Home / Standards / GB/T 5009.89-2003 GB/T 5009.89-2003 Abolished Determination of niacin in foods 食品中烟酸的测定 Standard Type GBT ICS 67.040 CCS C53 Status 废止 Issue Date 2003-08-11 Implementation 2004-01-01 Responsible Dept 国家卫生健康委 Drafting Unit 国家卫生健康委