. /.   WORLD TRADE  
ORGANIZATION  G/TBT/N/CHN/314 
30 November 2007 
 (07-5259) 
Committee on Technical Barriers to Trade Original:   English 
  
 
NOTIFICATION 
 
The following notification is being circ ulated in accordance with Article 10.6. 
 
1. Member to Agreement notifying:   THE PEOPLE’S REPUBLIC OF CHINA
 
If applicable, name of local government involved (Articles 3.2 and 7.2):         
2. Agency responsible:   Standardization Administration of  China (SAC) 
Name and address (including telephone and fax numbers, e-mail and web-site 
addresses, if available) of  agency or authority designated to handle comments 
regarding the notification shall be  indicated if different from above:         
3. Notified under Article 2.9.2 [  X ], 2.10.1 [   ], 5.6.2 [   ], 5.7.1 [   ], other:         
4. Products covered (HS or CCCN where applicable, otherwise national tariff heading. 
ICS numbers may be provided in  addition, where applicable):   Triple superphosphate  
ICS:  65.080, HS:  31 
5. Title, number of pages and langu age(s) of the notified document:   National Standard of 
the P.R.C., Triple superphosphate (10 pages, in Chinese).  
6. Description of content:  This National Standard sets the technical requirements, testing 
methods, inspection procedures, marking, p ackages, transport and storage of Triple 
superphosphate products. It app lies to granular and powder triple superphosphate for 
agriculture use manufactured by wet or thermal processing phosphoric acid and phosphate rock. They should conform to the requirements listed in Table 1 and Table 2 and the content 
displayed on container. 
Table 1  Powder triple superphosphate            % 
Item Excellent Typical Guarantee 
Total phosphate by mass (as P 2O5)             ≥ 44.0 42.0 40.0 
Available phosphate by mass (as P 2O5)          ≥ 42.0 40.0 38.0 
Water soluble phosphate by mass (as P 2O5)      ≥ 36.0 34.0 32.0 
Free acid by mass (as P 2O5)                   ≤ 7.0 
Moisture by mass              ≤ 8.0 
 
Table 2  Granular triple superphosphate            % 
Item Excellent Typical Guarantee 
Total phosphate by mass (as P 2O5)             ≥ 46.0 44.0 42.0 
Available phosphate by mass (as P 2O5)         ≥ 44.0 42.0 40.0 
Water soluble phosphate by mass (as P 2O5)      ≥ 38.0 36.0 35.0 
Free acid by mass (as P 2O5)                  ≤ 5.0 
Moisture by mass                    ≤ 4.0 
Grain size by mass （2.00mm～4.75mm）       ≥ 90 G/TBT/N/CHN/314 
Page 2  
 
  This National Standard is mandatory as stated  by articles. The requirements in Chapter 
3(see Table 1 and Table2), inspection procedures in Chapter 5, marking in Chapter 6, and 
7.1, packing, transport and storage in Chapter 7 are mandatory, and the others are recommended. This national standard applies to  granular and powder triple superphosphate 
for agriculture use produced and marketed  within the territory of P.R.China. 
7. Objective and rationale, including the na ture of urgent problems where applicable:  
For the protection of human health, animal and plant health, and the environment. 
8. Relevant documents:   - 
9. Proposed date of adoption:   
Proposed date of entry into force:    90 days after circulation by WTO Secretariat 
6 months after adoption 
10. Final date for comments:   60 days after circulation by the WTO Secretariat 
11. Texts available from:  National enquiry point [  X ] or address, telephone and fax 
numbers, e-mail and web-site addresses, if available of the other body:   
WTO/TBT National Notification and Enquiry Center of the People’s Republic of China 
Tel: (+86) 10 8226 0618 Fax: (+86) 10 8226 2448 Email: tbt@aqsiq.gov.cn