In the presence of Tween-80,trace zinc associates with thiocyanate and crystal violet can form a blue-violet ionic complex,can trace zinc be determined by FIA spectrophotometry.是什么意思_In the presence of Tween-80,trace zinc associates with thiocyanate and crystal violet can form a blue-violet ionic complex,can trace zinc be determined by FIA spectrophotometry.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句