|
|
|
|
|
|
|
 |
A positive Iron
Bacterial presence is indicated by the development of RUST
color at water-air interface.
The RUST color may turn black because of further oxidation
by dissolved oxygen.
Presence of Slime Forming Bacteria capable of utilizing Iron
is indicated.
When a black color develops in combination with a Slime plug
and the Absence of a rust color. |
|
|
|
|
|
|
|
|
|
|
