acetic acid and sodium hydroxide equation with states
Separation of acetic acid and water by distillation effect of calcium chloride addition
Ngày tải lên :
05/05/2014, 08:42
... checked and found to be accurate at the 100' C point by making a trial run with distilled water The experimental runs were designed t o cover the complete range of water -acetic acid ratios with ... than in acetic acid, it was possible to go to as high as 60 weight % salt in the wateriich region but only t o about 30 weight % in the acid- rich range For any particular run, the acetic acid- water ... ample, even without the glass beads in 0 the condensate chamber AsALyTlc-4~ METHODS The condensate, 60f which was considered to consist of acetic acid w K and Jvater, was analyzed for the acid by...
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Báo cáo Y học: A polymer with a backbone of 3-deoxy-D-glycero -D-galacto -non-2ulopyranosonic acid, a teichuronic acid, and a b-glucosylated ribitol teichoic acid in the cell wall of plant pathogenic Streptomyces sp. VKM Ac-2124 pdf
Ngày tải lên :
17/03/2014, 10:20
... to separate ribitol and glucose Phosphoric esters were detected with the molybdate reagent, reducing sugars, with aniline hydrogenphthalate; and ribitol and monosaccharides, with 5% (w/v) AgNO3 ... twice with 10% (v/v) trichloroacetic acid at 2–4 °C for 24 h each time; with constant stirring The extracts were separated from cell debris, combined, dialyzed against distilled water and freeze-dried ... disruption by sonication, and purified using 2% (w/v) SDS to avoid possible contamination with membrane compounds, including lipoteichoic acids, washed several times with water, and freeze-dried To...
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Báo cáo khoa học: Polysaccharide binding sites in hyaluronate lyase – crystal structures of native phage–encoded hyaluronate lyase and its complexes with ascorbic acid and lactose docx
Ngày tải lên :
23/03/2014, 04:21
... identical manner and with subsites similar to those of ascorbic acid The first molecule of lactose interacts with AspA151, GlyB165 and LysB166 and forms at least six hydrogen bonds and several van ... inhibition data of enzyme HylP2 with ascorbic acid, together with its chemical and structural similarities with hyaluronan polysaccharide, suggest that ascorbic acid may bind at the saccharide ... Oe2 interacts with ascorbic acid ˚ O2H with a hydrogen bond at a distance of 2.5 A, whereas LysC179 Nf forms two bifurcated hydrogen bonds with the O1 and O4 atoms of ascorbic acid It is interesting...
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Acetic Acid Bacteria 1
Ngày tải lên :
16/09/2012, 23:41
... growth and then acetic acid production by isolated Acetobacter strain from Iranian white – red cherry The interaction effects of ethanol concentrations and temperature on growth and acetic acid ... [8] K Nanda, M Taniguchi, S Ujike, N Ishihara, H Mori, H Ono and Y Murooka, “Characterization of acetic acid bacteria in traditional acetic acid fermentation of rice vinegar (komesu) and unpolished ... from novel food and agricultural resources that could grow at high temperatures and tolerate against high concentrations of ethanol and produce high levels of acetic acid Carr media with 4%, 5%,...
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Acetic Acid Bacteria 2
Ngày tải lên :
16/09/2012, 23:41
... England, W.E Sandine, “Effect of feeding lactobacilli on the coliform and Lactobacillus flora of intestinal tissue and feces from piglets”, J Food Protection 40 (1977) 288 [5] S.E Gilliland, ... Brian, Wood, The Lactic Acid Bacteria, The Lactic Acid Bacteria in Health and Disease [2] A.F Harper, E.T Kornegay, K.L Bryant, H R Thomas, “Efficacy of virginiamycin and a commercialy-available ... “Comparison of two strains of Lactobacillus acidophilus as dietary adjuncts for young calves”, J Dairy Sci 63 (1980) 964 Study on characteristics of lactic acid bacteria isolated in Hanoi Mai Dam...
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Acetic Acid Bacteria - screening of LAB strains
Ngày tải lên :
16/09/2012, 23:45
... (Yoghurt, “Nunu”, “Fura” “Fura da nono” and “wara”) and non dairy traditionally prepared “fufu” from cassava and “ogi” made from white and yellow maize (Zea mays) and red guinea corn (Sorghum bicolor) ... purification and quantification: The exopolysaccharides were isolated according to the method of Garcia-Garibay and Marshall [19] The lactic acid culture was treated with 17% (w/v) of 80% trichloroacetic ... and M Landon, 1988 Extrocellular polysaccharide production by Streptococcus thermophilus Biotechnol Lett., 10: 255-260 Cerning, J., C Bouillanne, M.J Desmazeaud and M Landon, 1986 Isolation and...
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Báo cáo y học: Esterified Hyaluronic Acid and Autologous Bone in the Surgical Correction of the Infra-Bone Defects"
Ngày tải lên :
03/11/2012, 11:35
... flap was elevated and the granulation tissue was removed showing the true extension and depth of the infra-bone defect Debridement and root preparation were carried out with hand and ultrasonic ... plaque and bleeding indexes > 25%, infra-bone defects < 3mm, sites with stabilized teeth (no M2, M3), treatment with drugs that could interfere with the tissue regeneration processes, and patients ... autologous grafting, males and females, all non smokers, with a mean age of 43,8 years for females, 40,0 years for males and 42 years for all the group, in good health and with a mean depth of the...
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BT 3 optimization of medium for indole 3 acetic acid production using pantoea agglomerans strain PVM
Ngày tải lên :
06/08/2013, 21:06
... oryzae and interactions with auxins and ACC regulation of ethylene in canola (Brassica campestris) Planta 226, 867–876 Malhotra, M and Srivastava, S (2009) Stress-responsive indole-3 -acetic acid ... perchloric acid, ortho-phosphoric acid, nitric acid and ethanol were obtained from the Himedia Laboratories, Mumbai, India All chemicals used were of the highest purity available and of analytical ... performed using standard curve Biosynthesis of indole-3 -acetic acid The cell pellets resuspended in the 0Æ5 m borate buffer (pH 8Æ5), and the cells were disrupted by sonication with stroke of 40...
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