Influence of Nanomodified Waterproofing Agent on the Performance of Rigid Waterproof Concrete in Underground Engineering

Table 3

Test report of nanocinnamon dioxide.

Inspection items	Quality standard	Measured results
Appearance	White powder	Compliant
Average particle size ()		50
Specific surface area ()		200
Content (%)	90.5	99.7
pH value	5-7	6.8
Surface treatment section	Nothing	Nothing
Loss on ignition (%)  h	6.0	0.5
Arsenic	1.0	Qualified
Lead	1.0	Qualified