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Merck - 1055670001 - TLC Silica gel 60/kieselguhr F254 25 Aluminium sheets 20 x 20 cm

  • MFR SKU: 1055670001
  • ITEM #: 7231137
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$441.37
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ITEM #: 7231137
Precoated Kieselguhr or mi x ed Silica gel/Kieselguhr plates are only of small importance nowadays. Kieselguhr layers are used like cellulose layers for the TLC separation of polar and moderately polar substances. Polyamide, on the other hand , is used for the separation of flavonoids and other phenolic substances.
HS Code: 3822 00 00
TLC Silica gel 60/kieselguhr F254 25 Aluminium sheets 20 x 20 cm
This listing is for Pack of 25

Merck - 1055670001 - TLC Silica gel 60/kieselguhr F254 25 Aluminium sheets 20 x 20 cm

  • Item #: 7231137
  • MFR SKU: 1055670001
  • Catalogue Number 105567
  • Replaces 5567-7; 5567
  • Overview Precoated Kieselguhr or mixed Silica gel/Kieselguhr plates are only of small importance nowadays. Kieselguhr layers are used like cellulose layers for the TLC separation of polar and moderately polar substances. Polyamide, on the other hand , is used for the separation of flavonoids and other phenolic substances.
  • HS Code 3822 19 00
  • Quality Level MQ100
  • Application Aluminum TLC plates, Silica gel & Kieselguhr coated with Flourescent indicator F254. The Silica gel & Kieselguhr TLC plate comes in a quantity of 25 size 20x20 cm for thin layer chromatography applications.
  • Storage class 10 - 13 Other liquids and solids
  • Storage Store at +2° C to +30° C.
  • Layer thickness 170 - 220 µm
  • Deviation of layer thickness per plate ≤ 30 µm
  • Chromatografic testings: A) colour test
  • hRf-values
  • - bleu vif organol, colour test, lipophile
  • 20 - 30
  • - Ceres Black G, colour test, lipophile 50 - 60
  • - ceres Violet brn, colour test, lipophile 60 - 70
  • Typical value determined on a conditioned sheet
  • Eluent: toluene (45% rel. humidity)
  • B) PHB- Ester
  • - phb-methylester, phb-ester-test 20 - 30
  • - phb-ethylester, phb-ester-test 30 - 40
  • - phb-propylester, phb-ester-test 40 - 50
  • Typical value determined on a sheet
  • Eluent: Pentane/ glacial acetic acid (88/12 v/v)

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