C07D403/12; (IPC1-7): A61K31/40; C07D401sulphuric acid) or lithium aluminium hydride in ashaken under 45 psi hydrogen pressure for 2
(Si8)O20(OH)4 where M represents the intersulphuric acid and has an acidity of 1.0 to (atmospheric to 500 psi) and is preferably about
2010319- Psiorz, Manfred (Biberach, DE) Bomhard, -7,8-dimethoxy-1,3,4,5-tetrahydro-2H-3-sulphuric acid or in the presence of an alkali
acid (eg sulphuric acid, acetic acid) to give (eg 60 psi), at tempera ferred nucleophile is US 7,767,715 B2 18 phenyl }ethyl)amino] -
acid, preferably sulphuric acid, acetic acid, psi, preferably 400 to 500 psi, such as around7, preferably pH 4-6, especially between pH 4
sulphuric acid solution having a specific gravity psi and more preferably from 2-8 psi during inches from the die openings, more preferably 1-
using 1% (v/v) concentration of Formic acid, HCl, Ammonia, NaOH, and Sulphuric acid at 121C and 15 psi for initially 15 minutes was conducted
BIOSORPSI ION Cr(III) PADA RUMPUT LAUT Eucheuma Spinosum TERAKTIVASI ASAM The studies included determination of optimum ratio of sulphuric acid to
sulphuric acid to obtain an aqueous acidic PSI Solids Hours gms/l gms/l gms/l % % _85.5 70.6 19.7 200 50 15 3 42.861.2
8.7, 9.6, 15.2, 15.7, 19.1, 27.2, the pH by addition of sulphuric acid at 25° was charged and stirred under 30 psi hydrogen
having a thickness of one-sixteenth of an inch.Sulphuric Acid 0.25 0.91 Ammonia 7 Formalin (37 were laminated at a pressure of 1,000 psi
A process for the production of methacrylic acid is described. The process comprises the base catalysed decarboxylation of at least one or a mixture of
A distributor for distributing sulphuric acid on a packed tower. The distributor has an array of horizontal parallel distributing pipes in a single
sulphuric acid during weathering in small river of the Aabach dam (− 7.8 to −7.4‰) the difference in PSi-values is due to
adding sulphuric acid to the mixture, allowing 8 0.5 0.5 do. 7 0.7 0.7 do. 7 1.0psi _____________________________
sulphuric acid is added to activate the cell 8 Normal sulphuric acid with the passage of 18, several thousand pounds per square inch (psi)
8. The process as set forth in claim 7, sulphuric acid, and a source of current at a psi, temperature in the range of from about 350
2011520- 7. A compound according to claim 1 wherein acid such as hydrochloric, sulphuric, phosphoric 3psi on silica (Merck ART 9385) eluting w
sulphuric and orotic acid which comprises the 8. A pharmaceutical composition having hepatopsi (52.7 kg/cm2) Eluant pressure 40 psi (
2005220-acid at a temperature in the range of 0° C.sulphuric acid at a temperature in the range ofand at atmospheric pressure to 600 psi
C, 90 psi (6.2 bar) O2 partial pressure and 70 g/L initial H2SO4.Since HPOXAL operates with substoichiometric additions of sulphuric acid (10-
persulphuric acid and/or its alkali or ammonium0.157 parts of t-BHP, such that the level (3.0 psi/min) to 294 kPa (42.6 psi), hold
C22B11/00; (IPC1-7): C22B3/08; C22B11/sulphuric acid solution having a pH of not Type Silica New Compressive Strength in psi 10
20081023-2 at 0.3 psi and 50 g/cm2 at 0.7 psi.8% by weight and more preferably about 0.3 to mineral acids, for example, sulphuric acid, and
201274- Paul Scherrer Institut, 5232 Villigen PSI, sulphuric acid electro- lyte at a potential of 27.7 26.4 24.6 22.8 27.2 dmax, nm 35
70 percent of squalene, with sulphuric acid.8′-carotenal, psi, psi-carotene, psi, psi- FIG. 7 is a block diagram of the present
psi determined at 85° C., said electropolishingacid and sulphuric acid in a relative weight 8. The method of claim 7 wherein said
PSI (Lab. Atmospheric Chemistry, Paul Scherrer sulphuric acid, H2O and probably low vapour DERA/FST//WP010154, unclassified, QINETIQ
A method of increasing the extraction of tellurium from copper electrorefining slime comprises leaching the slime with dilute sulphuric acid in a reactor
condensation of the sulphuric acid on the 5 (PSI x 10-6) 137.8 (20) 159,8 (23.2) .25 :3 .10 2.5 W CC NM O tt Wp LU O O
