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目的为客观反映实验室的检测能力和检测技术水平,保证实验室检验结果的准确性和可比性,及时发现和纠正自身存在的问题,达到实验室检测工作持续改进的目的。方法依据国家标准GB/T 4789.6—2003、GB/T 4789.11—2003、GB/T 4789.14—2003、GB/T 4789.9—2008、GB/T 4789.36—2008、GB 4789.2—2010、GB 4789.3—2010、GB 4789.4—2010、GB 4789.10—2010、GB 4789.15—2010、GB 4789.30—2010、GB 4789.40—2010、GB 4789.7—2013和能力验证说明书进行样品处理和检验。结果 2014年本实验室共参加14次能力验证活动,能力验证满意率为92.86%(13/14),其中定性检测项目满意率为100.0%(8/8),定量检测项目满意率为83.33%(5/6)。结论本实验室2014年能力验证中定性检测项目取得满意结果,定量检测项目能力验证结果虽然能够满足食品资质认证的要求,但有待进一步提高。
The objective is to objectively reflect the testing ability of the laboratory and the technical level of the testing technology so as to ensure the accuracy and comparability of the laboratory testing results, discover and correct the existing problems in time, and achieve the purpose of continuous improvement in laboratory testing. Methods According to the national standard GB / T 4789.6-2003, GB / T 4789.11-2003, GB / T 4789.14-2003, GB / T 4789.9-2008, GB / T 4789.36-2008, GB 4789.2-2010, GB 4789.3-2010, GB 4789.3-2010, GB 4789.4-2010, GB 4789.10-2010, GB 4789.15-2010, GB 4789.30-2010, GB 4789.40-2010, GB 4789.7-2013 and proficiency testing instructions for sample processing and testing. Results In 2014, a total of 14 proficiency testing activities were conducted in this laboratory. The satisfactory rate of proficiency testing was 92.86% (13/14). The satisfaction rate of qualitative test items was 100.0% (8/8) and the satisfaction rate of quantitative test items was 83.33% (5/6). Conclusions The qualitative test items in our laboratory 2014 proficiency testing have achieved satisfactory results. Although the proficiency testing results of quantitative test items can meet the requirements of food quality certification, they need to be further improved.