Seawater Appendix1a.pdf

PDF 12 MB Posted

Attached to
Seawater CO2 System Federal contract opportunity
Solicitation number
1333ND24QNB130376
Issued by
Department of Commerce National Institute of Standards and Technology

About this file

This document appears to be an appendix related to a federal contract opportunity for a Seawater CO2 System. The solicitation is being issued by the National Institute of Standards and Technology (NIST) Chemical Sciences Division (CSD) to procure a custom designed borosilicate vacuum extraction line. The key objectives are for the contractor to provide scientific glass blowing services to fabricate this custom vacuum extraction line, which is designed to minimize adsorption of carbon dioxide and consists of four modular units on the front side and a mirrored non-modular rear vacuum line. The line includes an acidification module, gas purification traps, and a sample collection module with specified components such as pressure gauges and diffusion pumps. Preliminary schematics and design specifications are provided in the appendix, though the contractor may recommend design changes as needed. The overall purpose is to support NIST's measurement services for ocean carbon metrology and greenhouse gas metrology.

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Text version

none Appendix 1

Acid reservoir, 3,000 mL Round bottom flask Excel C5

Needle valve w/o-ring Excel C8

14/35, Excel C9, C10

Total height wet side approximately 106 cm

Excel C# references part numbers given in Appendix 2

Section # reference sections listed in part list given in Appendix 2

Page numbers correspond to figures and pictures in this appendix

Wong pipette (completed), page 15

Acid chamber, 40 mL

Extraction flask 500 mL fliter flask w/ side arm

Thimble trap

29/40, Excel C6, C7

14/35, Excel C9, C10

Excel part list section 1.1 page 3, 8, 9, 16, 17

8/19 ball/socket Excel C11-13

29/40, Excel C6, C7

To upper manifold

To dry side, section 2

50/30 ball/socket Excel 27-29

Excel part list section 1.2 page 4, 15, 16, 17

Wet side extraction line

50 cm

0 cm

100 cm

Piriani gauge Excel C51

Reference picture 12 removing ln2 from t2

Connection for cylinder ϭͬϰ͟�ƐƚĂŝŶůĞƐƐ�ƐƚĞĞů�

*Connection to piriani gauge suggested parts: Kovar CG- 306-06 to Swagelok NPT

Stopcock ϰ�ŵŵ͕�ϵϬ϶ Excel C45

8/19 ball/socket Excel C39-41

To upper manifold

*Design input needed, originally part is no longer available, suggested part is listed

Stopcock ϰ�ŵŵ͕�ϵϬ϶ Excel C45

Piriani gauge Excel C51

Piriani gauge Excel C51

*Connection to piriani gauge suggested parts: Kovar CG- 306-06 to Swagelok NPT

*Connection to piriani gauge suggested parts: Kovar CG- 306-06 to Swagelok NPT

To upper manifold

29/43 ground glass joint Excel C37, C38 Round bottom flask

500 mL, Excel C46

Round bottom flask 1,000 mL, Excel C47 Pages 5, 19

Stopcock ϰ�ŵŵ͕�ϵϬ϶ Excel C45

All stopcocks ϰ�ŵŵ͕�ϵϬ϶ Excel C45

8/19 ball/socket Excel C39-41

All stopcocks ϰ�ŵŵ͕�ϵϬ϶ Excel C45

� Excel C# references part numbers given in Appendix 2 � Section # reference sections designated part list given in Appendix 2 � Page number correspond to figures and picture in this appendix � Section brackets also designate suggested break points in extraction line � Total length of wet and dry side is approximately 85 cm

Dry side extraction line

Excel part list section 2.1 Pages 5, 18, 19, 21, 22, 23

Excel part list section 3.1 Pages 6, 18, 20, 21, 22

Excel part list section 4.1 Pages 7, 20, 21

To wet side

10 cm 42 cm 86 cm

Extraction line, wet side

Extraction line, dry side, Traps 1 and 2

Extraction line, dry side, U traps

Extraction line, dry side, sample ports

Extraction line, wet side, back of manifold

Extraction line, connection to manifold

Diffusion pump bypass and main trap

Oil trap

Filling rig

Vacuum gauges and controller

Wong pipette schematic

Extraction line, wet and dry sides

Extraction line, dry side trap 2 in use

Extraction line

Extraction line, in use

Extraction line, dry side, U trap

Extraction line, dry side

Diffusion pump, oil trap

Diffusion pump schematics

Back of extraction line, manifold

File details come from the government source that posted it. Updated .