X
Search Filters
Format Format
Subjects Subjects
Subjects Subjects
X
Sort by Item Count (A-Z)
Filter by Count
chromotropic acid (135) 135
chemistry, analytical (74) 74
chromotropic-acid (66) 66
formaldehyde (55) 55
spectrophotometry (46) 46
spectrophotometric determination (27) 27
chemistry (24) 24
chemistry, multidisciplinary (24) 24
boron (22) 22
spectroscopy (20) 20
performance liquid-chromatography (16) 16
water (16) 16
extraction (15) 15
analysis (14) 14
hplc (13) 13
humans (13) 13
index medicus (12) 12
formaldehyde - analysis (11) 11
preconcentration (11) 11
air (10) 10
aldehydes (10) 10
environmental sciences (10) 10
fluorescence (10) 10
iron (10) 10
sulfonic acids (10) 10
定量 (10) 10
chromatography (9) 9
fluorometric-determination (9) 9
methanol (9) 9
trace amounts (9) 9
analytical chemistry (8) 8
atomic-absorption-spectrometry (8) 8
colorimetry (8) 8
complexation (8) 8
complexes (8) 8
copper (8) 8
dyes (8) 8
naphthalenesulfonates (8) 8
spectrofluorometric determination (8) 8
system (8) 8
allergy (7) 7
fluorometry (7) 7
formaldehyde determination (7) 7
liquid-chromatography (7) 7
methods (7) 7
organic acids (7) 7
organic sulfur compounds (7) 7
plant sciences (7) 7
samples (7) 7
separation (7) 7
acetylacetone (6) 6
biochemistry & molecular biology (6) 6
boron determination (6) 6
dermatology (6) 6
engineering, chemical (6) 6
flow injection analysis (6) 6
flow-injection (6) 6
flow-injection analysis (6) 6
hydrogen-ion concentration (6) 6
hydroxy compounds (6) 6
indicators and reagents (6) 6
naphthalene (6) 6
organic compounds (6) 6
polymer science (6) 6
removal (6) 6
sensors (6) 6
solid-phase extraction (6) 6
usage (6) 6
acid (5) 5
assay (5) 5
boric acid (5) 5
boric-acid (5) 5
chemical analysis (5) 5
chemical properties (5) 5
chromotropic acid azo dyes (5) 5
chromotropic acid method (5) 5
cosmetics (5) 5
determination (5) 5
drinking-water (5) 5
flow injection (5) 5
formaldehyde - adverse effects (5) 5
kinetics (5) 5
nachweisgrenze (5) 5
nickel (5) 5
organic nitrogen compounds (5) 5
potassium permanganate (5) 5
reagent (5) 5
reagents (5) 5
speciation (5) 5
spectra (5) 5
stability (5) 5
universities and colleges (5) 5
waters (5) 5
ホウ素 (5) 5
500200 - environment, atmospheric- chemicals monitoring & transport- (4) 4
acetaldehyde (4) 4
adsorption (4) 4
alcoholic beverages (4) 4
alloys (4) 4
aluminium (4) 4
more...
Language Language
Language Language
X
Sort by Item Count (A-Z)
Filter by Count
English (208) 208
Japanese (28) 28
Chinese (5) 5
Portuguese (4) 4
German (3) 3
Spanish (2) 2
Indonesian (1) 1
more...
Publication Date Publication Date
Click on a bar to filter by decade
Slide to change publication date range


Study - Detection of formaldehyde in textiles by chromotropic acid method, 11/2004
.... There are various methods to detect the presence of formaldehyde in clothing. AIM: To detect the presence of formaldehyde in various types of textiles by the chromotropic acid method and to assess the effect of washing on the formaldehyde content. METHODS... 
Dermatology | Formaldehyde, Chromotropic acid, Textiles, Contact dermatitis. dv04119
Journal
Substance abuse treatment, prevention and policy, ISSN 1747-597X, 2019, Volume 14, Issue 1, pp. 56 - 7
Background Methanol is highly toxic to human beings and naturally exists in some beverages. Having access to an easy and cheap method for its determination is... 
Modified chromotropic acid method | Alcoholic beverages | SUBSTANCE ABUSE | EPIDEMIOLOGY | CONSUMPTION | Methanol | UNRECORDED ALCOHOL | Production increases | Statistical analysis | Ethanol | Fines & penalties | Legal medicine | Quality control | Poisoning | Black markets | Beverages | Chromatography
Journal Article
CURRENT ANALYTICAL CHEMISTRY, ISSN 1573-4110, 2017, Volume 13, Issue 6, pp. 464 - 473
Background: A new modified electrode based on the poly(chromotropic acid) (4,5-dihy-droxynaphthalene2,7-disulfonic acid... 
MOLECULARLY IMPRINTED POLYMER | CHEMISTRY, ANALYTICAL | voltammetry | FILM | SENSITIVITY | SENSOR | RECEPTOR | determination | food analysis | water analysis | Bisphenol A | BPA | chromotropic acid | NANOTUBES | DEGRADATION
Journal Article
Iranian journal of pharmaceutical research : IJPR, ISSN 1735-0328, 2019, Volume 18, Issue 2, pp. 696 - 703
.... This work reports a simple and efficient qualitative technique for semi determination of methanol content in herbal distillates by a new modified chromotropic acid method... 
Chronic methanol poisoning | Herbal distillates | EMISSIONS | ETHANOL | PHARMACOLOGY & PHARMACY | Chromotropic Acid | FORMALDEHYDE | Methanol | Original
Journal Article
Journal Article
RSC advances, ISSN 2046-2069, 2014, Volume 4, Issue 43, pp. 22716 - 22732
...s. The investigation of dopamine, caffeic acid, tiron and other molecules from the catechol family, and various molecules from salicylic acid, gallic acid, and chromotropic acid families revealed... 
GALLIC ACID | ONE-STEP SYNTHESIS | SALICYLIC-ACID | CAFFEIC ACID | CARBON NANOTUBE COMPOSITES | ALIZARIN-RED-S | TITANIUM-DIOXIDE | CHROMOTROPIC-ACID | ORGANIC-ACIDS | AQUEOUS SUSPENSIONS | CHEMISTRY, MULTIDISCIPLINARY
Journal Article
Bunseki Kagaku, ISSN 0525-1931, 2011, Volume 60, Issue 10, pp. 785 - 789
A method for the on-line absorptiometric determination of trace amounts of boron in natural water samples was improved using a commercially available 1-cm anion-exchange column presorbed with chromotropic acid... 
Boric acid | On-line preconcentration/separation | Long-distance transportation | Chromotropic acid | Iriomote island
Journal Article
Polymer Testing, ISSN 0142-9418, 10/2011, Volume 30, Issue 7, pp. 743 - 748
The enzyme-catalysed cleavage of ester bonds of poly(lactic-co-glycolic acid) (PLGA) has been monitored by an improved approach for the quantification of glycolic acid as indicator of copolymer hydrolysis... 
Chromotropic acid | Enzymatic degradation | Esterase | Lipase | Glycolic acid | Poly(lactic-co-glycolic acid) | BIODEGRADATION | POLYMER SCIENCE | MICROSPHERES | MECHANISM | BEHAVIOR | IN-VITRO | ALIPHATIC POLYESTERS | MATERIALS SCIENCE, CHARACTERIZATION & TESTING | Hydrolysis | Proteases | Polyols | Degradation | Enzymes | Cleavage | Esters | Colorimetry | Esterases | Lipases
Journal Article
International journal of analytical chemistry, ISSN 1687-8760, 05/2011, Volume 2011, pp. 797604 - 11
...%) gave a positive purpald reaction. In the second step, formaldehyde in positive samples is confirmed by quantitative spectrophotometry of the chromotropic acid-formaldehyde derivative combined with Multivariate Curve Resolution... 
CHEMISTRY, ANALYTICAL
Journal Article
Journal of Saudi Chemical Society, ISSN 1319-6103, 09/2016, Volume 20, Issue S1, pp. S352 - S356
.... The method is based on quantification of classical chromotropic acid – formaldehyde violet spots developed on TLC... 
Micro-analysis | Chromotropic acid | Densitometry | Spot test analysis | Formaldehyde | Quantification of spot test | ACID | DRINKING-WATER | BY-PRODUCTS | CHEMISTRY, MULTIDISCIPLINARY | DERIVATIZATION
Journal Article
Synthetic Metals, ISSN 0379-6779, 06/2012, Volume 162, Issue 9-10, pp. 868 - 872
Journal Article
Bunseki Kagaku, ISSN 0525-1931, 2012, Volume 61, Issue 3, pp. 177 - 184
B-11 NMR measurements showed that boric acid reacts with the polyol compounds, chromotropic acid, Tiron and 2,3-dihydroxynaphthalene-6-sulfonate, to form complexes with 1 : 1 and 1 : 2 stoichiometries... 
Complex formation, 1: 1 complex | Boric acid | 1: 2 complex | Acidic polyol | Boron analysis | boric acid | boron analysis | TRACE AMOUNTS | CHEMISTRY, ANALYTICAL | ANION-EXCHANGER | BORATE | acidic polyol | B-11 NMR | complex formation | CHROMOTROPIC-ACID | 1: 1 complex
Journal Article
Analyst (Cambridge UK), ISSN 0003-2654, 03/2016, Volume 141, Issue 7, pp. 2313 - 2318
...) prior to fluorescence spectra analysis was developed. As a result of its complexation with boric acid, the method relies on the enhancement of the fluorescence ( lambda sub(ex) = 350 nm, lambda sub(em) = 373 nm... 
Solvents | Boron | Salt effect | Fluorescence | Boric acids | Spectra | Calibration | Solidification
Journal Article
Mikrochimica acta (1966), ISSN 1436-5073, 2014, Volume 181, Issue 11-12, pp. 1267 - 1274
...) functionalized with chromotropic acid (CTA). The surface of the AgNPs was capped with chromotropic acid which warrants the NPs to remain in stable and dispersed form... 
Colorimetric assay | Chemistry | Analytical Chemistry | Microengineering | Melamine | Characterization and Evaluation of Materials | Chromotropic acid | Milk samples | Nanochemistry | Nanotechnology | Silver nanoparticles | GOLD NANOPARTICLES | CHEMISTRY, ANALYTICAL | SPECTROSCOPY | QUANTIFICATION | POWDER | MASS-SPECTROMETRY | MILK | Nanoparticles | Usage | Oxidoreductases | Hydrogen
Journal Article
Analyst (London), ISSN 0003-2654, 11/2017, Volume 142, Issue 23, pp. 4355 - 4372
The demand for autonomous sensors for unattended, continuous nutrient monitoring in water is rapidly growing with the increasing need for more frequent and... 
Journal Article