QB/T 2929-2008 "Solvent inks solvent residue limits and their determination methods", which stipulates the limit requirements and determination methods of solvent inks solvent residue. The standard specifies the residue limit indicators of benzene, alcohol and other solvents in various solvent inks, standardizes the measurement process of sample preparation and gas chromatograph detection to ensure the accuracy and reliability of the test results, aiming to control the harmful residues of solvent inks, ensure product safety, and promote the green and healthy development of inks industry.