Shipboard flow injection method for the determination of manganese in sea-water using in-valve preconcentration and catalytic spectrophotometric detection

The Analyst ◽  
1991 ◽  
Vol 116 (7) ◽  
pp. 707 ◽  
Author(s):  
I. Ya. Kolotyrkina ◽  
L. K. Shpigun ◽  
Yury A. Zolotov ◽  
G. I. Tsysin
Keyword(s):  
Flow Injection ◽  
Sea Water ◽  
Spectrophotometric Detection ◽  
Injection Method

A multisyringe flow injection method for the determination of thorium in water samples using spectrophotometric detection

2011 ◽  
Vol 289 (1) ◽  
pp. 67-73 ◽  
Author(s):  
Jorge L. Guzmán-Mar ◽  
Aracely Hernández-Ramírez ◽  
Ulrico J. López-Chuken ◽  
Pedro L. López-de-Alba ◽  
Víctor Cerdà
Keyword(s):  
Flow Injection ◽  
Water Samples ◽  
Spectrophotometric Detection ◽  
Injection Method

Shipboard flow injection determination of sea water pH with spectrophotometric detection

1995 ◽  
Vol 309 (1-3) ◽  
pp. 259-270 ◽  
Author(s):  
Richard G.J. Bellerby ◽  
David R. Turner ◽  
Geoffrey E. Millward ◽  
Paul J. Worsfold
Keyword(s):  
Flow Injection ◽  
Sea Water ◽  
Spectrophotometric Detection ◽  
Water Ph

Shipboard determination of dissolved cobalt in sea-water using flow injection with catalytic spectrophotometric detection

The Analyst ◽  
1996 ◽  
Vol 121 (8) ◽  
pp. 1037 ◽  
Author(s):  
Alexander Malahoff ◽  
Irina Ya. Kolotyrkina ◽  
Lilly K. Shpigun
Keyword(s):  
Flow Injection ◽  
Sea Water ◽  
Spectrophotometric Detection

Determination of copper in sea water using a flow-injection method with chemiluminescence detection

1992 ◽  
Vol 266 (2) ◽  
pp. 345-351 ◽  
Author(s):  
Kenneth H. Coale ◽  
Kenneth S. Johnson ◽  
Paul M. Stout ◽  
Carole M. Sakamoto
Keyword(s):  
Flow Injection ◽  
Sea Water ◽  
Chemiluminescence Detection ◽  
Injection Method ◽  
Determination Of Copper

scholarly journals Sequential determination of chromium(VI) and chromium(III) by potentiometric flow-injection method.

2000 ◽  
Vol 49 (1) ◽  
pp. 59-64 ◽  
Author(s):  
Hiroki OHURA ◽  
Toshihiko IMATO ◽  
Ikuo MATSUO ◽  
Sumio YAMASAKI
Keyword(s):  
Flow Injection ◽  
Injection Method ◽  
Sequential Determination ◽  
Chromium Vi

scholarly journals Spectrophotometric flow injection procedure to indirect determination of paracetamol in pharmaceutical formulations using o-tolidine as reagent

2018 ◽  
Vol 33 (2) ◽  
pp. 47
Author(s):  
Orlando Fatibello-Filho ◽  
Heberth Juliano Vieira
Keyword(s):  
Standard Deviation ◽  
Detection Limit ◽  
Flow Injection ◽  
Pharmaceutical Formulations ◽  
Injection Method ◽  
Indirect Determination ◽  
Analytical Curve ◽  
Relative Standard ◽  
Injection Procedure

A spectrophotometric flow injection method for the determination of paracetamol in pharmaceutical formulations is proposed. The procedure was based on the oxidation of paracetamol by sodium hypochloride and the determination of the excess of this oxidant using o-tolidine dichloride as chromogenic reagent at 430 nm. The analytical curve was linear in the paracetamol concentration range from 8.50 x 10-6 to 2.51 x 10-4 mol L-1 with a detection limit of 5.0 x 10-6 mol L-1. The relative standard deviation was smaller than 1.2% for 1.20 x 10-4 mol L-1 paracetamol solution (n = 10). The results obtained for paracetamol in pharmaceutical formulations using the proposed flow injection method and those obtained using a USP Pharmacopoeia method are in agreement at the 95% confidence level.

Sign in / Sign up

Export Citation Format

Share Document