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afei123177金蟲 (小有名氣)
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[求助]
"intermediate grindings” 用什么儀器怎么操作 已有1人參與
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文獻(xiàn)中 "calcined at 5401C for 48 h with several intermediate grindings” 的 "intermediate grindings” 具體怎么操作啊?用到什么設(shè)備?謝謝! [ Last edited by sddtc888 on 2014-3-11 at 18:38 ] |

金蟲 (小有名氣)

金蟲 (小有名氣)
金蟲 (小有名氣)
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"The polycrystalline samples of LiM3P2O7(M¼Na, K) were synthesized by solid-state reactions of Li2CO3,M2CO3 (M¼Na, K) and NH4H2PO4 with stoichiometric amounts (Li:M ¼1:3:2). Themixtures were initially ground well in an agate mortar, and then heated gradually to 4501C at a rate of 11C/min in order to avoid ejection of materials due to vigorous evolution of CO2and NH3. Subsequently, the powdered mixtures were ground and then calcined at 5401C for 48 h with several intermediate grindings"是一個制備工藝,應(yīng)該是馬弗爐里燒48小時,這個是中間研磨還是加物質(zhì)不清楚。我感覺是不是燒幾個小時拿出來研磨,再燒?不知道對不對 ![]() ![]() |

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