论文部分内容阅读
沿用经典重铬酸钾氧化-外加热法的原理,建立了油浴加热法测定土壤样品中有机碳的方法。实验选择消解温度为180±5℃,消解时间为5±0.5min。方法用于大批量多目标区域地球化学调查样品中有机碳的分析,测试值与标准值相符。
油浴加热法测定土壤样品中有机碳
【摘 要】
：
沿用经典重铬酸钾氧化-外加热法的原理,建立了油浴加热法测定土壤样品中有机碳的方法。实验选择消解温度为180±5℃,消解时间为5±0.5min。方法用于大批量多目标区域地球化学调查样品中有机碳的分析,测试值与标准值相符。
【机 构】
：
黑龙江省地质矿产测试应用研究所
【出 处】
：
黑龙江科技信息
【发表日期】
：
2014年10期
其他文献
<正>Ministry of Commerce of PRC and China Customs emended and supplemented the prohibited commodities catalogue for the processing trade having been issued and
期刊
Global NdFeB magnetic materials industry grows at over20% every year, strongly stimulating the production ofneodymia and Nd metal. In 2005, NdFeB in global mark
期刊
1.RE Concentrate The output of RE concentrate in Baotou was 100,000 tons, and sales volume was 70,000 tons in 2003. The production and sales of RE concetrate ke
期刊
Prices of light rare earth products in Baotou rose on the full scale in July. Price of lanthana reached RMB 12,000 - 13,000/t, that of ceria RMB 12,000/t, prase
期刊
8. Ji Daiyu, General Manager of Baotou Xinyuan RareEarth Hi-Tech Materials Co. LtdControl gross to stabilize prices. Chinese rare earth is precious strategic re
期刊
Shandong Fengda Liangyu Chemicals Co. Ltd wasestablished in the industrial park of Linxi Luozhuang Districtrecently. The company focuses on the application of r
期刊
Ministry of Commerce of the People's Republic of China announced 2005's export quota of foreign-invested enterprises. Quota of RE products is listed in
期刊
<正>The third phase engineering of Baotou Yunsheng Strong Magnetic Materials Co.,Ltd started in Baotou Rare Earth Hi-Tech Zone in August.After the completion of