Thin Layer Chromatography
The phytochemical screening and thin layer chromatography results of Jatropha
... The silica gel plate was eluted with a mobile phase (n butanol: acetic acid: water = 4:1:1). Spots which formed on the silica gel plate was viewed under UV light with a wavelength of 254 and 365 nm. The spots indicates ...
5
DIFFERENTIATION OF Curcuma longa, Curcuma xanthorrhiza and Zingiber cassumunar BY THIN LAYER CHROMATOGRAPHY FINGERPRINT ANALYSIS
... method, thin layer chromatography (TLC) fingerprint, has been developed in order to identify, authenticate and differentiate these three herbs through fingerprint profile of chemical ...
4
Analytical Method Validation and Determination of Pyridoxine, Nicotinamide, and Caffeine in Energy Drinks Using Thin Layer Chromatography-Densitometry | Riswanto | Indonesian Journal of Chemistry 21217 40302 1 PB
... used. Chromatography was carried out in a 20 × 20 cm flat bottom chamber CAMAG up to a migration distance of 75 mm using methanol-ethyl acetate–ammonia 25% 13:77:10 (v/v/v) as the mobile ...Planar ...
7
Development and validation of thin layer chromatography-densitometry method for analysis of mefenamic acid in tablet - Repositori Universitas Andalas
... A stock solution with 506 µg/mL of mefenamic acid was prepared in chloroform. The volume of 1, 2, 3, 4 and 5 mL of stock solution were introduced by measuring pipette into separate 10 mL volumetric flask and then diluted ...
6
Thin Layer Chromatography Fingerprints of Leaves of Three Guava Types
... Guava leaf contains chemical compounds having antioxidant activity. Quality control methods are needed to maintain the quality of raw materials. The objective of this research is to find the chromatographic fingerprints ...
48
SYNTHESIS AND REACTIONS OF 1-(4’-BROMOPHENACYL)-3-(4’-BROMO-PHENYL)-4,6-DIMETHOXYINDOLE | Jumina | Indonesian Journal of Chemistry 21824 40911 1 PB
... Indole 2c (0.15 g, 0.28 mmol) was added in portions into a solution of p-chloro-N,N- dimethylbenzamide (0.10 g, 0.55 mmol) in phosphoryl chloride (1.0 mL) at 80°C. The mixture was stirred for 3h, then cooled in an ...
7
STRUCTURE ELUCIDATION OF BIOACTIVE ALKALOID COMPOUNDS ISOLATED FROM SPONGE Petrosia sp COLLECTED FROM BUNAKEN BAY MENADO | Alam | Indonesian Journal of Chemistry 21828 40915 1 PB
... data, Thin Layer Chromatography (TLC) co- chromatograph with authentic samples and comparison with reported data the two compounds were identified as Manzamine A and 8-OH Manzamine A, ...
5
Tjie Kok Solanum Melongena Reference 2011
... reaction, thin layer chromatography, and Fourier transform−infrared spectrophotometry confirmed the existence of solasodine in the extract of the plant’s ...
1
Model and Simulation of Deep Bed Clove Drying: Effect of Fermented Treatment
... From the graph (Fig. 3) we can see that the decreasing profile of moisture content on deep-bed clove was specific during drying process. On the each treatment, the higher temperature and the lower relative humidity led ...
6
Kata-kata Kunci: Interface, lapisan tipis, SAP2000, CIRCLY 4, Bonding Stiffness. Abstract - Rentang Modulus dari Thin Layer yang Menunjukkan Kondisi Bonding Antar Lapisan Beraspal
... modulus thin layer yang bervariasi mulai 1 MPa sampai dengan 10000 MPa, lendutan yang terjadi akibat beban tertentu kemudian dihitung dengan program ...dengan thin layer modulus sebesar 50 MPa ...
6
Effect Of Different Coating Layer Of Alkali Niobate (KNN) Thin Film Through Sol-Gel Technique.
... of thin film fabrication to replacing widely used lead zirconate titanate or PZT due to the facts that this ceramics contain about 60% lead, and therefore represent a possible ecological hazard, Malic et ...
24
Thin-Layer Chromatography for Binding Media Analysis
... The fledgling technique was then improved b y the addition of binders to the sorbents. This was first reported in Analytical Chemistry by J. E. Meinhard and N. F. Hall in 1 949. They used a binder to adhere alumina to ...
188
The Effects of Shrinkage to Thin Layer Drying Characteristics of Temu Putih (Curcuma zedoaria (Berg) Roscoe)
... the thin layer drying model of temu putih herb slices was ...of thin layer drying have been suggested by researchers, either theoretical or empirical, but the role of shrinkage in the model is ...
79
Directory UMM :Data Elmu:jurnal:A:American Journal of Botany:Vol88.Issue1.Jan2001:
... granular layer (MGL)—Echlin and Godwin (1969) described in Helleborus that after formation of the end- exine on lamellae, deposition of sporopollenin appeared as small granules that gradually ...similar ...
17
The Strength And Stiffness Modulus Of Thin Layer Hot Mix Asphalt Concrete At Various Temperature COVER
... on thin layer HMA (4 cm) compared to Asphalt Concrete Wearing Course ...using thin layer HMA (4 cm) in different climate ...of thin layer HMA and AC-WC which were used in this ...
14
The Effects of Shrinkage to Thin Layer Drying Characteristics of Temu Putih (Curcuma zedoaria (Berg) Roscoe)
... the thin layer drying model of temu putih herb slices was ...of thin layer drying have been suggested by researchers, either theoretical or empirical, but the role of shrinkage in the model is ...
145
Surface Behavior of Rhodamine and Tartrazine on Silica- Cellulose Sol-Gel Surfaces by Thin Layer Elution
... Physical and chemical interactions are the principles for different types of separation systems as the equilibrium dynamics on surface plays a key role. Surface modification is a way for selective separation at ...
7
Penelusuran Senyawa Aktif Antibakteri Daun Saga (Abrus Precatorius L.) terhadap Bakteri Staphylococcus Aureus Secara Bioautografi - Ubaya Repository
... Hasil Thin Layer Cromatography Bioautography Overlay Assay yang diperjelas dengan reagen pewarna p-iodonitrotetrazolium violet terdeteksi bahwa senyawa aktif antibakteri terhadap Staphylococcus aureus ...
1
High Temperature Oxidation of Low Carbon Steel with and without an Al Coating in an Atmosphere Containing Burning Ethanol
... oxide layer. The oxide layer formed on outer layer of the steel becomes loose and porous relative to the inner layer because of dissolved hydrogen in the oxide ...oxide layer occurs at ...
5