Bulk Calcium and Titanium contents and Ti/Ca ratio of sediment core GeoB11804-4

Bulk Ca and Ti contents and Ti/Ca ratio of sediment core GeoB11804-4, measured by ICP-OES after HF/HNO3/H2O2 microwave pressure digestion.沉积物岩芯GeoB11804-4的全量钙（Ca）、钛（Ti）含量及Ti/Ca比值，经氢氟酸（HF）/硝酸（HNO3）/过氧化氢（H2O2）微波加压消解后，采用电感耦合等离子体发射光谱法（ICP-OES）完成测定。