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Table 7 Transfer factors of heavy metals from tea plantation soils of tea leaves

From: Determination of heavy metals in the soils of tea plantations and in fresh and processed tea leaves: an evaluation of six digestion methods

Sample ID

Cd

Pb

As

Se

FTL-1

0.4375

0.0008

–

–

FTL-2

0.2000

0.0291

0.6036

–

FTL-3

0.2353

0.0062

–

–

FTL-4

0.5417

0.1318

0.4588

–

FTL-5

0.3182

0.0042

0.6536

–

FTL-6

0.2000

0.0130

0.6250

–

FTL-7

0.6875

0.0786

1.3704

–

FTL-8

0.2609

0.0485

0.5974

–

FTL-9

0.8125

0.0000

0.0000

0.7778

FTL-10

1.0909

0.0000

0.2436

1.0494

Mean

0.4784

0.0312

0.4552

0.1827