Home / Standards / GB/T 11848.12-1999 GB/T 11848.12-1999 Abolished Determination of boron in uranium ore concentrate by spectrophotometry 铀矿石浓缩物中硼的测定 分光光度法 Standard Type GBT ICS 27.120.30 CCS F46 Status 废止 Issue Date 1999-05-19 Implementation 1999-12-01 Responsible Dept 国家标准委 Drafting Unit N/A