Porous Cu with a dispersion of nanoscale Al2O3 particles is fabricated by freeze-drying CuO-Al2O3/camphene ... The size of the large pores decreases with increasing CuO-Al2O3 content by the changing degree of powder ... Camphene slurries with CuO-Al2O3 contents of 5 and 10 vol% are unidirectionally frozen at -30oC, and
Na2CO3에서 CO2가 빠져나갈 때, 무게가 ( 41.5 )% 감소할 것이다. ... 탄소 무게 1회: (1.000-0.484)g=0.516g 2회:(1.000-0.459)g=0.541g ∴생성된 의 무게 (1,2회 평균값) = 0.529 g (2) sample B ... Sample(A) Sample(B) (2) Na2CO3와 NaHCO3 가 HCl과 반응하여 생성되는 CO2의 이론적인 무게를 계산해보고, sample A 와 sample B가 각각
From 50 to 800 μM, the H2O2 concentration was linearly proportional to the oxidation current, with a ... H2O2 sensing option. ... Due to its unique two-dimensional structures and synergistic effect among Ce2O3, Ni(OH)2 and rGO components
of M Na2Ti6O13. ... The ZnO–Na2Ti6O13 composites were synthesized by facile solution combustion method with different molar ... degradation efficiency (96%) than the other concentrations of Na2Ti6O13 and pristine ZnO.
The addition of Y2O3.to the Fe-MWCNT samples further inhibits the growth of grains. ... A comparison is made with conventionally sintered carbon steel, where graphite is used as the starting
Based on the experimental results, the dechlorination method using a SiO2-Al2O3-P2O5 (SAP) could be considered ... In this study, a SiO2-Al2O3-P2O5 (SAP) inorganic composite as a dechlorination agent was prepared by ... 솔젤법을 이용하여 탈염화물질, SiO2-Al2O3-P2O5 (SAP)을 합성하였으며 이를 이용하여 탈염화 반 응거동 반응생성물의 고형화 특성을 조사하였다.
The main peaks of the NixZnxFe2O4/MWCNTs crystals were presented. ... XRD analysis confirmed the crystalline structures of the NixZnxFe2O4/ MWCNT nanohybrids and MWCNTs. ... the detection of glucose and H2O2.
의 질량(g): {Ca ^{2+} `원자량(g/mol)} over {CaC _{2} O _{4} BULLET H _{2} O의`화학식량(g/mol)} TIMES 침전물무게(g)1번: ... Gravimetric determination of calcium as CaC₂O₄·H₂O 실험 결과보고서 Introduction 칼슘 이온을 염기성 용액에서 옥살산 이온과 반응시켜 ... ) ^{2} +(0.5519-0.5492) ^{2}} over {2}} =0.00275095% 신뢰구간: 0.5492± {(4.303)(0.002750)} over {sqrt {3}
The electrode Co-Fe2O3@NiO without annealing showed a peak current density of 1.59 mA/cm2 at 0.1 M urea ... and microwave-assisted synthesis of Fe2O3, Co-Fe2O3 and Co-Fe2O3@NiO, respectively. ... The catalytic performance of urea oxidation was measured by cyclic voltammetry on Co-Fe2O3@NiO nanoparticles
oxide (LiNi0.7Mn0.3O2). ... Residual lithium compounds (Li2CO3 and LiOH) on the surface of the cathode material and SiO2 derived ... Charge and discharge tests of the samples show that the coating can enhance the rate capability and cycle
In order to remove such pharmaceutical pollutants, a novel Er-doped Bi4O5Br2/ g-C3N5 nanocomposite was ... in 60 min under visible light irradiation, which is higher than pure g-C3N5 and Bi4O5Br2 photocatalysts ... The Er ions doped on the surface of Bi4O5Br2/ g-C3N5 nanocomposite exhibited 97% degradation of tetracycline
산성 용액을 통해 Ca ^{2+}와 C _{2} O _{4}^{2-}로 녹이고 요소를 첨가해 열분해시켜 pH를 높인다. ... 이 실험의 경우, 염기성 용액에서 Ca ^{2+}을 C _{2} O _{4}^{2-}로 침전시켜 CaC₂O₄·H₂O의 침전물을 형성하여 분석한다. ... CaC₂O₄·H₂O 침전물을 얻기 위해 Ca ^{2+}과 C _{2} O _{4}^{2-}을 산성용액에 녹이고 요소를 첨가해 점차 pH를 높이며 염기 조건을 형성하며 침전물을 얻었다
-discussion: 무게분석 실험을 통해 생성물의 질량을 구해 분석물질의 양을 계산한다. 먼저 염의 용해도는 pH에 영향을 받는다. 따라서 보통 이번 실험처럼 중성이나 알칼리성보다 산성에서 더 잘 녹는다. OH-이온을 첨가하여 pH가 증가하면, 공통 이온 효과에 의..