组别

G1

G2

G3

G4

M1

M2

M3

M4

E1

E2

E3

E4

Chelex-100法

A

21

21

21

21

21

21

21

21

21

21

21

21

B

21

21

21

21

21

21

21

21

21

21

21

21

C

21

21

21

21

21

21

21

21

21

21

21

21

D

21

21

21

21

21

21

21

21

21

21

21

21

对照组

21

21

21

21

21

21

21

21

21

21

21

21

硅珠法

A

21

21

21

21

21

21

21

21

21

21

21

21

B

21

21

21

21

21

21

21

21

21

21

21

21

C

21

21

21

21

21

21

21

21

21

21

21

21

D

21

21

21

21

21

21

21

21

21

21

21

21