The Comparison of HNO3-HClO4 Digestion with Aqua-Regia Reffuxing Procedure in Measuring by AAS
Lu Kaixuan
ACTA AGRICULTURAE BOREALI-SINICA . 1988, (3): 116 -120 .  DOI: 10.3321/j.issn:1000-7091.1988.03.019