King; Swann; Keyes
Industrial and Engineering Chemistry, 1929 , vol. 21, p. 1229,1230
Chem. Zentralbl., 1930 , vol. 101, # I p. 1453
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Sanders; Keag; McCullough
Industrial and Engineering Chemistry, 1953 , vol. 45, p. 3,5
Na28[Al28Si68O96]*125H2O in water byproducts: CH3COOH, CH3COOK, 15 wtpercent MnO2/Na28[Al28Si68O96]*125H2O; by pptn. in presence of NaY zeolite (distd. in H2O at room temp.) by admixture of Mn(II) acetate soln. and KMnO4; filtered; dried; calcined in air for 2 h at 425 K; detd. by powder XRD;
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Nam, Ho-Seong; Wu, Nae-Lih; Lee, Kuang-Tsin; Kim, Kwang Man; Yeom, Chul Gi; Hepowit, Lovely Rose; Ko, Jang Myoun; Kim, Jong-Duk
Journal of the Electrochemical Society, 2012 , vol. 159, # 6 p. A899-A903
sodium sulfate in water Electrochem. Process; MnO2 nanotubes prepd. on Ni foil by cycling the potential for 15 min between 0.4 and 0.1 V (vs SCE, counter electrode: Pt foil)) (scan rate 500 mV/s) at room temp.; rinsed several times with water then dried at 300°C for 1 h in air;
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Pinto, Ivan; Sherigara; Bhat, K. Ishwara; Udupa
Journal of the Indian Chemical Society, 1996 , vol. 73, # 1 p. 47 - 53