样品

Ca²⁺

(mg/L)

Mg²⁺

(mg/L)

${\text{SiO}}_3^{2-}$

(mg/L)

${\text{SO}}_4^{2-}$

(mg/L)

${\text{HCO}}_3^{-}$

(mg/L)

垢A (管道垢)

30,000

6000

450

102

-

垢B (管道垢)

28,000

4800

330

90

-

垢C (厌氧罐底垢)

26,000

3600

210

88

-

原水

360

312

600

500

366