SKU: 51774733248

MŽtallurgie Extractive du Cobalt - 3 ed.

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Description

MŽtallurgie Extractive du Cobalt - 3 ed.Actuellement, prt de 20%% de la production mondiale de cobalt, soient prt de 10 000 tonnes et 60%% de la production mondiale de super alliages base de cobalt sont rcuprs par les USA qui considrent ce mtal comme hautement stratgique au point que sa carence pourrait affecter srieusement ses domaines conomiques, industriels et militaires ainsi que ceux de nombreux pays hautement industrialiss. On trouve ainsi dans cet ouvrage des informations sur

Actuellement, pr�t de 20%% de la production mondiale de cobalt, soient pr�t de 10 000 tonnes et 60%% de la production mondiale de super-alliages ˆ base de cobalt sont rŽcupŽrŽs par les USA qui consid�rent ce mŽtal comme hautement stratŽgique au point que sa carence pourrait affecter sŽrieusement ses domaines Žconomiques, industriels et militaires ainsi que ceux de nombreux pays hautement industrialisŽs.
On trouve ainsi dans cet ouvrage des informations sur lÕorigine, lՎlaboration du cobalt, son recyclage et son utilisation tout cela illustrŽ de pr�s de 80 flow-sheets, croquis et graphes.
Cet ouvrage est un recueil, une mine dÕinformations, dÕexpŽriences et de pratiques industrielles utiles ˆ avoir pour mieux conna”tre lÕun des mŽtaux le plus influent sur lՎchiquier stratŽgique et Žconomique mondial.

Roger RUMBU, Met. Eng., PPM.

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SKU: 51774733248

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4.8 ★★★★★
Based on 7 reviews
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Verified Purchase
Mark Campbell
New York, US
★★★★★ 4
Nice scale
Color: Black
Works as expected, nice size. Makes a big difference when adjusting espresso extraction. I haven't used the timer. One improvement for my use would be to move the power switch from the back to the front, on the side or on the control panel.
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Reviewed in the United States on May 5, 2026
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Verified Purchase
Jerry McCamman
Carnegie, US
★★★★★ 5
accurate scale
Color: Black
great product
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Reviewed in the United States on June 1, 2026
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Verified Purchase
Peter Merritt
Waukegan, US
★★★★★ 5
Best Mid Priced Scale on the Market!
Color: Black, Color: Black
Hand down the best prices scale for the price. Excellent ability to precisely dial in pour overs. I’ve been waiting a long time for a scale like this to hit this price point.
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Reviewed in the United States on May 16, 2026
A
Verified Purchase
amazon user
Waukegan, US
★★★★★ 5
Good
Color: Black
This food scale is accurate, easy to use, and very helpful for cooking and baking.
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Reviewed in the United States on May 13, 2026
A
Verified Purchase
Anthony Hope
Fort Morgan, US
★★★★★ 5
Simply delightful espresso machine
Color: A-Silver, Style: Button
I am not one to write reviews very often, and I am not a coffee snob obsessing over everything to do with the perfect espresso shot. I do have lots to say about this machine though. My previous Mr Coffee Cafe Barista machine died after many years and I wanted something that would allow me to steam my own milk instead of it being done for me. I also didn’t want to spend more than $150 either as my circumstances are not great right now… Anyway, after reading many reviews on similar machines, I settled on this beaut. I am more than happy with my purchase! The machine is small and takes up half the space my old machine did, which earns high spousal approval. The all stainless steel body looks good and durable and wipes down easily. It looks good on the countertop. It heats up fast for a thermoblock design, and while the water capacity in the tank isn’t the greatest, a full tank is enough to pull two espresso shots, steam two jugs of milk, plus allows for preheating the group head and portafilter and flushing everything afterwards. The machine pulls a pretty decent shot with pre-ground espresso and leaves a hard puck after extraction, something I always had issues with on my old machine which would always leave a soupy mess. I do weigh my dose (13 grams), use a WDT needle tool, distributor, tamper and puck screen. While I do not have control over everything, you can set the volume of water dispensed for each of the buttons on the panel. The single shot button is set at 30 milliliters. I can’t get a full 15 grams into the portafilter for a true 1:2 ratio but it’s close enough. The milk frother is fast and steams the milk in about a minute and actually produces some good results. The wand seems durable and the rubber grip is well placed so you don’t scald your fingers. This does a great job for frothy cappuccinos or silky lattes. The pump is not loud either which is good for a machine at this price point. Please follow the instructions to prep the machine when you first set it up. Run a few shots through the machine before you start using it to remove any trace particles in the water lines and pump. And plastic smell from the water tank will be removed by doing this. For a basic espresso machine, this is a good buy. It seems to be well made, and it suits my present financial circumstances. Sure, I wouldn’t mind a more mainstream brand and probably a better quality machine, but for the money, don’t hesitate in buying this machine. I got mine for $129 in early 2025 and I’ve seen this at $99 before over the holidays. It’s a simply delightful espresso machine that I’m glad to have.
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Reviewed in the United States on January 18, 2025

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