Demineralized water

DD

us/cm

0.2

2

Silica

ug/L

20

2

Water supply

Hardness

umol/L

≤2.0

2
2

Dissolved oxygen

ug/L

≤7

2

PH value

8.8～9.3

2

DD（H）

us/cm

≤0.2

2

Iron

ug/L

≤30

 
 Laboratory monitoring

copper

ug/L

≤5

oil

mg/L

≤0.3

Boiler water

PH value

9～10.5

2

Phosphate radical

mg/L

2～10

2

The chloride ion

mg/L

≤4

8

DD

us/cm

≤150

2

silica

mg/L

≤2

2

Steam

silica

ug/L

≤20

2

Sodium ions

ug/L

≤10

2

iron

ug/L
Ug/L

≤20
≤20

laboratory

Every week

copper

ug/L
ug/L

≤5
≤5

Condensation 

water 

Hardness

umol/L
umol/L

≤1.0
≤1.0

2
2

Dissolved oxygen

ug/L
ug/L

≤50
≤50

2
2

DD（H）

us/cm

≤0.3

2

Workshop

Condensation 

water

Backwater

Hardness

umol/L

≤5.0

4

DD

us/cm

≤10

4

iron

ug/L

≤50

4