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1771-31-9

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1771-31-9 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1771-31-9 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 1,7,7 and 1 respectively; the second part has 2 digits, 3 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 1771-31:
(6*1)+(5*7)+(4*7)+(3*1)+(2*3)+(1*1)=79
79 % 10 = 9
So 1771-31-9 is a valid CAS Registry Number.

1771-31-9Upstream product

1771-31-9Downstream Products

1771-31-9Relevant articles and documents

Hydrothermal synthesis of novel flower-like BiVO4/Bi2Ti2O7 with superior photocatalytic activity toward tetracycline removal

Jinhai, Li,Han, Mengshu,Guo, Yang,Wang, Fei,Meng, Lingjun,Mao, Danjun,Ding, Shanshan,Sun, Cheng

, p. 105 - 114 (2016)

A novel flower-like BiVO4 and BiVO4/Bi2Ti2O7 heterojunction photocatalyst was firstly synthesized by surfactant-free hydrothermal route, which is very convenient, rapid, controllable and environmentally friendly. The crystal structures, chemical composition, morphology, optical and photo-catalytic property of the as-prepared samples were characterized by the techniques of XRD, XPS, SEM, HRTEM, BET, UV–vis DRS, and PL. The BiVO4/Bi2Ti2O7 heterojunction photocatalyst exhibited higher photocatalytic activity than pure BiVO4 and Bi2Ti2O7 for the degradation of tetracycline (TC) under xenon lamp irradiation. The enhanced photocatalytic activities of BiVO4/Bi2Ti2O7 composites were either related to the particular structural features or the mass ratios of BiVO4 and Bi2Ti2O7 in the composites. The possible photocatalytic mechanism of the BiVO4/Bi2Ti2O7 composite has been speculated by detecting reactive species based on free radicals trapping experiments. The preliminary removal pathways of tetracycline was proposed on the basis of the identified intermediates using LC-TOF/MS.

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