Table 2 Test methods of each index.
From: First flush of non-point source pollution and hydrological effects of LID in a Guangzhou community
Test items | Test methods |
|---|---|
BOD5 | Dilution and inoculation HJ 505-2009 |
CODcr | Dichromate method GB/T 11914-1989 |
TSS | Gravimetric method GB/T 11901-1989 |
NH3-N | Sodium Reagent Spectrophotometry HJ 535-2009 |
TN | Alkaline potassium persulfate digestion UV Spectrophotometry HJ 636-2012 |
TP | Ammonium molybdate spectrophotometric method GB/T 11893-1989 |
