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Table 4 Results of Boehm titration

From: Production and characterization of absorbent heat from the bark of residual Brazil nut bark (Bertholletia Excelsa l.)

Functional groups

MASFGa (%)

Deviation

-COOH

17.91

0.023

-COOR

3.62

0.037

-OH

78.48

0.003

  1. aMASFG: mass of acidic surface functional groups
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BMC Chemistry

ISSN: 2661-801X

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