GB/T 22930.2-2021 Leather and fur—Chemical determination of metal content—Part 2:Total metal content
GB/T 22930.2-2021 Leather and fur—Chemical determination of metal content—Part 2:Total metal content
Basic Information
Scope
This document describes the test methods for the total content of 24 metals in leather and fur, including aluminum (Al), arsenic (As), barium (Ba), calcium (Ca), cadmium (Cd), cobalt (Co), chromium (Cr), copper (Cu), iron (Fe), potassium (K), magnesium (Mg), sodium (Na), lead (Pb), manganese (Mn), molybdenum (Mo), nickel (Ni), mercury (Hg), antimony (Sb), selenium (Se), silicon (Si), tin (Sn), titanium (Ti), zinc (Zn), and zirconium (Zr).
This document is applicable to the determination of the total content of 24 metals in various types of leather and fur, as well as the determination of the non-metallic boron (B) content.
This document is not applicable to the determination of the total chromium content in chrome-tanned leather.
Note: For the determination of the total chromium content in chrome-tanned leather, refer to QB/T 2720, QB/T 5313, QB/T 5314, or QB/T 5315.