Hach DR2400 - Suspended Solids

DR/2400
Suspended Solids
SuspendedSolids_None_Other_PHO_Eng_Ody.fm Page 1 of 2
Suspended Solids
Method 8006
Photometric Method*
*Adapted from Sewage and Industrial Wastes, 31, 1159 (1959).
(0 to 750 mg/L)
Scope and Application: For water and wastewater
1. Touch
Hach Programs.
Select program
630 Suspended Solids.
Touch
Start.
2. Blend 500 mL of
sample in a blender at
high speed for exactly
two minutes.
3. Pour the blended
sample into a 600-mL
beaker.
4. Stir the sample and
immediately pour 25 mL
of the blended sample
into a sample cell (the
prepared sample).
5. Fill a second sample
cell with 25 mL of tap
water or deionized water
(the blank).
Remove gas bubbles in the
water by swirling or
tapping the bottom of the
cell on a table.
6. Place the blank
into the cell holder.
7. Touch Zero.
The display will show:
0 mg/L Susp.Solids
8. Swirl the prepared
sample to remove any
gas bubbles and
uniformly suspend any
residue.
10 mL
20 mL
25 mL
Method 8006
Hach Programs
HRS MIN SECHRS MIN SEC
10 mL
20 mL
25 mL
NEFILL LINE
10 mL
20 mL
25 mL
10 mL
20 mL
25 mL
Zero
10 m
L
20 mL
25 m
L