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Synthesis of Monodispersed PbCO 3 Superfine Powder by Precipitation Transform Method(PDF)

《南京理工大学学报》(自然科学版)[ISSN:1005-9830/CN:32-1397/N]

Issue:
1998年01期
Page:
14-18
Research Field:
Publishing date:

Info

Title:
Synthesis of Monodispersed PbCO 3 Superfine Powder by Precipitation Transform Method
Author(s):
Xu Huarui Ye Mingquan Song Hongchang Li Fengsheng
School of Chemical Engineering, NUST, Nanjing 210094
Keywords:
precipitat ion superf ine pow der synthesis lead carbon ult rafine par ticle
PACS:
TQ031.2,TQ420.6
DOI:
-
Abstract:
T he prepar at ion o f monodispersed combust ion cataly st has now become one of the key techniques to o btain the hig h property pr opellant . In this paper PbCO3 ult raf ine part icle w as prepared by the method of precipitat ion t ransform, Pb 2+ + 2Cl- →PbCl2↓ and PbCl2+ CO2- 3 →PbCO3↓ + 2Cl- . T he part icle w as studied by means of IR, SEM, and BET specif ic surface area techniques. It show s that the purity of PbCO3 ult rafine part icle is hig h, BET specific sur face area is 27. 5m2 / g , and the part icle size is 30~50 nm. T he result s are bet ter than those by the commo n precipitat ion.

References:

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Memo

Memo:
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Last Update: 2013-03-29