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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The sponge has worked good so far at blending my makeup. It’s pretty soft, especially after dampening it. The only complaints are that my foundation left stains on the sponge even though I have washed it, and pink coloring was washing of the sponge after washing it the first time which was a little concerning.

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Reviewed in the United States on April 16, 2026

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AKH

Dallas, US

★★★★★ 5

Great for liquid foundation

These are great quality and value! I saw them on a TikTok and thought the price made them worth trying. They apply product well and evenly and they last a decent amount of time as well.

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Reviewed in the United States on April 19, 2026

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Sara Misthal

Pawtucket, US

★★★★★ 5

Work well

Love the price and love the product. They work well and help apply my foundation and sunscreen.

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Reviewed in the United States on May 3, 2026

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Yolanda

Lexington, US

★★★★★ 5

Great for sensitive skin and people who sweat in the face.

I absolutely love this product My daughter introduced me to it. My skin is very dry however, I sweat so much in my sinus area and my skin is very sensitive. Most products are too heavy when I put them on and they make me sweat more or I feel like I need to get a papertowel etc and wipe it off. None of that with this. It's light, it moisturizes my dry areas and it does not leave a greasy or heavy feeling. It dosent make me sweat at all. Best of all it only takes a little. I use about a dime size and that works great. I only need to use once a day. I recommend this product.

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Reviewed in the United States on June 6, 2024

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Eleanor McGuirk

Belleville, US

★★★★★ 5

Great for oily, acne prone and sensitive skin.. thank god!!!

I have oily, acne prone, sensitive skin. So boy oh boy is it difficult to find a moisturizer or really any face product in general that works and is affordable. This is light yet deeply hydrating, does not make me greasy, make my skin sting or break me out. In fact my skin feels less textural and more hydrated looking. I wish it was a bigger bottle but I’m surprised as to how little I need to use since it spreads so easily. (Only need a dime sized or a bit smaller) Great for under eye too so no need for eye cream. Will order more!

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Reviewed in the United States on December 2, 2020