Proj
J-GLOBAL ID:200904061090208541  Research Project code:0250004998 Update date:Dec. 17, 2001

Accuracy management based on the tap water management plan of Gunma Prefecture: Report in 1997 (color and iron)

群馬県水道水質管理計画に基づく精度管理 平成9年度実施結果(色度・鉄)
Study period:1998 - 1998
Organization (1):
Investigating Researcher (2):
Research overview:
The accuracy management was implemented for tap water testing facilities in the prefecture based on the tap water management plan of Gunma Prefecture. In fiscal 1997, 14 organizations were participated and test items were color and iron. As the result, the coefficient of variation between the organizations was 4.1% and the average recovery rate was 90% for the color. For iron, the coefficient of variation between the organizations was 13.9% and the average recovery rate was 140%. The effects of pollution from laboratory indoor environments and instruments.
Keywords (4):
水道水質検査 ,  精度管理 ,  色度 ,  鉄
Research program: Ordinary Research

Return to Previous Page