Subject: | |
From: | |
Reply To: | TechNet E-Mail Forum. |
Date: | Fri, 23 Jul 1999 16:40:16 -0500 |
Content-Type: | text/plain |
Parts/Attachments: |
|
|
Nitric is very aggressive. I wouldn't use it for cleaning copper oxide. You
risk inducing a grainy copper surface, pitting, etc. etc.
A 10% sulfuric solution has worked great for me for years.
Hope this helps
Franklin D Asbell
-----Original Message-----
From: nishath yasmeen <[log in to unmask]>
To: [log in to unmask] <[log in to unmask]>
Date: Friday, July 23, 1999 2:40 PM
Subject: [TN] Copper oxide removal
>Hello everyone!
> Is Nitirc acid ( dilute) a better acid than sulfuric for cleaning
>the oxide on plated copper?
> Any information provided will be appreciated.
>
>Yasmeen
>
>##############################################################
>TechNet Mail List provided as a free service by IPC using LISTSERV 1.8c
>##############################################################
>To subscribe/unsubscribe, send a message to [log in to unmask] with following
text in
>the body:
>To subscribe: SUBSCRIBE TECHNET <your full name>
>To unsubscribe: SIGNOFF TECHNET
>##############################################################
>Please visit IPC web site (http://www.ipc.org/html/forum.htm) for
additional
>information.
>If you need assistance - contact Gayatri Sardeshpande at [log in to unmask] or
>847-509-9700 ext.5365
>##############################################################
>
##############################################################
TechNet Mail List provided as a free service by IPC using LISTSERV 1.8c
##############################################################
To subscribe/unsubscribe, send a message to [log in to unmask] with following text in
the body:
To subscribe: SUBSCRIBE TECHNET <your full name>
To unsubscribe: SIGNOFF TECHNET
##############################################################
Please visit IPC web site (http://www.ipc.org/html/forum.htm) for additional
information.
If you need assistance - contact Gayatri Sardeshpande at [log in to unmask] or
847-509-9700 ext.5365
##############################################################
|
|
|