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Precipitates (ppts) in new generation aluminum–lithium alloys (AA2099 and AA2199) were characterised using scanning and transmission electron microscopy and atom probe tomography. Results obtained on the following ppts are reported: Guinier–Preston zones, T1 (Al2CuLi), β’ (Al3Zr) and δ’ (Al3Li). The focus was placed on their composition and the presence of minor elements. X‐ray energy‐dispersive spectrometry...