Combined Test Specimen Gold/Carbon

Marsoni

M251S

$308.29

Get it in 3 business days with 1 day shipping. Friday, May 29

Combined Test Specimen Gold/CarbonA holey carbon film is shadowed with gold and graphitized carbon particles are deposited. These particles viewed over the holes may be used for assessment of factors limiting the microscope performance. The evaporated gold forms small polycrystalline islands and within these islands lattice fringes can be resolved. This specimen is also used for contamination measurement rates in the electron microscope by noting the deposition rate of carbon within

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Bought for my 8 lb chihuahua for Christmas. I have 3 little girls. The youngest loves her toys and of course she took this one over immediately. She just loved everything about it. The material on the gator is amazingly durable and I believe would hold up for a good while. The squeaker inside the toy however, broke after 2 days of my girl playing with it. It's now a noiseless toy that she does not like too much as it does not squeak because it only had the one squeaker in it. I would recommend that 2 squeakers be inserted into this gator. I would not purchase again due to the longevity of the squeaker...only lasted 2 days.

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Reviewed in the United States on January 5, 2026

Verified Purchase

Celeste A

Boise, US

★★★★★ 5

Go dog toys are the best!

Size: Large, Color: Dinos Frills (Pink)

These are the only stuffed toys I buy for my Pittie because they are so well made. Even when she unstuffs them, she plays with them forever!

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Reviewed in the United States on May 16, 2026

Verified Purchase

a customer

Cuba, US

★★★★★ 5

My dog loves these toys.

Size: Mini, Color: Gator (Pink)

Not a huge toy, nor is my dog. But we have lots of goDog toys. Practically indestructible and my dog likes to carry these in his mouth and bring them onto the foot of our bed. Brilliant colors and good squeaker but my dog is afraid of the squeak. Fair value for cost.

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Reviewed in the United States on June 10, 2026