ammonium pyrophosphate 中文意思是什麼
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The good adhesion of zinc coating can be obtained. 3. pyrophosphate copper electroplating is conducted by ammonium citrate as a auxiliary complexing agent at around 40, the narrow range of current density can
3 .焦磷酸鹽鍍銅時採用檸檬酸銨作為輔助配合劑，溫度控制在40左右，電流密度范圍較窄，控制在1 . 0a . dm ~ （ - 2 ）左右，電鍍時間較長，無法達到無孔狀態，所以必須採用酸性鍍銅加厚銅鍍層。
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