WebMar 13, 2024 · Schafhaeul discussed GO in 1840 [14] followed the same by Brodie in 1859 [15]. In this technique, graphite was mixedwith KClO 3 and responded in raging HNO 3 at … WebApr 10, 2024 · These include the methods of Brodie (1859), Staudenmaier (1898), Hofmann (1937), Hummers (1958), modified Hummers—I (1999), modified Hummers—II (2004), modified Hummers—III (2010) and Peng (2015). The use of oxidants, ... (HNO 3, NaOH and KMnO 4) used in this study. In addition, the strong acid treatment applied here improves …
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WebNotably, in 1958, Hummers reported the most commonly used method today: graphite by oxidation treating with KMnO 4and NaNO 3in concentrated H 2 SO 4 56,57It can be … WebOct 15, 2024 · Nearly 40 years later, Staudenmaier proposed the use of H 2 SO 4 with HNO 3, but the explosive ClO 2 gas still remained as long as the prolonged reaction time. Based on Staudenmaier’s work, Hummers and Offeman developed an alternative method that has been widely used for the synthesis of graphite oxide . dell 27 curved gaming monitor s2721dgf
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WebApr 26, 2012 · Staudenmaier [48] followed Brodie's work and tried to improve its efficiency and safety. He replaced HNO 3 with a mixture of H 2 SO 4 and HNO 3 for the oxidation … WebCV M.D. Susanne Staudenmaier - HNO Praxis im Zentrum EN Susanne Staudenmaier, M.D. specialty area: otolaryngology Specialty areas: otolaryngology, preventive otolaryngolgy, pediatric otolaryngology Susanne and Rainer Staudenmaier have to kids: Carl and Greta. Schedule an appointment News/ puplications WebFeb 26, 2024 · The GO was synthesized by using a modified Staudenmaier’s approach . Accordingly, 10 g of powdered graphite was added to an acid mixture (concentrated H 2 SO 4 and HNO 3) in an ice-water bath for cooling. Subsequently, potassium chlorate powder was added carefully to the mixture in small portions while stirring and cooling. ... dell 27 curved gaming monitor s2721hgf review