✦ LIBER ✦

Polyurethane-pyridylazonaphthol foams in the preconcentration and separation of trace elements

✍ Scribed by T. Braun; A.B. Farag; M.P. Maloney

Publisher: Elsevier Science
Year: 1977
Tongue: English
Weight: 717 KB
Volume: 93
Category: Article
ISSN: 0003-2670
DOI: 10.1016/0003-2670(77)80022-6

No coin nor oath required. For personal study only.

📜 SIMILAR VOLUMES

Preconcentration and separation of acari

Preconcentration and separation of acaricides by polyether based polyurethane foam

✍ M.S. El-Shahawi; S.M. Aldhaheri 📂 Article 📅 1996 🏛 Elsevier Science 🌐 English ⚖ 765 KB

Plasticized open-cell polyurethane foam

Plasticized open-cell polyurethane foam as a universal matrix for organic reagents in trace element preconcentration: Part I. Collection of silver traces on dithizone foam

✍ T. Braun; A.B. Farag 📂 Article 📅 1974 🏛 Elsevier Science 🌐 English ⚖ 799 KB

ChemInform Abstract: Preconcentration an

ChemInform Abstract: Preconcentration and Separation Methods for the Determination of Trace Palladium in Environmental Samples

✍ Pyrzynska Krystyna 📂 Article 📅 2009 🏛 John Wiley and Sons ⚖ 15 KB

## Abstract ChemInform is a weekly Abstracting Service, delivering concise information at a glance that was extracted from about 200 leading journals. To access a ChemInform Abstract of an article which was published elsewhere, please select a “Full Text” option. The original article is trackable v

Modeling the dynamics of reactive foamin

Modeling the dynamics of reactive foaming and film thinning in polyurethane foams

✍ G. Harikrishnan; D. V. Khakhar 📂 Article 📅 2009 🏛 American Institute of Chemical Engineers 🌐 English ⚖ 230 KB 👁 2 views

Separation and microcolumn preconcentrat

Separation and microcolumn preconcentration of traces of rare earth elements on nanoscale TiO2 and their determination in geological samples by ICP-AES

✍ Yiping Hang; Yongchao Qin; Jing Shen 📂 Article 📅 2003 🏛 John Wiley and Sons 🌐 English ⚖ 137 KB

## Abstract A simple, rapid microcolumn preconcentration and separation technique is described for the determination of the trace rare earth elements Sm, Tm, Ho, and Nd in geological samples by Inductively Coupled Plasma Atomic Emission Spectrometry (ICP‐AES). The technique was based on adsorption

The determination of trace elements in a

The determination of trace elements in aqueous media without preconcentration using a cryogenic hollow-cathode ion source

✍ G.O. Foss; H.J. Svec; R.J. Conzemius 📂 Article 📅 1983 🏛 Elsevier Science 🌐 English ⚖ 796 KB

The glow discharge in a hollow cathode containing 20-50 ~1 of an aqueous sample held at liquid-nitrogen temperature is used as a source of ions in a double-focussing mass spectrometer. The device was tested with nine solutions containing an aggregate of seventy elements. Seven elements (F, P, S, SC