions or countries:   
5. Title of the notified document:  National Food Safety Standard of the P.R.C.: Food 
additive Calcium Hydroxide . Language(s):  Chinese . Number of pages:  8 
https://members.wto.org/crnattachments/2022/SPS/CHN/22_6523_00_x.pdf  
6. Description of content:  This standard applies to Calcium hydroxide as a food additive 
prepared by calcine limestone or oysters containing limestone into calcium oxide and then 
by digestion. It specifies the technical requirements and testing methods for food additive 
Calcium hydroxide.  
7. Objective and rational e: [X]  food safety, [  ] animal health, [  ] plant protection, 
[ ] protect humans from animal/plant pest or disease, [  ] protect territory from 
other damage from pests.   
8. Is there a relevant international standard? If so, identify the standard:  
[X] Codex Alimentarius Commission (e.g.  title or serial number of Codex 
standard or related text) : 19th JECFA(1975) - Calcium hydroxide  
[ ] World Organization for Animal Health (OIE) (e.g.  Terrestrial or Aquatic 
Animal Health Code, chapter number) :  
[ ] Internationa l Plant Protection Convention (e.g.  ISPM number) :  
[ ] None  
Does this proposed regulation conform to the relevant international standard?  
[ ] Yes   [X] No  
If no, describe, whenever possible, how and why it deviates from the 
international standard:   
1. Heavy metal, arsenic, loss on drying, sieve residue and whiteness have been added in 
this standard for food safety. Heavy metal  (as Pb ) set to not more than 10mg/kg, 
arsenic  (as As ) set to not more than 2.0mg/kg, loss on drying set to not more than 
1.0%,  sieve residue  (0.045mm ) set to not more than 0.4%,  whiteness set to not less 
than 91;  G/SPS/N/CHN/1252  
 
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  2. Method of assay was determined by acid -base titration;  
3. Acid-insoluble substances set to 0. 1%, magnesium and alkali salts set to 2.0 %. 
The changes of the above are determin ed by the products' actual analysis results.  
9. Other relevant documents and language(s) in which these are available:    
10. Proposed date of adoption (dd/mm/yy) : To be determined.  
Proposed date of publication (dd/mm/yy) : To be determined.  
11. Proposed date of entry into force: [  ] Six months from date of publication , and/or  
(dd/mm/yy) : To be determined.  
[ ] Trade facilitating measure   
12. Final date for comments: [X]  Sixty days from the date of circulation of the 
notification and/or (dd/mm/yy) : 28 November 2022  
Agency or authority designated to handle comments: [  ] National Notification 
Authority, [X]  National Enquiry Point. Address, fax number and e -mail address (if 
available) of other body:   
WTO/SPS National Notification and Enquiry Center of the People's Republic of China  
Tel: +(86 10) 5795 4645/5795 4642  
E-mail: sps@customs.gov.cn  
13. Text(s) available from: [  ] National Notification Authority, [X]  National Enquiry 
Point. Address, fax number and e -mail address (if available) of other body:   
WTO/SPS National Notification and Enquiry Center of the People's Republic of China  
Tel: +(86 10) 5795 4645/5795 4642  
E-mail: sps@customs.gov.cn