Determination of 11 kinds of solvent residues in plastic food packing material by headspace gas chromatography;

Simultaneous determination of six solvent residues in cigarette packaging materials by purge-and-trap coupled to gas chromatography with series connected dual detectors;

The current situation and future trend of retention aid in China;

If we could use phosphorgypsum whisker in stead of textile plants, we can reduce the cost of paper making and index of pollution ;this text introduce that means of phosphorgypsum whisker in paper making and choices of retention aid and dispersant ,at the same time discuss the performance of paper .

In this paper,the hydrotalcite based cationic microparticulate retention aid was synthesized via co-precipitation of aluminum and magnesium at a consistent pH.

Determination of residual solvents in atracurium besilate by gas chromatography;

Determination of residual solvents in Milrinone by GC;

Determination of the residual solvents in cefpiramide by GC;

Study on phases equilibrium conditions for determination of residual solvents in edible vegetable oils by headspace gas chromatography;

Determination of residual solvents in pyridostigmine bromide by headspace gas chromatography;

Detection method study of the residual solvents in Cefonicid Sodium;