pka Table - pKa is an acid dissociation constant used to describe the acidity of a particular molecule. Its value is directly related to the structure of the given compound.
2AcidPositi on of carboxylpQpK”pKIHpKIVpKV pKVIBen zoic14.17*Phthalic1,22.98*5.28*Isophthalic1,33.46*4.46*Terephthalic1,43.51*4.82 37、*Hemimellitic1,2,32.80*4.20*5.87*Trimellitic1,2,42.52*3.84*5.20*9Trimesic1,3,53.12*Mellophanic1,2,3,42.06*Prehnitic1,2,3,52.38*Pyromellitic1,2,4,51.92...
The result showed that the equivalence point was found on the titrant volume of 8.6 mL and a measured pH of 9.84. so the pKa value of mangosteen pericarp extract was 7.20, and the pH range was 6.20 to 8.20. the average ...
Acid Benzoic Phthalic Isophthalic Terephthalic Hemimellitic Trimellitic Position of carboxyl pKI 1 1,2 1,3 1,4 1,2,3 1,2,4 4.17* 2.98* 3.46* 3.51* 2.80* 2.52* 5.87* 5.20* 8 Trimesic Mellophanic Prehnitic Pyromellitic Benzenepentacarboxylic Mellitic *ionic strength 0.03 **thermodynamic 1,3...
These issues are within the purview of those responsible for clinical governance, service delivery, and future research initiatives.Nutritional and health status are critically linked to child growth; insufficient growth can lead to stunting. South Africa suffers from a significant problem of stunting, ...
10.77 77 Hydrazones Hydrazone of: Benzophenone 3.85 16 p,p'-Dimethoxy- 4.38 16 p-Chloro- 4.38 16 p-Methoxyacetophenone 4.94 16 p,p'-Dichloro- 3.13 16 Phenyl-2-thienyl ketone 3.80 16 Semicarbazones of: Semicarbazide Furfural Benzaldehyde Acetone Acetaldehyde Pyruvic acid 3.66 1.44 14 0.96 ...
trana.dibromofumaricacid (tlBn$一HOOCBr—=CBrcO0H) 80C12CHCOOH 81difluomaceticacid(F2CHCOOH) 82oxalicacid(HOOCCOOH) 832,6-dinitrobemoicacid(2,5-(NO2)2C6I-I3COOH) trans.dihydroxyfumaricacid (t_rsl18.HOOCCOH==COHCOOH) 852,4,6-(NO2)3C6H2COOH 86trifluomaceficacid...
oxalic 1.23, 4.19 2 Succinic 4.19, 5.48 2 Malonic 2.83, 5.69 2 O-O ’ -Dimethyl- 3.77, 5.94 2 Methyl- 3.05, 5.76 2 (high melting) Ethyl- 2.99, 5.83 2 O-O ’ -Dimethyl- 3.94, 6.20 2 n-propyl 3.00, 5.84 2 (low melting) i-propyl- 2.94, 5.88 2 O,O ’ -Diethyl- 3.63, 6.4...
化合物的pKa值 pKa Values INDEX Inorganic2Phenazine24 Phosphates3Pyridine25 Carboxylic acids4, 8Pyrazine26 Aliphatic4, 8 Aromatic7, 8Quinoline27 Phenols9Quinazoline27 Alcohols and oxygen acids10, 11Quinoxaline27 Amino Acids12Special Nitrogen Compounds28 Peptides13Hydroxylamines28 Nitrogen Compounds14...
Then, the paraffin sections were placed in 2% oxalic acid for 5 min until the color changed. After washing, the slices were soaked in 5% sodium thiosulfate solution for 30 s. The slices were dehydrated in alcohol, cleared with xylene and then sealed for observation. 2.13. Golgi staining The...