Fri Jun 3 12:40:30 2011

Ta#37-LP-SIS (w.o#38634-5)

Filled with 400 Ta foils (25/pk), 4.0 cm in length.  Total mass + Ta wire = 42.32g.  The heat shield was assembled and tested, and the standard salts were added.  Target was installed in the test stand on Jun 1, 2011.  

Fri Jun 17 09:19:46 2011: The following salts have been added: Li, Na, Rb @ 10uL, K @ 5uL, Cs @ 15uL, and Be @ 10uL.

Wednesday, July 06, 2011, 14:08:  TM1 is still under repairing.  It was tested at the test-stand. Target is on the shelve and ready to be used.

Tuesday, July 26, 2011, 15:58:  Salt added before going into the hotcell: Li,Na,Rb,K,Cs.  Target is ready to be used for TM1 test.

Wednesday, July 27, 2011, 10:48:  It was found that the extraction electrode had some arc marking on it (see attachment: EE).  Investigating... 

Wednesday, July 27, 2011, 12:51: After further investigation on the extraction electrode,  we found some black and blue(or green) deposit on the outside surface and inside of the EE.  This deposit is most likely copper oxide, which formed during the HV test.  The EE was removed, and wiped clean with methanol.  (see attachment: EE_CuO).  This target will be used in TM1. 

Friday, August 26, 2011, 09:48:  As per Friday Aug 26 TIS meeting, bNMR is very satisfied with the beam; the count rate is very stable.

Fri Jun 17 10:28:47 2011

First batch of UO2/C mixture of carbonization (Stock# 2011_A):   

UO2 used = 50.120g (left overs + container = 411.23g)

C(grv) used = 10.653g (or 21.25% w/w)

Mass of organics = 4.842g (or 9.66% w/w) 

Mass of dried cast = 47.420g 

Waste collected in jar = 18.195g (including UO2, C and Org) 

Waste accountable for UO2 = 12.57g

The carbonization process started from May 26 to June 4 (9 days).  

See attachment #1 and #2 for the striptools during the UO2/C carbonization

Total Mass UC2 flakes = 35.310g 

 Fri Jun 17 11:56:15 2011

Attempted to make the second batch of UO2/C mixture of carbonization on June 13, but it failed.  The milling jar gasket seal partially came out during the high speed milling.  As a result, the UO2/C mixture squirted out and contaminated the planetary mill (See attachment #3 & #4).  RPG and all other groups were informed.  The planetary mill and the lab were properly cleaned up (see attachment #5), no activities were found after the cleaning.  Attachments #6, #7, #8 are some of the discussion about the UO2 spill.  

All the UO2 taken out from the container (50.23g) is accountable for waste.  

 June 28, 2011 - Re-making 2nd batch of UO2/C mixture was successful.  

Stock#2011_B:

UO2 used = 50.29g

C(grv) used = 10.0g 

Mass of Organics = 4.84g 

Mass of Dried green = 71.96g (the cast was let dry over night <24hrs due to time restriction.  It might not be completely dried as a result of such heavy mass remained.  However, the UO2 waste was very minimum, <5.0g) 

Total Mass UC2 flakes = 56.853g 

Ta-LP-SIS (w.o#38634-2)

Target consists of 400 Ta foils, 4.4 cm in length.  Total mass + Ta wire = 40.87g.

Thursday, July 07, 2011, 15:43:  Begin target assembly. 

Friday, July 08, 2011, 14:24: assembly completed.  Std stds added for test-stand: Li, Na, Rb, K, Cs.

Friday, July 15, 2011, 09:09:  Target currently in test-stand.  Will come out on Monday next week.  Need to add std salts + Be. 

Monday, July 18, 2011, 10:58:  Target removed from test-stand.  Std salts added (Li, Na, Rb, K, Cs) & Be (as requested by Jens).  Maico D.V will do a final inspection on the target before it goes into the hotcell

UCx#2 Spec:

Target wrapped with 3 Ta-heat shields

Target length = 11.2cm

Total UC2/C foils = 245 discs

Total U/cm2 = 15.27g

Standard salts = 10uL Na, 10uL Li

Tuesday, August 09, 2011, 14:27: 

Target came out from the glovebox and transported to the cold lab for assembly.  During the assembly, one of the screw-heads for the heat-shield broke (see attachment#1: broken_screwhead). 

The target was leak checked and fine. 

Target is going back to the glovebox to be kept under Ar until RH is ready (see attachment #2: UCx#2).

 Tuesday, October 04, 2011, 10:21

UCx#2 run was finished last week.  

Target was moved from ITW to south hot cell, and stored in a bucket under argon feed. 

Tuesday, September 06, 2011, 13:14: 

Average mass = 0.206g

Average Thickness = 0.0189 cm

Area of D-shaped disc = 2.21 cm2

D-shape discs diameter = 18.5mm (14.5mm cut-out length)

Oven ID, L= 18.22mm, R = 18.20mm 

Density = 4.9266 g/cm3

% Yield Density = 47.20%

Attachment#1 - TaC density measurements.

 Loaded target with 125 discs --> 9.6g Ta/cm2

Total discs mass = 30.41g

Total length = 4.5 cm

 Thursday, September 15, 2011, 10:45

Na & Li were added.

Re foil inserted.

No Ta-heat shields required.

Friday, September 30, 2011, 14:10

After the test-stand, 10uL of Na and Li were added yesterday.   

Target is now ready, and will be moved into the hotcell next week. 

Wednesday, November 16, 2011, 15:51 

After the target was finished and transferred into the hotcell, it was found that the target broke apart from the center block.  This might have happened during the end of the target cooldown. See link for more details: 

http://documents.triumf.ca/docushare/dsweb/View/Collection-7438

John Wong wrote:

Tuesday, September 06, 2011, 13:14:  Average mass = 0.206g Average Thickness = 0.0189 cm Area of D-shaped disc = 2.21 cm2 D-shape discs diameter = 18.5mm (14.5mm cut-out length) Oven ID, L= 18.22mm, R = 18.20mm  Density = 4.9266 g/cm3 % Yield Density = 47.20% Attachment#1 - TaC density measurements.  Loaded target with 125 discs --> 9.6g Ta/cm2 Total discs mass = 30.41g Total length = 4.5 cm  Thursday, September 15, 2011, 10:45 Na & Li were added. Re foil inserted. No Ta-heat shields required.

Tuesday, September 27, 2011, 10:29

 After the test stand, deposited material was found on the Extraction Electrode. A sample of the material was taken for later analysis. The electrode was cleaned with methanol. See attachment for photos.

 Wednesday, November 16, 2011, 13:51

UCx#3 descriptions: 

Target oven wrapped with 3-Ta heat shields, including the back block (see attachment#1)

Total UCx/C discs = 365

Total disc length = 12.9cm 

UC2/C (365 foils) = 44.76 g

UC2/C (365 foils) - organics = 39.24g

U (365 foils) = 34.05g

U (365 foils) thickness = 16.03 g  

Salts added:  Na, Li, K, Rb, & Ce. 

Monday, February 13, 2012, 16:00 

Nb#5 target description:

Total Nb foils = 400

Total Mass (400 foils + Ta wire) = 24.52g

Total Length = 4.0cm

Target thickness = 11.57 g/cm2

Target Density = 8.57g/cm3

Inserted Rh foil (1cmx1cm)

Added standard salts before test-stand:

15ml Cs

10ml Li, Na, Rb  

5ml K 

Monday, April 23, 2012, 08:58

Target was tested in the test stand, see https://elog.triumf.ca/TIS/Test-Stand/77 for more details.

No salts were added after the test.  The target is now in the conditioning station. 

Ta#38 LP-SIS target description:

Total Ta foils = 400

Foil thickness = 0.025mm

Target density = 16.69 g/cm3

Target area = 2.12cm2

Target length = 4.3cm

Total Mass (400 foils + Ta wire) = 42.8013g

See the link for more details: http://documents.triumf.ca/docushare/dsweb/View/Collection-8541

Friday, June 01, 2012, 11:36

The target is now in the test-stand, and by next week Tuesday, it should go in the Hotcell.

 Monday, June 04, 2012, 16:56

The target was tested in the Test-stand.  The EE was inspected and a small amount of deposit was discovered after the test (the same stuff was found on Ta#36),  see attachment #1.  The samples were collected and will be analyzed through SEM/EDX/XRD.

The EE and the common plate were cleaned with methanol and were assembled back.

The target is ready to go in the Hotcell tomorrow, June 05.

 Monday, November 05, 2012, 16:42

The deposits on the EE and CC were analyzed using XRD

On the EE, it was mainly copper hydroxide nitrate, Cu2(OH)3(NO3). (see attachment #2)

On the CE, it was mainly tantalum, Ta. (see attachment #3)

John Wong wrote:

Monday, February 13, 2012, 16:00  Nb#5 target description: Total Nb foils = 400 Total Mass (400 foils + Ta wire) = 24.52g Total Length = 4.0cm Target thickness = 11.57 g/cm2 Target Density = 8.57g/cm3 Inserted Rh foil (1cmx1cm) Added standard salts before test-stand: 15ml Cs 10ml Li, Na, Rb   5ml K  Monday, April 23, 2012, 08:58 Target was tested in the test stand, see https://elog.triumf.ca/TIS/Test-Stand/77 for more details. No salts were added after the test.  The target is now in the conditioning station.

 Monday, June 11, 2012, 13:42

The Nb#5 run was good.  The target is now in the storage. 

see https://elog.triumf.ca/TIS/RH-ISAC/124

Friday, July 20, 2012, 11:35

UCx#4 target description, see attachment#1

The target is assembled and stored in the Ar-glove box.  It will be transported to the South Hotcell on July 31, 2012.

Wednesday, August 29, 2012, 14:50

UCx#5 target description, see attachment#1

The target is currently undergoing the final conditioning in the Evaporator #1. 

 Wednesday, December 05, 2012, 15:46

This target was broken right before the end of the final run.  The target was inspected today inside the Hotcell and the pictures can be found here: http://documents.triumf.ca/docushare/dsweb/View/Collection-9357

Looks like the protective layer (TaC coating) was worn out over the course of the run time. 

We need to improve the target coating so this can be prevented in the future.

More info about this later...

 Wednesday, September 12, 2012, 02:10

Nb#7 target description: 

Total Nb foils = 400 discs

Total Nb mass (Nb foils + Ta wires) = 26.529g 

Total length (after filled) = 4.6cm 

(see attachment #1) 

 Tuesday, March 19, 2013, 12:28

SiC#28 - RFQ target description: 

Total SiC foils = 325 discs

Total SiC + C-grv foils = 38.48 g 

Total length = 10.9cm 

Average mass of SiC/disc (without graphite foil) = 0.083 g

Average thickness of SiC (without graphite foil) = 0.18 mm 

No Rh foil added

See attachment #1:  SiC#28 RFQ density measurements 

See link for more details:  https://documents.triumf.ca/docushare/dsweb/View/Collection-9771

Ta#38 LP-SIS target description:

Total Ta foils = 400

Foil Thickness = 0.025mm

Target density = 16.69 g/cm3

Target length = 4.1cm

Total Mass (400 foils + Ta wire) = 43.15g

Disc area = 2.12 cm2

Ta thickness = 20.354g/cm2

See link for more details:

http://documents.triumf.ca/docushare/dsweb/View/Collection-9934

 Thursday, May 30, 2013, 16:57

UCx#6 target specification, see attachment #1. 

The target is currently undergoing the final conditioning in the Evaporator#1.

 Wednesday, June 12, 2013, 17:10

Target is assembled and stored in the Ar glove box.

It's ready to go into the Hotcell.

Friday, August 30, 2013, 12:06

UCx#7 target specification, see attachment #1.

The target is assembled and going online soon.

Monday, March 17, 2014, 16:14

Ta#42 LP-SIS target description:

Total Ta foils = 400

Foil Thickness = 0.025mm

Target density = 16.69 g/cm3

Target length = 4.2cm

Total Mass (400 foils + Ta wire) = 45.899g

 Friday, June 06, 2014, 14:08

See attachment for the target description

 Tuesday, July 15, 2014, 9:45

Ta#42 LP-SIS target description:

Total Ta foils = 400

Foil Thickness = 0.025mm

Target density = 16.69 g/cm3

Target length = 4.9cm

Total Mass (400 foils + Ta wire) = 45.920g