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第九章 环境监测质量保证 PowerPoint PPT Presentation


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第九章 环境监测质量保证. 第一节 质量保证的意义和内容. 第二节 实验室认可和计量认证 / 审查认可概述. 第三节 监测实验室基础. 第四节 监测数据的统计处理和结果表述. 第五节 实验室质量保证. 第六节 标准分析方法和分析方法标准化. 第七节 环境标准物质. 第八节 环境监测管理. 第九节 质量保证检查单和环境质量图. 第一节 质量保证的意义和内容. 定义: 监测全过程进行技术上、管理上的全面监督,以保证监测数据的准确可靠。

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第九章 环境监测质量保证

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9.1


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9.1


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  • 9


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9.2


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9.3


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1.

2.

3.(

4.

5.

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9.4

9.3

68.26%


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2

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3

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1.Dixon

a.

b. Q(P4209-6

c. Q(P4209-7)

d. QQn,f Q> Qn,f


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2. (Grubbs)

a.

b. T

c. T

d. TTn,f T> Tn,f


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9.8 Ta


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1054.414.494.504.514.644.754.814.955.015.395.39T9,0.05=2.110;T9,0.01=2.332;T10,0.05=2.176;

T10,0.01=2.410)

T=2.11T0.05=2.176

T=2.11T0.05=2.176 5.39


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1.: X

2. : Xs

3.: X s,CV

4.


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XS XSX


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t:90%95%n, P4249-8 n=n-1

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424


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XSn

tP4249-9)t,n

t t,n

t> t,n


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1.060mg/L101.054mg/L0.00995

X=1.054S=0.009n=10=1.060

tP4249-9 t0.05,9=2.26

t=2.11< t0.05,9=2.26

1.054mg/L1.060mg/L


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1.35ug/m3X=1.43 ug/m3s=0.26(0.05)

1.35 ug/m31.43ug/m3

t0.05,19=2.09

t=1.38< t0.05,19=2.09, 1.431.35

1.35ug/m3


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St

t,n

t t,n

t> t,n


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14.714.815.215.6

14.615.015.2

X1=15.1 S1=0.41 n1=4

X2=14.9 S2=0.31 n2=3


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t0.05,5=2.57

t=0.71< t0.05,5=2.57


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1V=IR

2

Y=a+bxa,b


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2.

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UWL

UAL

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LWL

LCL

9.7


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[]209-11

9.8


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9.9


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[]0.4mg/100mL9-13

9.10


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0

RRR

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  • x,y


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1

2

3

4


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9.15

9.16


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1.2. 3. 4. 5. 6. 7.


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2.RMISOSRMNBSBW

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3.P 4647

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9.17


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1Grubbs

2,Grubbs

322s2s


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9.18


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9.11


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