naphtol

Syhthesis of novel derivatives of Naphtol AS and modification used for C.I.

Pigment Red 57: 1 (新AS衍生物合成及对C.

Seeing about the stability of alkaline (β- naphtol solution, furfural solution and copper - pyridine solution.

目:考察碱性β—萘试液、糠醛试液、铜吡啶试液是否须临用新制。