Correction: Facile hydrothermal synthesis of hierarchical porous priceite (Ca₄B₁₀O₁₉·7H₂O) microspheres as high-efficiency adsorbents for heavy metal ions removal

Abstract

Correction for ‘Facile hydrothermal synthesis of hierarchical porous priceite (Ca₄B₁₀O₁₉·7H₂O) microspheres as high-efficiency adsorbents for heavy metal ions removal’ by Wancheng Zhu et al., CrystEngComm, 2019, DOI: 10.1039/c9ce01003c.

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The authors regret some citation errors concerning the references in Table 1 of the published paper. Table 1 with the correct references is shown below.

Table 1 Comparison of the adsorption capacity for Pb²⁺ on various adsorbents

Adsorbent	S BET (m^2 g^−1)	Pb^2+ adsorption capacity qm (mg g^−1)	Ref.
a S BET: specific surface area.
BiOBr microspheres	59.30	6.5	50
Spherical mesoporous silica	—	59.0	51
Organic silica hollow spheres	259.90	75.6	52
Urchin-like α-FeOOH hollow spheres	96.90	80.0	22
Hierarchical porous MgO microrods	50.20	124.4	48
Porous Ca(BO2)2 microspheres	42.70	140.2	25
Magnetic PNB core–shell microspheres	—	143.0	6
Carnation-like Ca4B10O19·7H2O microspheres	32.79	256.4	This work
Fe3O4@SiO2@Zr(OH)x CSNs	29.00	283.8	53
Hydroxyapatite/Fe3O4 microspheres	59.40	440.0	54
Flower-like Ti(HPO4)2·H2O microstructures	122.00	550.0	55

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The Royal Society of Chemistry apologises for these errors and any consequent inconvenience to authors and readers.

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