China National Standards

China vitrinite GB Standards List


  •  China "vitrinite" GB Standards List:
  • Standard  Code Standard Title Standard Class Order
    GB/T 40485-2021 Method of determining automatically the random reflectance of vitrinite in coal—Image analysis method
    煤的镜质体随机反射率自动测定 图像分析法
    China National Standards
    vitrinite

    English PDF
    GB/T 6948-2008 Method of determining microscopically the reflectance of vitrinite in coal
    煤的镜质体反射率显微镜测定方法
    China National Standards
    vitrinite

    English PDF

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