نتایج جستجو برای: thin layer chromatography

تعداد نتایج: 480473  

Journal: :Nippon kagaku zassi 1966

Journal: :Journal of lipid research 1971
K A Karlsson I Pascher

Ceramides with mono-, di-, and trihydroxy long-chain bases, and normal (saturated and unsaturated), branched-chain, and 2-hydroxy fatty acids have been analyzed by thin-layer chromatography. In most cases the compounds were also run as acetates. Borate, arsenite, and silver ions were used as complexing agents, and the effects of number, position, and stereochemistry of hydroxy groups, and of un...

2003
S. Nyiredy

The various OPLC andRPC techniques are compared in Table 1. Study of the data shows that OPLC is an excellent technique for analytical separations and that RPC is more ideally suited as a preparative method for isolation of compounds from biological matrices. The advantage of combining online and ofSine separations and two-dimensional development can also be exploited in OPLC. The advantage of ...

Journal: :SEIBUTSU BUTSURI KAGAKU 1966

Journal: :Agricultural and Biological Chemistry 1963

2011

There has been a tendency to discount thin-layer chromatography (TLC) in recent years because of the availability of high-performance liquid chromatography (HPLC) methods that appeared to offer greater versatility and ease of quantification, amongst other reasons. However, TLC has made a comeback, largely because of the high reproducibility and lower costs of commercial pre-coated plates. It is...

2012

Thin layer chromatography (TLC) is a useful technique for the separation and identification of compounds in mixtures. TLC is used routinely to follow the progress of reactions by monitoring the consumption of starting materials and the appearance of products. Commercial applications of TLC include the analysis of urine for evidence of "doping", the analysis of drugs to establish purity or ident...

Journal: :Journal of Chromatography A 1992

Journal: :SEIBUTSU BUTSURI KAGAKU 1966

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