Correction: ²⁹Si{²⁷Al}, ²⁷Al{²⁹Si} and ²⁷Al{¹H} double-resonance NMR spectroscopy study of cementitious sodium aluminosilicate gels (geopolymers) and gel–zeolite composites

Correction for ‘ 29 Si{ 27 Al}, 27 Al{ 29 Si} and 27 Al{ 1 H} double-resonance NMR spectroscopy study of cementitious sodium aluminosilicate gels (geopolymers) and gel–zeolite composites’ by Sebastian Greiser et al. , RSC Adv. , 2018, 8 , 40164–40171, https://doi.org/10.1039/C8RA09246J.