Absorption correction A* for cylindrical and spherical samples with extended range and high accuracy calculated by the Thorkildsen and Larsen analytical method

The absorption correction A* for cylindrical and spherical samples over the extended ranges of 0 ≤ μR ≤ 30 and 0 ≤ θ ≤ 90° and with high accuracy is calculated by the Thorkildsen and Larsen analytical method.