China National Standards

China Biquinoline GB Standards List

  •  China "Biquinoline" GB Standards List:
    • Standard  Code Standard Title Standard Class Order
    GB/T 223.91-2021 Iron, steel and alloy—Determination of copper—2,2’-Biquinoline spectrophotometric method
    钢铁及合金 铜含量的测定 2，2'-联喹啉分光光度法    		 China National Standards
    Biquinoline
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