Gold on Carbon High Resolution Test Specimens

Scanning electron microscope (SEM and Focused Ion Beam (FIB) system resolution is defined in terms of a combination of criteria: resolution and number of gray levels in the image. This is to ensure that the resolution has not been distorted by using too much contrast to maximize visibility of the edges. High resolution images ideally show fine details together with a low noise and a good range of contrast levels. The widely used gold on carbon test specimens are excellent for SEM, FESEM and FIB resolution testing. The gold particles, with superior feature details, generate high secondary and/or backscatter electron signals with excellent contrast against the carbon background. Five different special resolution testing specimens are available with different gold particle sizes for different resolution levels. Available unmounted or conveniently mounted on most common SEMs stubs.

Store your calibration and test specimens in a vacuum desiccator such as the #16179 PELCO® SEM Sample Stub Vacuum Desiccator.

PELCO® Technical Notes for Gold on Carbon SEM Resolution Test Specimens (PDF)

Resolution Test Specimen, Gold on Carbon Specimen 1

Particle size range from approximately 5nm to 150nm

Each specimen has a square grid pattern with large crystals in the center of each square and very fine crystals at the edges of each grid (as illustrated). Thus, medium and high resolution gap tests are performed on the same specimen. The larger crystals show facets which allow assessment of the gray level reproduction available at high resolution. 6mm dia. x 2mm.

See mount selections, types A-R

High Resolution Test Specimen, Gold on Carbon Specimen 2

Particle size range from <3nm to 50nm

Particularly suited for assessing the image quality of high resolution SEMs, such as those fitted with a field emission source. A magnification of at least x80,000 is required to clearly resolve the gold particles. 6mm dia. x 2mm.

See mount selections, types A-R

Ultra High Resolution Test Specimen, Gold on Carbon Specimen 3

Particle size range from <2nm to 30nm

For ultra high resolution performance testing, this specimen has a smaller gold island particle size compared to the 617 specimen described previously. Suitable for testing field emission SEM's at instrument magnifications of x100,000 and above. 6mm dia. x 2mm.

See mount selections, types A-R

Low Voltage Resolution Test Specimen, Gold on Carbon Specimen 4

Particle sizes range from 30nm to 500nm

When operating at low accelerating voltages or using older instruments, difficulties may be experienced in imaging the standard gold on carbon resolution specimens. This may be due to inferior resolution at low voltage or poor signal to noise ratio when operating at high scanning rates with small spot sizes. The larger gold islands give high contrast while retaining small gaps for resolution measurement. This makes the specimen easier to use at non-optimal operating conditions. 6mm dia. x 2mm.

See mount selections, types A-R

Medium Resolution Test Specimen, Gold on Carbon Specimen 5

The larger gold particles, with clear separation, provide an excellent structure to setup the microscope. Particle size range 0.1-1µm, for scanning electron microscopes and high magnification light microscopes. Magnification range 800-10,000x. 6.4mm dia. x 0.7mm.

See mount selections, types A-R

Documentation

SDS

Technical Notes

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Variant	Variant total	Quantity	Price	Variant total
Resolution Gold on Carbon, Specimen 1, Unmounted (Unit: each)617	Resolution Gold on Carbon, Specimen 1, Unmounted (Unit: each)617 858,00 lei/ea	0,00 lei	Quantity	858,00 lei/ea	0,00 lei

Resolution Gold on Carbon, Specimen 1, Mount A (Unit: each)617-A	Resolution Gold on Carbon, Specimen 1, Mount A (Unit: each)617-A 910,80 lei/ea	0,00 lei	Quantity	910,80 lei/ea	0,00 lei

Resolution Gold on Carbon, Specimen 1, Mount B (Unit: each)617-B	Resolution Gold on Carbon, Specimen 1, Mount B (Unit: each)617-B 910,80 lei/ea	0,00 lei	Quantity	910,80 lei/ea	0,00 lei

Resolution Gold on Carbon, Specimen 1, Mount C (Unit: each)617-C	Resolution Gold on Carbon, Specimen 1, Mount C (Unit: each)617-C 910,80 lei/ea	0,00 lei	Quantity	910,80 lei/ea	0,00 lei

Resolution Gold on Carbon, Specimen 1, Mount D (Unit: each)617-D	Resolution Gold on Carbon, Specimen 1, Mount D (Unit: each)617-D 910,80 lei/ea	0,00 lei	Quantity	910,80 lei/ea	0,00 lei

Resolution Gold on Carbon, Specimen 1, Mount E (Unit: each)617-E	Resolution Gold on Carbon, Specimen 1, Mount E (Unit: each)617-E 910,80 lei/ea	0,00 lei	Quantity	910,80 lei/ea	0,00 lei

Resolution Gold on Carbon, Specimen 1, Mount F (Unit: each)617-F	Resolution Gold on Carbon, Specimen 1, Mount F (Unit: each)617-F 910,80 lei/ea	0,00 lei	Quantity	910,80 lei/ea	0,00 lei

Resolution Gold on Carbon, Specimen 1, customer to supply the mount. PLEASE ASK FOR THE OFFER (Unit: each)617-G	Resolution Gold on Carbon, Specimen 1, customer to supply the mount. PLEASE ASK FOR THE OFFER (Unit: each)617-G 0,00 lei/ea	0,00 lei	Quantity Sold out	0,00 lei/ea	0,00 lei

Resolution Gold on Carbon, Specimen 1, Mount K (Unit: each)617-K	Resolution Gold on Carbon, Specimen 1, Mount K (Unit: each)617-K 910,80 lei/ea	0,00 lei	Quantity	910,80 lei/ea	0,00 lei

Resolution Gold on Carbon, Specimen 1, Mount L (Unit: each)617-L	Resolution Gold on Carbon, Specimen 1, Mount L (Unit: each)617-L 910,80 lei/ea	0,00 lei	Quantity	910,80 lei/ea	0,00 lei

Resolution Gold on Carbon, Specimen 1, Mount M (Unit: each)617-M	Resolution Gold on Carbon, Specimen 1, Mount M (Unit: each)617-M 910,80 lei/ea	0,00 lei	Quantity	910,80 lei/ea	0,00 lei

Resolution Gold on Carbon, Specimen 1, Mount O (Unit: each)617-O	Resolution Gold on Carbon, Specimen 1, Mount O (Unit: each)617-O 910,80 lei/ea	0,00 lei	Quantity	910,80 lei/ea	0,00 lei

Resolution Gold on Carbon, Specimen 1, Mount P (Unit: each)617-P	Resolution Gold on Carbon, Specimen 1, Mount P (Unit: each)617-P 910,80 lei/ea	0,00 lei	Quantity	910,80 lei/ea	0,00 lei

Resolution Gold on Carbon, Specimen 1, Mount Q (Unit: each)617-Q	Resolution Gold on Carbon, Specimen 1, Mount Q (Unit: each)617-Q 910,80 lei/ea	0,00 lei	Quantity	910,80 lei/ea	0,00 lei

Resolution Gold on Carbon, Specimen 1, Mount R (Unit: each)617-R	Resolution Gold on Carbon, Specimen 1, Mount R (Unit: each)617-R 910,80 lei/ea	0,00 lei	Quantity	910,80 lei/ea	0,00 lei

High Resolution Gold on Carbon Specimen 2, Unmounted (Unit: each)617-2	High Resolution Gold on Carbon Specimen 2, Unmounted (Unit: each)617-2 2.032,80 lei/ea	0,00 lei	Quantity	2.032,80 lei/ea	0,00 lei

High Resolution Gold on Carbon Specimen 2, Mount A (Unit: each)617-2A	High Resolution Gold on Carbon Specimen 2, Mount A (Unit: each)617-2A 2.085,60 lei/ea	0,00 lei	Quantity	2.085,60 lei/ea	0,00 lei

High Resolution Gold on Carbon Specimen 2, Mount B (Unit: each)617-2B	High Resolution Gold on Carbon Specimen 2, Mount B (Unit: each)617-2B 2.085,60 lei/ea	0,00 lei	Quantity	2.085,60 lei/ea	0,00 lei

High Resolution Gold on Carbon Specimen 2, Mount C (Unit: each)617-2C	High Resolution Gold on Carbon Specimen 2, Mount C (Unit: each)617-2C 2.085,60 lei/ea	0,00 lei	Quantity	2.085,60 lei/ea	0,00 lei

High Resolution Gold on Carbon Specimen 2, Mount D (Unit: each)617-2D	High Resolution Gold on Carbon Specimen 2, Mount D (Unit: each)617-2D 2.085,60 lei/ea	0,00 lei	Quantity	2.085,60 lei/ea	0,00 lei

High Resolution Gold on Carbon Specimen 2, Mount E (Unit: each)617-2E	High Resolution Gold on Carbon Specimen 2, Mount E (Unit: each)617-2E 2.085,60 lei/ea	0,00 lei	Quantity	2.085,60 lei/ea	0,00 lei

High Resolution Gold on Carbon Specimen 2, Mount F (Unit: each)617-2F	High Resolution Gold on Carbon Specimen 2, Mount F (Unit: each)617-2F 2.085,60 lei/ea	0,00 lei	Quantity	2.085,60 lei/ea	0,00 lei

High Resolution Gold on Carbon Specimen 2, customer to supply the mount. PLEASE ASK FOR THE OFFER (Unit: each)617-2G	High Resolution Gold on Carbon Specimen 2, customer to supply the mount. PLEASE ASK FOR THE OFFER (Unit: each)617-2G 0,00 lei/ea	0,00 lei	Quantity Sold out	0,00 lei/ea	0,00 lei

High Resolution Gold on Carbon Specimen 2, Mount K (Unit: each)617-2K	High Resolution Gold on Carbon Specimen 2, Mount K (Unit: each)617-2K 2.085,60 lei/ea	0,00 lei	Quantity	2.085,60 lei/ea	0,00 lei

High Resolution Gold on Carbon Specimen 2, Mount L (Unit: each)617-2L	High Resolution Gold on Carbon Specimen 2, Mount L (Unit: each)617-2L 2.085,60 lei/ea	0,00 lei	Quantity	2.085,60 lei/ea	0,00 lei

High Resolution Gold on Carbon Specimen 2, Mount M (Unit: each)617-2M	High Resolution Gold on Carbon Specimen 2, Mount M (Unit: each)617-2M 2.085,60 lei/ea	0,00 lei	Quantity	2.085,60 lei/ea	0,00 lei

High Resolution Gold on Carbon Specimen 2, Mount O (Unit: each)617-2O	High Resolution Gold on Carbon Specimen 2, Mount O (Unit: each)617-2O 2.085,60 lei/ea	0,00 lei	Quantity	2.085,60 lei/ea	0,00 lei

High Resolution Gold on Carbon Specimen 2, Mount P (Unit: each)617-2P	High Resolution Gold on Carbon Specimen 2, Mount P (Unit: each)617-2P 2.085,60 lei/ea	0,00 lei	Quantity	2.085,60 lei/ea	0,00 lei

High Resolution Gold on Carbon Specimen 2, Mount Q (Unit: each)617-2Q	High Resolution Gold on Carbon Specimen 2, Mount Q (Unit: each)617-2Q 2.085,60 lei/ea	0,00 lei	Quantity	2.085,60 lei/ea	0,00 lei

High Resolution Gold on Carbon Specimen 2, Mount R (Unit: each)617-2R	High Resolution Gold on Carbon Specimen 2, Mount R (Unit: each)617-2R 2.085,60 lei/ea	0,00 lei	Quantity	2.085,60 lei/ea	0,00 lei

Ultra High Resolution Gold on Carbon Specimen 3, Unmounted (Unit: each)617-3	Ultra High Resolution Gold on Carbon Specimen 3, Unmounted (Unit: each)617-3 2.006,40 lei/ea	0,00 lei	Quantity	2.006,40 lei/ea	0,00 lei

Ultra High Resolution Gold on Carbon Specimen 3, Mount A (Unit: each)617-3A	Ultra High Resolution Gold on Carbon Specimen 3, Mount A (Unit: each)617-3A 2.059,20 lei/ea	0,00 lei	Quantity	2.059,20 lei/ea	0,00 lei

Ultra High Resolution Gold on Carbon Specimen 3, Mount B (Unit: each)617-3B	Ultra High Resolution Gold on Carbon Specimen 3, Mount B (Unit: each)617-3B 2.059,20 lei/ea	0,00 lei	Quantity	2.059,20 lei/ea	0,00 lei

Ultra High Resolution Gold on Carbon Specimen 3, Mount C (Unit: each)617-3C	Ultra High Resolution Gold on Carbon Specimen 3, Mount C (Unit: each)617-3C 2.059,20 lei/ea	0,00 lei	Quantity	2.059,20 lei/ea	0,00 lei

Ultra High Resolution Gold on Carbon Specimen 3, Mount D (Unit: each)617-3D	Ultra High Resolution Gold on Carbon Specimen 3, Mount D (Unit: each)617-3D 2.059,20 lei/ea	0,00 lei	Quantity	2.059,20 lei/ea	0,00 lei

Ultra High Resolution Gold on Carbon Specimen 3, Mount E (Unit: each)617-3E	Ultra High Resolution Gold on Carbon Specimen 3, Mount E (Unit: each)617-3E 2.059,20 lei/ea	0,00 lei	Quantity	2.059,20 lei/ea	0,00 lei

Ultra High Resolution Gold on Carbon Specimen 3, Mount F (Unit: each)617-3F	Ultra High Resolution Gold on Carbon Specimen 3, Mount F (Unit: each)617-3F 2.059,20 lei/ea	0,00 lei	Quantity	2.059,20 lei/ea	0,00 lei

Ultra High Resolution Gold on Carbon Specimen 3, customer to supply the mount. PLEASE ASK FOR THE OFFER (Unit: each)617-3G	Ultra High Resolution Gold on Carbon Specimen 3, customer to supply the mount. PLEASE ASK FOR THE OFFER (Unit: each)617-3G 0,00 lei/ea	0,00 lei	Quantity Sold out	0,00 lei/ea	0,00 lei

Ultra High Resolution Gold on Carbon Specimen 3, Mount K (Unit: each)617-3K	Ultra High Resolution Gold on Carbon Specimen 3, Mount K (Unit: each)617-3K 2.059,20 lei/ea	0,00 lei	Quantity	2.059,20 lei/ea	0,00 lei

Ultra High Resolution Gold on Carbon Specimen 3, Mount L (Unit: each)617-3L	Ultra High Resolution Gold on Carbon Specimen 3, Mount L (Unit: each)617-3L 2.059,20 lei/ea	0,00 lei	Quantity	2.059,20 lei/ea	0,00 lei

Ultra High Resolution Gold on Carbon Specimen 3, Mount M (Unit: each)617-3M	Ultra High Resolution Gold on Carbon Specimen 3, Mount M (Unit: each)617-3M 2.059,20 lei/ea	0,00 lei	Quantity	2.059,20 lei/ea	0,00 lei

Ultra High Resolution Gold on Carbon Specimen 3, Mount O (Unit: each)617-3O	Ultra High Resolution Gold on Carbon Specimen 3, Mount O (Unit: each)617-3O 2.059,20 lei/ea	0,00 lei	Quantity	2.059,20 lei/ea	0,00 lei

Ultra High Resolution Gold on Carbon Specimen 3, Mount P (Unit: each)617-3P	Ultra High Resolution Gold on Carbon Specimen 3, Mount P (Unit: each)617-3P 2.059,20 lei/ea	0,00 lei	Quantity	2.059,20 lei/ea	0,00 lei

Ultra High Resolution Gold on Carbon Specimen 3, Mount Q (Unit: each)617-3Q	Ultra High Resolution Gold on Carbon Specimen 3, Mount Q (Unit: each)617-3Q 2.059,20 lei/ea	0,00 lei	Quantity	2.059,20 lei/ea	0,00 lei

Ultra High Resolution Gold on Carbon Specimen 3, Mount R (Unit: each)617-3R	Ultra High Resolution Gold on Carbon Specimen 3, Mount R (Unit: each)617-3R 2.059,20 lei/ea	0,00 lei	Quantity	2.059,20 lei/ea	0,00 lei

Low Voltage Resolution Gold on Carbon Specimen 4, Unmounted (Unit: each)617-4	Low Voltage Resolution Gold on Carbon Specimen 4, Unmounted (Unit: each)617-4 939,90 lei/ea	0,00 lei	Quantity	939,90 lei/ea	0,00 lei

Low Voltage Resolution Gold on Carbon Specimen 4, Mount A (Unit: each)617-4A	Low Voltage Resolution Gold on Carbon Specimen 4, Mount A (Unit: each)617-4A 992,70 lei/ea	0,00 lei	Quantity	992,70 lei/ea	0,00 lei

Low Voltage Resolution Gold on Carbon Specimen 4, Mount B (Unit: each)617-4B	Low Voltage Resolution Gold on Carbon Specimen 4, Mount B (Unit: each)617-4B 992,70 lei/ea	0,00 lei	Quantity	992,70 lei/ea	0,00 lei

Low Voltage Resolution Gold on Carbon Specimen 4, Mount C (Unit: each)617-4C	Low Voltage Resolution Gold on Carbon Specimen 4, Mount C (Unit: each)617-4C 992,70 lei/ea	0,00 lei	Quantity	992,70 lei/ea	0,00 lei

Low Voltage Resolution Gold on Carbon Specimen 4, Mount D (Unit: each)617-4D	Low Voltage Resolution Gold on Carbon Specimen 4, Mount D (Unit: each)617-4D 992,70 lei/ea	0,00 lei	Quantity	992,70 lei/ea	0,00 lei

Low Voltage Resolution Gold on Carbon Specimen 4, Mount E (Unit: each)617-4E	Low Voltage Resolution Gold on Carbon Specimen 4, Mount E (Unit: each)617-4E 992,70 lei/ea	0,00 lei	Quantity	992,70 lei/ea	0,00 lei

Low Voltage Resolution Gold on Carbon Specimen 4, Mount F (Unit: each)617-4F	Low Voltage Resolution Gold on Carbon Specimen 4, Mount F (Unit: each)617-4F 992,70 lei/ea	0,00 lei	Quantity	992,70 lei/ea	0,00 lei

Low Voltage Resolution Gold on Carbon Specimen 4, customer to supply the mount. PLEASE ASK FOR THE OFFER (Unit: each)617-4G	Low Voltage Resolution Gold on Carbon Specimen 4, customer to supply the mount. PLEASE ASK FOR THE OFFER (Unit: each)617-4G 0,00 lei/ea	0,00 lei	Quantity Sold out	0,00 lei/ea	0,00 lei

Low Voltage Resolution Gold on Carbon Specimen 4, Mount K (Unit: each)617-4K	Low Voltage Resolution Gold on Carbon Specimen 4, Mount K (Unit: each)617-4K 992,70 lei/ea	0,00 lei	Quantity	992,70 lei/ea	0,00 lei

Low Voltage Resolution Gold on Carbon Specimen 4, Mount L (Unit: each)617-4L	Low Voltage Resolution Gold on Carbon Specimen 4, Mount L (Unit: each)617-4L 992,70 lei/ea	0,00 lei	Quantity	992,70 lei/ea	0,00 lei

Low Voltage Resolution Gold on Carbon Specimen 4, Mount M (Unit: each)617-4M	Low Voltage Resolution Gold on Carbon Specimen 4, Mount M (Unit: each)617-4M 992,70 lei/ea	0,00 lei	Quantity	992,70 lei/ea	0,00 lei

Low Voltage Resolution Gold on Carbon Specimen 4, Mount O (Unit: each)617-4O	Low Voltage Resolution Gold on Carbon Specimen 4, Mount O (Unit: each)617-4O 992,70 lei/ea	0,00 lei	Quantity	992,70 lei/ea	0,00 lei

Low Voltage Resolution Gold on Carbon Specimen 4, Mount P (Unit: each)617-4P	Low Voltage Resolution Gold on Carbon Specimen 4, Mount P (Unit: each)617-4P 992,70 lei/ea	0,00 lei	Quantity	992,70 lei/ea	0,00 lei

Low Voltage Resolution Gold on Carbon Specimen 4, Mount Q (Unit: each)617-4Q	Low Voltage Resolution Gold on Carbon Specimen 4, Mount Q (Unit: each)617-4Q 992,70 lei/ea	0,00 lei	Quantity	992,70 lei/ea	0,00 lei

Low Voltage Resolution Gold on Carbon Specimen 4, Mount R (Unit: each)617-4R	Low Voltage Resolution Gold on Carbon Specimen 4, Mount R (Unit: each)617-4R 992,70 lei/ea	0,00 lei	Quantity	992,70 lei/ea	0,00 lei

Medium Resolution Gold on Carbon Specimen 5, Unmounted (Unit: each)623	Medium Resolution Gold on Carbon Specimen 5, Unmounted (Unit: each)623 1.119,40 lei/ea	0,00 lei	Quantity	1.119,40 lei/ea	0,00 lei

Medium Resolution Gold on Carbon Specimen 5, Mount A (Unit: each)623-A	Medium Resolution Gold on Carbon Specimen 5, Mount A (Unit: each)623-A 1.135,20 lei/ea	0,00 lei	Quantity	1.135,20 lei/ea	0,00 lei

Medium Resolution Gold on Carbon Specimen 5, Mount B (Unit: each)623-B	Medium Resolution Gold on Carbon Specimen 5, Mount B (Unit: each)623-B 1.135,20 lei/ea	0,00 lei	Quantity	1.135,20 lei/ea	0,00 lei

Medium Resolution Gold on Carbon Specimen 5, Mount C (Unit: each)623-C	Medium Resolution Gold on Carbon Specimen 5, Mount C (Unit: each)623-C 1.135,20 lei/ea	0,00 lei	Quantity	1.135,20 lei/ea	0,00 lei

Medium Resolution Gold on Carbon Specimen 5, Mount D (Unit: each)623-D	Medium Resolution Gold on Carbon Specimen 5, Mount D (Unit: each)623-D 1.135,20 lei/ea	0,00 lei	Quantity	1.135,20 lei/ea	0,00 lei

Medium Resolution Gold on Carbon Specimen 5, Mount E (Unit: each)623-E	Medium Resolution Gold on Carbon Specimen 5, Mount E (Unit: each)623-E 1.135,20 lei/ea	0,00 lei	Quantity	1.135,20 lei/ea	0,00 lei

Medium Resolution Gold on Carbon Specimen 5, Mount F (Unit: each)623-F	Medium Resolution Gold on Carbon Specimen 5, Mount F (Unit: each)623-F 1.135,20 lei/ea	0,00 lei	Quantity	1.135,20 lei/ea	0,00 lei

Medium Resolution Gold on Carbon Specimen 5, customer to supply the mount. PLEASE ASK FOR THE OFFER (Unit: each)623-G	Medium Resolution Gold on Carbon Specimen 5, customer to supply the mount. PLEASE ASK FOR THE OFFER (Unit: each)623-G 0,00 lei/ea	0,00 lei	Quantity Sold out	0,00 lei/ea	0,00 lei

Medium Resolution Gold on Carbon Specimen 5, Mount K (Unit: each)623-K	Medium Resolution Gold on Carbon Specimen 5, Mount K (Unit: each)623-K 1.135,20 lei/ea	0,00 lei	Quantity	1.135,20 lei/ea	0,00 lei

Medium Resolution Gold on Carbon Specimen 5, Mount L (Unit: each)623-L	Medium Resolution Gold on Carbon Specimen 5, Mount L (Unit: each)623-L 1.135,20 lei/ea	0,00 lei	Quantity	1.135,20 lei/ea	0,00 lei

Medium Resolution Gold on Carbon Specimen 5, Mount M (Unit: each)623-M	Medium Resolution Gold on Carbon Specimen 5, Mount M (Unit: each)623-M 1.135,20 lei/ea	0,00 lei	Quantity	1.135,20 lei/ea	0,00 lei

Medium Resolution Gold on Carbon Specimen 5, Mount O (Unit: each)623-O	Medium Resolution Gold on Carbon Specimen 5, Mount O (Unit: each)623-O 1.135,20 lei/ea	0,00 lei	Quantity	1.135,20 lei/ea	0,00 lei

Medium Resolution Gold on Carbon Specimen 5, Mount P (Unit: each)623-P	Medium Resolution Gold on Carbon Specimen 5, Mount P (Unit: each)623-P 1.135,20 lei/ea	0,00 lei	Quantity	1.135,20 lei/ea	0,00 lei

Medium Resolution Gold on Carbon Specimen 5, Mount Q (Unit: each)623-Q	Medium Resolution Gold on Carbon Specimen 5, Mount Q (Unit: each)623-Q 1.135,20 lei/ea	0,00 lei	Quantity	1.135,20 lei/ea	0,00 lei

Medium Resolution Gold on Carbon Specimen 5, Mount R (Unit: each)623-R	Medium Resolution Gold on Carbon Specimen 5, Mount R (Unit: each)623-R 1.135,20 lei/ea	0,00 lei	Quantity	1.135,20 lei/ea	0,00 lei

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Gold on Carbon High Resolution Test Specimens