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성화학생(2세)의 길 - 182 - 어려움에 대한 선생님의 모습 - 1 2024.10.04해당카페글 미리보기
eight months, I did heavy labor in a concentration camp. I worked in a fertilizer factory, shoveling piles of ammonium sulfate and putting it into sacks. Each sack had to be the same weight. Then I had to put it on a conveyor belt. When...
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황산알루미늄암모늄(Aluminium Ammonium Sulfate) 수입 희망 2008.07.21해당카페글 미리보기
베이킹파우더(명반) 제조를 위한 황산알루미늄암모늄(Aluminium Ammonium Sulfate) 수입(Importing)을 희망합니다. 수출가능하신 공급업체 연락 바람. XX@XX
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Haber-Bosch process -ammonia (NH3) 2024.08.16해당카페글 미리보기
tanks containing the liquefied gas. The ammonia can also be in the form of ammonium salts, such as ammonium nitrate, NH4NO3, ammonium sulfate, (NH4)2SO4, and various ammonium phosphates. Urea, (H2N)2C=O, is the most commonly used source...
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표준물질제원 (희토 불순물 / 비 희토 불순물 허용 한계치) - Cerium Ammonium Sulfate (CAS) 2012.03.19해당카페글 미리보기
CeO2/TREO (% min.) 99.99 99.9 99 TREO (% min.) 25 25 25 Ce4+/Total Ce (% min.) 97 96 96 Rare Earth Impurities % max. % max. % max. La2O3/TREO Pr6O11/TREO Nd2O3/TREO Sm2O3/TREO Y2O3/TREO 0.005 0.005 0.001 0.001 0.001 0.03 0.01 0.05 0.01...
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참父母經 / Chambumo Gyeong - 350 - 6·25전쟁과 흥남감옥 해방 2024.05.22해당카페글 미리보기
my clothes—my work clothes, shirts and underwear—were made of cotton. Since my workplace at the prison was an ammonium sulfate fertilizer factory, the cotton deteriorated when it came in contact with the sulfuric acid and ammonia from...
