Back Scattered Electron Test Specimens

Marsoni

M251S

$3274.13

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

Back Scattered Electron Test SpecimensBSE Atomic Reference Specimen Electron micrograph of the nickel copper backscattered electron reference specimen. BSE image at low magnification. The contrast difference between the two wires is visible due to the atomic number difference between the nickel copper. An electron microscope, when equipped with a backscattered electron detector, has the capability to produce images in which the contrast is controlled by differences in atomic number (Z)

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My dog is an extremely aggressive chewer so finding a toy that can survive more than a few days is never easy. This bone has done well for the last couple months. It’s a little bit larger and heavier than I was expecting but isn’t a problem for my German shepherd. It smells fine; at least it isn’t stinky. We play fetch and tug with this toy and there is very little wear and tear and only shows teeth marks. She will sit and chew on the toy for quite a while and seems content while chewing on it. Great tog

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Reviewed in the United States on August 29, 2024

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Kevin Doyle

Waukegan, US

★★★★★ 2

My puppy shows little interest in this

Size: Small, Style: Beef

I have a 10-week-old puppy and he doesn't seem to show much interest in this toy at all.

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Reviewed in the United States on May 23, 2026

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fordy16

Lowell, US

★★★★★ 3

Nice and chewy

Size: Jumbo, Style: Peanut Butter

Thought the dog would like it but she really wasn’t interested

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Reviewed in the United States on September 23, 2025

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Lowell, US

★★★★★ 4

Helps With Teeth Cleaning

Size: Small, Style: Beef

Our dog loves chewing on this toy multiple times a day. I believe it helps with teeth cleaning. As we do not brush or add additives to water or food for teeth cleaning. Seems that vet is not suggesting to have teeth cleaned every visit anymore. The rubber is very durable. Last about 6 to 7 months before we start to see deterioration and have to replace.

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Reviewed in the United States on January 31, 2025

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Amazon Customer

Omaha, US

★★★★★ 5

My dog's favorite rubber toy

Size: Small, Style: Beef

One of my dog's favorite ever toys!! She is obsessed with everything playology but she never gets tired of the squeaky bones and the nubby bones. My only word of caution is to know your dog and if they're a big chewer be careful they dont eat pieces. She'll chew off chunks and spit them out.

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Reviewed in the United States on December 8, 2025