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[Zhenyu Ye <yezhenyu2003 AT gmail.com>]

Thanks. Prithwish.

Can you forward that concrete suggestion to the list from 3M that we got a 
concrete suggestion from 3M that we need to make sure the water contamination 
in our NOVEC liquid from the opened drum should be below 90 ppm.


> On Sep 29, 2021, at 11:35 AM, Tribedy, Prithwish <ptribedy AT bnl.gov> wrote:
> 
> FYI, some updates on this topic. We got a concrete suggestion from 3M that 
> we need to make sure the water contamination in our NOVEC liquid from the 
> opened drum should be below 90 ppm. I have contacted some people from a 
> chemistry lab at BNL to do a Karl Fischer titration. I've already sent them 
> the safety dataseet and we'll soon collect samples form STAR and proceed 
> with the test. 
> 
> Best,
> Prithwish
> 
> 
> Prithwish Tribedy
> Physics Department, Brookhaven National Laboratory
> Upton, NY 11973, USA
> Phone: 631-344-8904, 631-344-3853
> E-mail: ptribedy AT bnl.gov
> 
>> Begin forwarded message:
>> 
>> From: Prithwish Tribedy <ptribedy AT icloud.com>
>> Subject: Re: Question about C4F9OC2H5
>> Date: September 29, 2021 at 12:11:49 PM EDT
>> To: "Gokhale, Sasmit" <sgokhale AT bnl.gov>
>> 
>> Hi Sasmit,
>>   Let me get back to you ASAP after discussion with my colleagues. 
>> Best,
>> Prithwish
>> 
>> 
>> Prithwish Tribedy
>> Physics Department, Brookhaven National Laboratory
>> Upton, NY 11973, USA
>> Phone: +1 631-344-8904, 631-344-3853
>> Fax: +1 631-344-4206
>> E-mail: ptribedy AT icloud.com
>> 
>> 
>> 
>>> On Sep 29, 2021, at 9:46 AM, Gokhale, Sasmit <sgokhale AT bnl.gov> wrote:
>>> 
>>> Hi Prithwish,
>>>  
>>> Can you please let me know when you would like to bring the samples over 
>>> to our lab (building 555, room 389)? How many samples will you be 
>>> bringing and what volume/mass per sample?
>>>  
>>> Thanks,
>>> Sasmit
>>>  
>>> From: Prithwish Tribedy <ptribedy AT icloud.com> 
>>> Sent: Monday, September 27, 2021 9:20 AM
>>> To: Yeh, Minfang <yeh AT bnl.gov>
>>> Cc: Cabelli, Diane C <cabelli AT bnl.gov>; Camillone, Nicholas 
>>> <nicholas AT bnl.gov>; Senanayake, Sanjaya <ssenanay AT bnl.gov>; Rosero, 
>>> Richard <rrosero AT bnl.gov>; Gokhale, Sasmit <sgokhale AT bnl.gov>
>>> Subject: Re: Question about C4F9OC2H5
>>>  
>>> Thanks a lot Minfang, for your quick response. I look forward to work 
>>> with Sasmit. 
>>>  
>>> Best,
>>> Prithwish
>>>  
>>>  
>>> Prithwish Tribedy
>>> Physics Department, Brookhaven National Laboratory
>>> Upton, NY 11973, USA
>>> Phone: +1 631-344-8904, 631-344-3853
>>> Fax: +1 631-344-4206
>>> E-mail: ptribedy AT icloud.com
>>>  
>>>  
>>>  
>>> On Sep 27, 2021, at 9:09 AM, Yeh, Minfang <yeh AT bnl.gov> wrote:
>>>  
>>> Dear Prithwish
>>>  
>>> I have asked Sasmit to take over the KF measurement. He is cc’d and can 
>>> be reached at 4992.
>>>  
>>> Please circulate the SDS for a quick review. i don’t think any paperwork 
>>> is required (Nick, please confirm) since Sasmit will run the instrument. 
>>> It only takes few ml of sample per measurement, but I would let Sasmit to 
>>> respond how he wants to proceed.
>>>  
>>> Best
>>>  
>>> ********************************
>>> Minfang Yeh, Group Leader
>>> Neutrino and Nuclear Chemistry
>>> Brookhaven National Laboratory
>>> Building-555, Rm-390
>>> Upton, NY11973
>>> Tel: 631-344-2870
>>> ********************************
>>>  
>>>  
>>> From: Prithwish Tribedy <ptribedy AT icloud.com> 
>>> Sent: Monday, September 27, 2021 9:01 AM
>>> To: Yeh, Minfang <yeh AT bnl.gov>
>>> Cc: Cabelli, Diane C <cabelli AT bnl.gov>; Camillone, Nicholas 
>>> <nicholas AT bnl.gov>; Senanayake, Sanjaya <ssenanay AT bnl.gov>; Rosero, 
>>> Richard <rrosero AT bnl.gov>
>>> Subject: Re: Question about C4F9OC2H5
>>>  
>>> Dear Minfang and Richard, 
>>>   Since our RHIC run is only a month away I was wondering if we can make 
>>> some arrangements soon, but definitely as per your convenience. The 
>>> concrete plan is to do a KF titration of our coolant liquid and prove 
>>> that the water contamination is below 90 ppm. Otherwise it may be 
>>> dangerous to use this in the STAR experiment. Can you please let me know 
>>> what I need to do, like how much sample of the liquid I need to being. 
>>> Also, if there’s any paper work I need to do to proceed. The liquid 
>>> C4F9OC2H5 is transparent, not corrosive, nonflammable, a variant of "dry 
>>> water" that is a family of fluorinated ketone and evaporates very fast. 
>>>  
>>> Best,
>>> Prithwish
>>>  
>>>  
>>>  
>>> Prithwish Tribedy
>>> Physics Department, Brookhaven National Laboratory
>>> Upton, NY 11973, USA
>>> Phone: +1 631-344-8904, 631-344-3853
>>> Fax: +1 631-344-4206
>>> E-mail: ptribedy AT icloud.com
>>>  
>>>  
>>>  
>>> On Sep 20, 2021, at 9:44 AM, Yeh, Minfang <yeh AT bnl.gov> wrote:
>>>  
>>> Hi Prithwish
>>>  
>>> It’s probably a simple question to just measure any water impurity in 
>>> your cooling liquid. We do have KF titrator in my group. Should not be a 
>>> problem with proper arrangement with Richard.
>>>  
>>> Minfang
>>>  
>>> ********************************
>>> Minfang Yeh, Group Leader
>>> Neutrino and Nuclear Chemistry
>>> Brookhaven National Laboratory
>>> Building-555, Rm-390
>>> Upton, NY11973
>>> Tel: 631-344-2870
>>> ********************************
>>> 
> 
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