安徽省紫芯半导体技术有限公司
Anhui UV-Chips semiconductor technology Co., Ltd

Significance of UV254 index

Issuing time:2021-05-09 13:41

Definition of v254 (deep UV LED | UV sensor | UV254 sensor | 255nm UV sensor | UVLED)

UV254 refers to the ultraviolet absorbance at 254 nm. The calculation formula is as follows:

UV254=[A/b] × D

Where: UV254 - UV value, cm-1;

B -- optical path of cuvette, cm;

A -- measured absorbance;

D -- dilution factor, caused by dilution of cleaning water without organic matter (= final water sample volume / initial water sample volume).

The composition of organic matter in water is very complex, and the molecular weight of some organic matter, such as humus, ranges from 5 × 102-105, they are

So far, the chemical formula of is still inconclusive.

UV254 can be used as a precursor of total organic carbon (TOC), dissolved organic carbon (DOC) and trihalomethanes (THMs)

(THMFP).

The successful application of UV254 abroad shows that UV254 is an effective, simple and feasible alternative parameter. It's not just about

Besides nptoc, DOC and THMFP, for other control indexes, such as chroma, NOM and DBPs (such as tox)

-The relationship can also be established for the precursors of total organic halides, Haas haloacetic acids, etc.

Significance of fromuv254 as control index of organic matter in water treatment



Anhui UV-CHIPS semiconductor technology Co., Ltd

24-hour customer service hotline
400-8601710
E-mail:uvclcd@qq.com
Add: No.80 fengshu street, Liufan village, Liufan Township, Taihu County, Anqing City, Anhui Province
QQ:2197320943
Group company
SOOBOO INT'L SHARES LIMITED

Add:Room 1205, Tai sang bank building, 130-132 des Voeux Road Central, Hong Kong

Tel:+852-28135007
Taihu ROOTIN photoelectric display Co.,Ltd

Add: No.80 fengshu street, Liufan village, Liufan Township, Taihu County, Anqing City, Anhui Province

Tel:400-860-1710
Shenzhen senboo display technology Co.,Ltd

Add: 405, Ruicheng business building, No.5 Industrial Zone, mashantou, Guangming District, Shenzhen

Tel:0755-23711710
Baiyi Co., Ltd

Add: 4th floor, No.10, Section 2, Roosevelt Road, 100, Zhongzheng District, Taipei

Tel:0920180173