DB13-T 5954-2024 农村生活污水处理设施水污染物在线监测技术规范

13 DB

59542024农村生活污水处理设施水污染物在线监测技术规范

5954GB/T

2020

I

5954

件必

Cr3-N

Cr3-N

Cr3-N

Cr3-N

DB13/

3.2]

1序号监测项目示值误差重复性24h低浓度漂移24h高浓度漂移响应时间实际水样比对监测方法1化学需氧量20%±≤量程的±量程的±≤化学需氧量≤±5mg/L紫外吸收光谱法50%±化学需氧量＞±80%±2氨氮20%±≤量程的±量程的±≤氨氮≤2mg/L±0.2mg/L离子选择电极法50%±氨氮＞2mg/L±80%±3pH±±±≤±玻璃电极法4水温±℃≤————≤——热敏电阻法5流量±≤————————超声波明渠污水流量计法超声波管道流量计法电磁管道流量计法a：测试溶液浓度相对于工作量程上限值的百分比。b：用浓度为的有证标准样品替代实际水样。c：用浓度为1.5mg/L的有证标准样品替代实际水样。

5954

2

5954

HJ/T

。现场

477

212

3

5954

4

5954

、准确、有效

5

5954

6

5954

20%R

PP

100%

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xi

xi

x1n1i1Re

P

值约20%n2Sr

%

·································xS

x

mg/L

，每ZD24hZD

i

A

100%··········································ZDi0

mg/Lmg/LA

7

5954，每RD24hRD

i

0A

100%

···················································RD

i0

mg/Lmg/L

1min30mg/L25mg/LC

B

···························································C

B30mg/LC

B

100%····················································C

R

CC

%

···············································R

x

mg/L8

5954

A.8

xi

xi

x1

nn1i1x

2

%

·····································Sr

img/L

ZDZD

i

A

100%·············································mg/Lmg/LZDi0A

RDRD

i

0A

100%

···············································RD

i0

mg/Lmg/LA

10mg/L90%

1min，采用氨1.5mg/L水样，按公式（A.119

5954C

x

B

···························································C

B2mg/LC

BB

100%····················································C

A

B

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B

SS

i

··························································S

x

5min，每）计DD

xi

x0

·······························································

i0

10

5954

pH=6.865pH=4.008

1minC

x

B

···························································C

B

TT

Tc

Ts·················