Substratek™ TEM Metallic Substrates on 300&400 Mesh TEM grids

Substratek™ TEM Metallic Substrates on 300&400 Mesh TEM grids

Marsoni

M251S

$296.84

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

Substratek™ TEM Metallic Substrates on 300&400 Mesh TEM gridsInnovative experimental nanotech TEM supports Substratek TEM Substrates are ultrathin metallic support films on standard 3mm TEM grids. These metallic films are specially manufactured with a patented process (US Patent #7348570 B2, March 25, 2008) as experimental platforms and are electron transparent to allow for imaging using a TEM. The ultrathin Substratek TEM Substrates enable electrochemical processing, crystal growth, and nano and micro

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I was really excited to receive these snack packs as someone who recently is doing keto. I was very disappointed that they have no flavor, not lightly salted or anything and were almost stale/soggy. Keto stuff is expensive and I’ve found some good nut mixes before, these just are not it and maybe sat too long?

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Reviewed in the United States on June 6, 2024

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Amazon Customer

Boise, US

★★★★★ 2

"OK" taste

I was excited to try these but was disappointed when I did. They are "OK" taste wise..no bold flavors that is for sure. They will be nice on-the-go to throw in my purse but I wouldn't buy them again - not only because they taste rather bla but also because they were a but expensive.

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Reviewed in the United States on November 29, 2024

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alessa

Lexington, US

★★★★★ 5

Great value, great product!

I use this as a home jewelry box - I don't wear a lot of jewelry, so it fits my needs perfectly. Its pretty lightweight and would be good for travels as well. The outside is leather-like and seems to be waterproof so far. I use the first layer for jewelery and second layer to store my hairclips and pins. I've had it for a few months and it seems to be great quality and durable! Definitely a good value as well because I've seen similar jewelry boxes sold at popular retail stores for over $30.

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Reviewed in the United States on January 21, 2026

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Marie

Charlottesville, US

★★★★★ 5

Lovely Slate Gray Jewelry Box

I just received this Slate Gray jewelry box. It's really quite lovely and just the right size for my granddaughter's vanity. I'm really excited about giving it to her, for her 12th Birthday, to hold her better jewelry. It's so nice I'm going to order another one for my other Granddaughter's Birthday.

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Reviewed in the United States on December 5, 2025