the determination of microgram amounts of beryllium using

the determination of microgram amounts of beryllium using

(plate) A multivariate study of solid phase extraction of the determination of microgram amounts of beryllium using

The determination of microgram amounts of beryllium using acetyl acetone. Article. the determination of microgram amounts of beryllium using A simple and sensitized spectrophotometric method for the determination of trace amounts of beryllium has the determination of microgram amounts of beryllium using(plate) A new organic reagent for the determination of microgram the determination of microgram amounts of beryllium using(steel) Jan 01, 1955This paper deals with the use of a new organic reagent for the accurate quantitative determination of beryllium within the range 0.2 g to 1.6 g beryllium

A scheme for the colorimetric determination of microgram the determination of microgram amounts of beryllium using

A scheme for the colorimetric determination of microgram amounts of thiols B. Saville, Analyst, 1958, 83, 670 DOI 10.1039/AN9588300670 If you are not the the determination of microgram amounts of beryllium using(plate) Author C. L. Sharma, S. N. Tandon, Surinder KumarPublish Year 1971Separation and determination of microgram amounts of the determination of microgram amounts of beryllium using(steel) A simple solvent extraction and spectrophotometric method is described for the determination of microgram amounts of lanthanum(III) at pH 8.89.5 using N-phenylbenzohydroxamic acid and xylenol orange.The mixed ligand complex of lanthanum absorbs at 600 nm with a molar absorptivity of 6.5 × 10 4 mol 1 cm 1.The system obeys Beer's law between 0.10 and 4.28 (plate) Cited by 15Publish Year 1950Author F. W. Klemperer, A. P. MartinSpectrophotometric Determination of Beryllium in Aluminum the determination of microgram amounts of beryllium using(steel) Spectrophotometric Determination of Beryllium with Eriochrome Cyanine R. Bulletin of the Chemical Society of Japan 1956, 29 (8) , 845-852. https://doi/10.1246/bcsj.29.845; J.A. Adam, E. Booth, J.D.H. Strickland. The determination of microgram amounts of beryllium using

Cited by 15Publish Year 1956Author Louis. Gordon, F. H. Firsching, K. J. ShaverDetermination of Beryllium in Ores Fluorometric Method

Fluorometric Determination of Microgram Quantities of Boron the determination of microgram amounts of beryllium using Determination of Small Amounts of Beryllium in Silicates the determination of microgram amounts of beryllium using A method is described for the accurate and precise determination of the determination of microgram amounts of beryllium using(plate) Cited by 15Publish Year 1959Author Ken Sugawara, Motoharu Tanaka, Shiro OkabeSpectrophotometric determination of microgram amounts of the determination of microgram amounts of beryllium using(steel) Spectrophotometric determination of microgram amounts of copper(II) and iron (III) with solochrome azurine B.S. Spektrophotometrische Bestimmung von g-Mengen Kupfer(II) und Eisen(III) mit Solochromazurin B.S. C. L. Sharma 1, S. N. Tandon 1 & Surinder Kumar 1 Fresenius' Zeitschrift für analytische Chemie volume 255, page 368(1971)Cite this the determination of microgram amounts of beryllium using(plate) Cited by 16Publish Year 1958Author M. Perkins, G.F. ReynoldsINIS Repository Search - Search Results(steel) [en] The spectrophotometric determination of microgram amounts of beryllium by means of chromazurol S (CHAS) in presence of dimethyllaurylbenzylammonium bromide (ST) is described. The latter appreciably enhance the sensitivity of the method. Lambdasub(610nm)=1.06x10 5.The complex obeys the Lambert-Beer law in the concentration range 2-200ppb Be.

Cited by 18Publish Year 1964Author Robert G. Keenan, John L. HoltzBeryllium in sediments of Nagoya harbor estuaries the determination of microgram amounts of beryllium using

Adam JA, Booth E, Strickland JDH (1952) The determination of microgram amounts of beryllium using acetylacetons. Anal Chim Acta 6 462471. Google Scholar Amos MD, Willis JB (1966) Use of high-temperature pre-mixed flames in atomic absorption spectroscopy. Spectrochimica Acta 22 13251343. Google Scholar(plate) Cited by 19Publish Year 1992Author Isoshi Nukatsuka, Toshiyasu Ohba, Hiroyuki Ishida, Hideto Satoh, Kunio Ohzeki, Ryoei IshidaATOMIC ABSORPTION METHODS FOR THE (steel) the determination of microgram quantities of uranium in some beryllium materials Technical Report Smith, G H ; Havard, D C S>Variants of the fluorometric method for determining trace quantities of uranium in beryllium and berylliumcontaining materials were investigated.(plate) Cited by 24Publish Year 1950Author H. V. Meek, C. V. BanksDetermination of mu-amounts of beryllium in urine the determination of microgram amounts of beryllium using(steel) Methylene Blue and tannin are used to collect beryllium from urine by co-precipitation. After ignition the beryllium is brought into solution and dete

Cited by 25Publish Year 1949Author A. L. Underwood, W. F. NeumanThe polarographic determination of aluminium* The the determination of microgram amounts of beryllium using

THE DETERMINATION OF MICROGRAM AMOUNTS OF ALUMINIUM IN BERYLLIUM METAL by M. PERKINS AND G. F. REYNOLDS Ministry of Supply, Chemical Inspectorate, Woolwich (Great Britain) -. , INTRODUCTION General In part I of this series1 the polarography of aluminium was discussed in detail and an investigation of tile method of WILLARD AND DEAN2 was (plate) Cited by 2Publish Year 1963Author K SudhalathaA rapid routine method for the determination of sub the determination of microgram amounts of beryllium using(steel) A rapid routine method for the determination of submicrogram and microgram amounts of beryllium in filter paper smears is presented. Beryllium is dete(plate) Cited by 3Publish Year 1967Author S.R. Desai, Kum.K. SudhalathaDetermination of trace amounts of beryllium using the determination of microgram amounts of beryllium using(steel) Dec 01, 1998A rapid and sensitive method for the trace level determination of beryllium based on the formation of a 1:2 complex (lambda(max) 560 nm) with 1,4-dihydroxy-9,10-anthracenedione in an aqueous medium containing Triton X-100 is reported. Beer's law is followed in the range 3.60-360 ng ml(-1) of Be(II).

Cited by 3Publish Year 1986Author Kazuo ItohA sensitive method for the determination of beryllium with the determination of microgram amounts of beryllium using

The spectrophotometric determination of microgram amounts of beryllium by means of chromazurol S (CHAS) in presence of dimethyllaurylbenzylammonium bromide (ST) is described. The latter appreciably enhance the sensitivity of the method. Lambdasub(610nm)=1.06x10(plate) Cited by 4Publish Year 1984Author G. Kwapuliska, F. BuhlSpectrographic Determination of Beryllium in Biological the determination of microgram amounts of beryllium using(steel) The amount of beryllium is determined by comparing the density of Be 3321.343 to Fe 3021.073.In addition, the method of Cholak and Hubbard for the determination of beryllium the determination of microgram amounts of beryllium using(plate) Cited by 6Publish Year 1959Author T.M. FlorenceDETERMINATION OF BERYLLIUM(steel) from beryllium metal of known assey. 1.8000 grams of beryllium 1e dissolved ip 35 milliliters of 1:1 sulfuric acid and diluted to 500 milliliterB. One milliliter of this stock sulution ~i, equal to 10 milligrams of beryllium oxide. A york1ng 90lut~0o containinr, 1 micro­ ~rem of beryllium oxide per milliliter is prepared from the stock

Cited by 74Publish Year 1952Author J.A. Adam, E. Booth, J.D.H. StricklandCoprecipitation of microgram amounts of beryllium and the determination of microgram amounts of beryllium using

Methods for coprecipitating microgram amounts of beryllium and thorium using organic coprecipitants are reported. The former is coprecipitated with méthylène blue and tannie acid at pH 810, while the latter is coprecipitated with methyl violet and SPADNS at pH 8.(plate) Cited by 97Publish Year 1959Author C. W. Sill, C. P. WillisColor Reaction of Beryllium with Alkannin and Naphthazarin the determination of microgram amounts of beryllium using(steel) A direct spectrographic method for the monitoring of air for minute amounts of beryllium and beryllium compounds. Spectrochimica Acta 1952, 5 (3) , 238-250. https://doi/10.1016/0371-1951(52)80004-9; J.A. Adam, E. Booth, J.D.H. Strickland. The determination of microgram amounts of beryllium using acetyl acetone.(plate) Cited by 9Publish Year 1955Author J. H. WoodSpectrophotometric Determination of Trace Amounts of the determination of microgram amounts of beryllium using(steel) spectr a method were employed, for the trace level determination of Be2+ using thorin i.e ., (1-(2-ar sonophen ylaz o)-2-h ydr oxyl-3,6-na phthalenedisulf onic acid). The results related to the deter mination of beryllium using sug gested methods, showed that these methods can be used where the analyte determination requires the use of

Concentration method for the spectrochemical

A method for the quantitative spectrochemical determination of microgram amounts of 17 minor elements in water is given. The chelating reagents 8-quinolinol, tannic acid, and thionalide are utilized to concentrate traces (1 to 500 g.) of aluminum, cobalt, chromium, copper, iron, gallium, germanium, manganese, nickel, titanium, vanadium, bismuth, lead, molybdenum, cadmium, zinc, and beryllium.(plate) Concentration of Microgram Amounts of Rare Earths in the determination of microgram amounts of beryllium using(steel) Concentration of Microgram Amounts of Rare Earths in Thorium. Louis. Gordon, F. H. Firsching, and ; the determination of microgram amounts of beryllium using Ion Exchange Separation and Spectrographic Determination of Some Rare Earths in Beryllium, Uranium, Zirconium, and Titanium Metals, Alloys, and Oxides. the determination of microgram amounts of beryllium using (IV) and Cerium(III) Ions by Using Alginate as Cation Exchanger. Bulletin of the the determination of microgram amounts of beryllium using(plate) Determination of Traces of Beryllium in Biological the determination of microgram amounts of beryllium using(steel) May 01, 2002A Study of the Morin Method for the Determination of Beryllium in Air Samples. American Industrial Hygiene Association Journal 1959, 20 (3) , 241-245. DOI 10.1080/00028895909343704. T.M. Florence. A rapid routine method for the determination of sub-microgram and microgram amounts of beryllium in filter paper.

Determination of microgram amounts of calcium in small the determination of microgram amounts of beryllium using

1. Analyst. 1981 Feb;106(1259):227-30. Determination of microgram amounts of calcium in small biological samples by EDTA titration using Patton and Reeder's indicator.(plate) Determination of microgram amounts of calcium in small the determination of microgram amounts of beryllium using(steel) Determination of microgram amounts of calcium in small biological samples by EDTA titration using Patton and Reeder's indicator P. Prentø and A. Prentø, Analyst, 1981, 106, 227 DOI 10.1039/AN9810600227 If you are not the the determination of microgram amounts of beryllium using(plate) Determination of small amounts of beryllium by the determination of microgram amounts of beryllium using(steel) termination of beryllium in amounts of 1-10 micrograms. There is good reason to believe that the method can be extended to determine even smaller amounts of beryllium. MDDC 941 DETERMINATION OF SMALL AMOUNTS OF BERYLLIUM BY FLUORESCENCE MEASUREMENT I. INTRODUCTION White and Lowe (1) described the fluorescence of alkaline beryllium

Determination of trace amounts of scandium by atomic the determination of microgram amounts of beryllium using

Determination of trace amounts of scandium by atomic absorption spectroscopy. the determination of microgram amounts of beryllium using A sensitivity of 0.06 ppm of Sc was observed when using extraction into oxine-butanol and atomic absorption was measured with an acetylene-nitrous oxide flame. the determination of microgram amounts of beryllium using A study of some matrix effects in the determination of beryllium by atomic-absorption spectroscopy the determination of microgram amounts of beryllium using(plate) F!uorometric Determination of Subrnicrogram Quantities of the determination of microgram amounts of beryllium using(steel) Spectrofluorometric Determination of Submicrogram Amounts of Aluminum and Beryllium with 2-Hydroxy-3-naphthoic Acid.. Analytical Chemistry 1965, 37 (1) , 137-143. DOI 10.1021/ac60220a036. A. G. Collins and C. A. Pearson. Emission Spectrometric Determination of Beryllium in Oilfield Waters Using Plasma Arc..(plate) Fluorometric Determination of Microgram Quantities of Boron(steel) Fluorometric Determination of Microgram Quantities of Boron the determination of microgram amounts of beryllium using Then the method was applied for detection of the amount of boric acid in bottled drinking water and the results are in

Improved determination of microgram amounts of lead in the determination of microgram amounts of beryllium using

Microgram amounts of lead in food are determined by use of a radioactive tracer. The radioactive tracer, lead-212, is radiochemically purified from thorium nitrate and is used for chemical yield determination. Food sample dissolution involves freeze drying and wet ashing to minimise contamination and eliminate vola(plate) Semi-permanent lutetium modifier for the determination of the determination of microgram amounts of beryllium using(steel) Atomiza- determination of beryllium in real samples. The tion of 20 pg Be in the presence of various use of Lu produced a better peak greater peak amounts of both modifiers are shown in Fig. 2. Fig. 2. Influence of Mg as MgNO 3 . 2 and Lu concentrations on the determination of beryllium.(plate) Separation and Determination of Microgram Quantities of the determination of microgram amounts of beryllium using(steel) Separation and Determination of Microgram Quantities of Molybdenum in Natural Waters the determination of microgram amounts of beryllium using The Spectrophotometric Determination of Trace Amounts of Arsenate and Arsenite in Natural Waters with Special Reference to Phosphate Determination. Analytical Chemistry of Beryllium. VIII. Fluorometric Determination of Micro Quantities of Beryllium with 8 the determination of microgram amounts of beryllium using

Solid-phase extraction of trace amounts of beryllium(II the determination of microgram amounts of beryllium using

A selective and sensitive method for the determination of beryllium(II) is described, based on the combined use of solid-phase extraction on a glass-fibre filter (GFF) and solid-phase spectrophotometry using Chromazurol B (CAB).In solid-phase spectrophotometry, beryllium(II) is fixed and determined directly on a membrane filter as the Be II CAB complex formed in the (plate) Spectrographic Determination of Beryllium in Air the determination of microgram amounts of beryllium using(steel) A spectrographic method has been developed, using a sustaining a.c. arc, for the quantitative determination of beryllium in amounts as low as 0.001 microgram. The method is (plate) Spectrophotometric Determination of Tiace Amounts of the determination of microgram amounts of beryllium using(steel) Spectrophotometric Determination of Tiace Amounts of Beryllium in Natural Water Using Mean Centering of Ratio Spectra Method and Partial Least Squares Regression Mnuvouo CHnvsez, Mos.tvv,qo HossEtN ARBABZAVAR, TeHgngn

Spectrophotometric determination of trace amounts of the determination of microgram amounts of beryllium using

A simple, rapid, and sensitive spectrophotometric method for the trace level determination of beryllium based on the formation of a 1:2 complex with anthralin (1,8-dihydroxyanthrone) as a new reagent is developed. A spectrophotometric method was used to determine the acidity constant and stepwise proton dissociation of the reagent. The experimental conditions for determining beryllium the determination of microgram amounts of beryllium using(plate) Spectrophotometric determination of trace amounts of the determination of microgram amounts of beryllium using(steel) Abstract Two simple chemometrics methods for spectrophotometric determination of trace amounts of beryllium beryllium Subject Category Chemicals and Chemical Groups see more details by mean centering of ratio spectra (MCRS) and partial least squares (PLS) regression are described. Thorin at pH=10.5 was used as a chelating agent.(plate) Spektralphotometrische Methode zur Bestimmung von the determination of microgram amounts of beryllium using(steel) Sep 01, 1984The spectrophotometric Determination of Microgram Amounts of Beryllium by means of Chromazurol S (CHAS) in presence of Dimethyllaurylbenzylammonium Bromide (ST) is described. The latter appreciably enhance the sensitivity of the method. 610nm =1.0610 5. The complex obeys the Lambert-Beer law in the concentration range 2200 ppb Be.

Standard Test Method for Determination of Beryllium in the the determination of microgram amounts of beryllium using

1.1 This test method is intended for use in the determination of beryllium by sampling workplace air and surface dust. 1.2 This test method assumes that air and surface samples are collected using appropriate and applicable ASTM International standard practices for sampling of workplace air and surface dust.(plate) THE BORON-CURCUMIN COMPLEX IN THE DETERMINATION (steel) the accurate determination of microgram amounts of boron in aluminum and aluminum-uranium alloys by the methyl borate-curcumin-oxalic acid method Technical Report Crocker, I H A method was developed for the deternninntion of boron in aluminum and aluminum--uranium alloys in which the boron concentration is 30 ppm or more.(plate) THE DETERMINATION OF BROMINE IN URANIUM (steel) The development of a method for the determination of microgram quantities of bromine in chlorine trifluoride is described. The liquid sample is allowed a vaporize, and the vapor is decomposed by passing through dry sodium chloride, the liberated chlorine being absorbed in potassium hydroxide solution.

THE USE OF NEUTRON ACTIVATION ANALYSIS FOR THE the determination of microgram amounts of beryllium using

The simultaneous determination of microgram to submicrogram amounts of molybdenum, tin, tantalum, and tungsten in silicate rocks was arrived at using the Japanese reactor JRR-1. A sample and comparative standard were irradiated simultaneously with a neutron flux of about 3 x 10 11 ncm -2 sec -1 for 3 days (intermittently, 5 hr each day). After cooling for a day, the (plate) The determination of microgram amounts of (steel) SummaryThe potentiometric titration ofg amounts of orthophosphate with lead perchlorate using a lead ISE, and with silver nitrate using a silver sulfide ISE, was investigated. With 0.001N lead perchlorate the practical limit of the determination is approximately 10g (0.3mol) of phosphorus. Microgram amounts of phosphate require the application of a small polarizing (plate) USE OF DIPHENYLCARBAZONE FOR THE PHOTOMETRIC (steel) This method covers the determination of polynuclear aromatic hydrocarbons in air particulate matter. This method will easily determine microgram quantities of the various hydrocarbons per 1000 m/sup 3/ of air. The exact sensitivity is dependent upon volume of air sampled, and the type of pollution. If the hydrocarbons are present in microgram quantities, they can be determined.

Use microgram in a sentence microgram sentence

Jul 29, 20195. Microgram for microgram, beryllium is one of the most toxic elements on the periodic table. 6. The 10 microgram vaccine met all the European regulatory requirements for the licensing of influenza vaccine. 7. Determination of Microgram Mineral Oil in (plate) Utilization of solid phase spectrophotometry for the determination of microgram amounts of beryllium using(steel) Determination of Trace Amounts of Beryllium(II) in Drinking Water and of Beryllium Vapor in Air by Graphite-Furnace Atomic Absorption Spectrophotometry Using Acetylacetone as a Chelating Agent Article(plate) [Assessment of occupational exposure to beryllium and its the determination of microgram amounts of beryllium using(steel) Jan 01, 2000For the determination of beryllium, an agent carcinogenic to humans, atomic absorption spectrometry with graphite tubes was used. The method allows for determining 1 ng Be in 1 ml of the solution, which correspondents to 0.01 (microgram/m3 (for the sample solution volume--10 ml and the air volume--1000 l) or 0.05 (microgram/m3 (for the air the determination of microgram amounts of beryllium using

A spectrographicmethod has been developed,using a sustaining a.c. arc,for the quantitative determination of beryllium in amounts as low as 0.001 microgram. The method is based upon the excitatio the determination of microgram amounts of beryllium usingAuthor: Robert G. Keenan, John L. HoltzCited by: 18Publish Year: 1964Spectrographic Determination of Beryllium in Air the determination of microgram amounts of beryllium using

Was this helpful?The determination of microgram amounts of beryllium using the determination of microgram amounts of beryllium using(steel) This paper describes the development of a method for the determination of g quantities of beryllium using acetyl acetone. This reagent is first used to isolate the beryllium, after interfering elements have been complexed with ethylene diamine tetra-acetic acid. The beryllium is then determined absorptiometrically as the acetyl acetone complex using radiation of wavelength

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