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Citation: Song Kemin, Lu Wenyi, Gao Shuying, Yan Qiuyan. Preparation of Low-Sulfur Expansible graphite[J]. Chinese Journal of Applied Chemistry, ;1995, 12(1): 94-95. shu

Preparation of Low-Sulfur Expansible graphite

1.
Hehei Education, College, Shijiazhuang 050091

Received Date: 25 May 1994
Available Online: 23 August 1994

The low sulfur expansible graphite has been prepared using hydrogen peroxide as oxidant and a mixture of oxalic acid and nitric acid as exchnger,The optimum conditions for preparation were:H₂O₂(30%):graphite=1:10(by weight),25℃, 60min,H₂SO₄(98%).The expansible graphite with expanding volume of 200mL/g contains only 0.39% sulfur.
- low sulfur expansible graphite,
- preparation,
- hydrogen peroxide,
- sulfuric acid
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