Sender: |
|
X-To: |
|
Date: |
Wed, 9 Feb 2000 18:36:46 -0000 |
Reply-To: |
|
Subject: |
|
From: |
|
Content-Transfer-Encoding: |
7bit |
Content-Type: |
text/plain; charset="iso-8859-1" |
Organization: |
Bonding Services & Products |
MIME-Version: |
1.0 |
Parts/Attachments: |
|
|
The posts on this topic were interesting.
For my continued education/information what does the 'net think of using conductivity checks on
final rinse water as an instant process control parameter?
Mike Fenner
----- Original Message -----
From: Alain Savard <[log in to unmask]>
To: <[log in to unmask]>
Sent: Monday, February 07, 2000 5:12 PM
Subject: Re: [TN] Saponifier concentration measurement
> Hi Lou,
>
> Titration will usually give you more precise results.
>
> There are several ways to do to use titration:
> - Autotritration with pH/potentiometer is an excellent choice for a tight
> control, but is rather expensive.
> - Manual titration with a burette and colour indicator is usually more then
> sufficient.
> - Drop kit system might be appropriate if you need to verify a gross
> approximation on the spot, this methods can be as the operator level
> but is prone to error due to complexity in calibrating the size of
> the
> drops.
>
> Just my 2 cents,
>
> Alain Savard, B.Sc.
> Chemical Process Analyst
> CAE Electronics Ltd.
> e-mail: [log in to unmask]
>
> -----Original Message-----
> From: Lou Hart
> Subject: [TN] Saponifier concentration measurement
>
>
> Technetters, how do you measure saponifier concentration in a board assembly
> cleaning machine? We've been using a refractometer to measure degrees Brix,
> but this is appears to be a "legacy" method. I've been hearing titration
> would be the way to do it. Please comment. Lou Hart QA manager, Compunetix
##############################################################
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
##############################################################
|
|
|