melamine
fda三聚氰胺(melamine)检测标准(编辑修改稿)
eam of dry air using a ReactiVap module set at approximately 70176。 C. Add 200 181。 l pyridine and 200 181。 l BSTFA, vortex briefly to mix, and incubate at approximately 70176。 C for 30 minutes.