13 DB

59542024農(nóng)村生活污水處理設施水污染物在線監(jiān)測技術規(guī)范

5954GB/T

2020

I

5954

件必

Cr3-N

Cr3-N

Cr3-N

Cr3-N

DB13/

3.2]

1序號監(jiān)測項目示值誤差重復性24h低濃度漂移24h高濃度漂移響應時間實際水樣比對監(jiān)測方法1化學需氧量20%±≤量程的±量程的±≤化學需氧量≤±5mg/L紫外吸收光譜法50%±化學需氧量＞±80%±2氨氮20%±≤量程的±量程的±≤氨氮≤2mg/L±0.2mg/L離子選擇電極法50%±氨氮＞2mg/L±80%±3pH±±±≤±玻璃電極法4水溫±℃≤————≤——熱敏電阻法5流量±≤————————超聲波明渠污水流量計法超聲波管道流量計法電磁管道流量計法a：測試溶液濃度相對于工作量程上限值的百分比。b：用濃度為的有證標準樣品替代實際水樣。c：用濃度為1.5mg/L的有證標準樣品替代實際水樣。

5954

2

5954

HJ/T

?，F(xiàn)場

477

212

3

5954

4

5954

、準確、有效

5

5954

6

5954

20%R

PP

100%

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

xi

xi

x1n1i1Re

P

值約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水樣，按公式（A.119

5954C

x

B

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

B2mg/LC

BB

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

A

B

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

B

SS

i

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

x

5min，每）計DD

xi

x0

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

i0

10

5954

pH=6.865pH=4.008

1minC

x

B

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

B

TT

Tc

Ts·················