Table 3 Textural properties of SBCH and BMOJ.

From: Preparation and characterization of Allium cepa extract coated biochar and adsorption performance for hexavalent chromium

Adsorbents

Surface area/m2 g−1

Pore volume/cm3 g−1

Pore diameter/nm

pHPZC

SBCH

0.8787

0.009472

5.0841

6.04

BMOJ

4.478

0.006335

5.6592

5.74

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