Research Article

Study on the Processing Technology of Calamine Calcination by Near-Infrared Spectroscopy

Table 1

Sample information.

Serial numberSourceCharacteristicsChemical precipitationPhase compositionZnO (%)Test result

S1YunanAround 1 cm, incanus, hardWhiteHydrozincite, hemimorphite66.57Authentic
S2AnguoAround 1 cm, light pink, hardWhiteHydrozincite69.59Authentic
S3SichuanAround 1 cm, light pink, softWhiteHydrozincite, hemimorphite, dolomite51.57Authentic
S4Guangxi0.3∼1.5 cm, incanus, hardWhiteHydrozincite, hemimorphite, dolomite43.21Authentic
S5GuizhouAround 0.2 cm, light pink, softWhiteHydrozincite, hemimorphite, dolomite, calcite38.12Authentic
S6HunanAround 0.3 cm, light pink, hardWhite, blueHydrozincite67.79Authentic
S7GuizhouAround 1 cm, light pink, softWhiteHydrozincite, hemimorphite, dolomite, calcite55.92Authentic
S8YunanAround 1 cm, incanus, hardWhiteHydrozincite, hemimorphite64.88Authentic