Ammonia Emission from Concrete Admixtures Sold in Lanzhou / 环境与健康杂志
Journal of Environment and Health
; (12)1992.
Article
in Chinese
| WPRIM (Western Pacific)
| ID: wpr-544589
Responsible library:
WPRO
ABSTRACT
0.05). The average amount of ammonia emission was 0.012%, 0.024% and 0.081% at pH values of 9, 11 and 13 respectively. Ammonia emission increased with the increasing pH values, especially for those admixtures containing carboxylate. Conclusion Ammonia emission from concrete admixtures sold in Lanzhou exceed the standard in different degree.Higher pH value may accelerate the ammonia emission from concrete admixtures and cause higher concentration of ammonia in indoor air.
Full text:
Available
Database:
WPRIM (Western Pacific)
Language:
Chinese
Journal:
Journal of Environment and Health
Year:
1992
Document type:
Article