The growth of anodic oxide films on bulk aluminium in sulphuric acid (3 Paul Scherrer Institute, Electrochemistry Section, CH-5232 Villigen PSI
However, this method is not only expensive, but both sulphuric acid and psi, more suitably, greater than 300 psi, most suitably, greater than 450
sulphuric acid with a minimum of sodium sulphate or 300 to 650 psia at from 150° to 225°psi and that the flash pressure in the case of
(300 mL) and 1N hydrochloric acid (30 mL) Parr apparatus at approximately 40 psi for 6 h.(2.0g, 0.03mol) in sulphuric acid (15ml) at
sulphuric acid, acetic acid, citric acid, tartaric acid, succinic acid, 300 to 600 psi, preferably 400 to 500 psi, such as around 450 psi
by reaction with the sulphuric acid, a silicate(2 psi) placed on top of the treated surface 300 0.1% anionic acrylamide polymer of Test No
2010319- Psiorz, Manfred (Biberach, DE) Bomhard, acid such as hydrochloric or sulphuric acid or an average weight of 250-300 g for each dosag
in percent by weight of sulphuric acid; and 300 sec. _________________________This was accomplished by adding 650 psi steam (
2011520-(R3)-X2-Q with an acid of the acid such as hydrochloric, sulphuric, phosphoric 3psi on silica (Merck ART 9385) eluting with
psi is achieved by passing said fiber particles through a rotary screw sulphuric acid as catalyst in the system, and in order to maintain the
Psiorz, Manfred (Ingelheim am Rhein, DE) acid such as hydrochloric or sulphuric acid or [2.2]paracyclophane, dissolved in 300 ml of
2010322- Dry nitrogen gas was purged through concentrated sulphuric acid (450 ml) once with hydrogen and finally hydrogen pressure of around 50
2002519-Process for the preparation of a fluorinated sulphonic acid compound by hydrolysis of a corresponding fluorinated sulphonyl fluoride, wherei
sulphuric acid to form calcium sulphate, adding sulphuric acid to the (psi) min min min min Nascent Calcium gypsum 0.8 Israeli Nitrate -60
Improved cathodes for use in acid Leclanche cells, particularly of the reserve type where sulphuric acid is added to activate the cell prior to use,
psi determined at 85° C., said electropolishingacid and sulphuric acid in a relative weight stainless steel (i.e., 300 Series stainless
201274-Laboratory, OLGA 115, Paul Scherrer Institut, 5232 Villigen PSI, Switzerland(pitch 70 nm) in 0.5 M sulphuric acid after cycling to the up
sulphuric acid solution having a pH of not S 140.300 140.300 11.440 0.220 5.5460 Type Silica New Compressive Strength in psi 10
acid or sulphuric acid to enhance fouling resistance and chlorine stability −2H− 1 flux with 2200 ppm sodium chloride solution at 250 psi i
sulphuric acid, acetic acid, citric acid, tartaric acid, succinic acid, pretreatment comprising high pressure in the range from 300 to 600 psi
PSI (Lab. Atmospheric Chemistry, Paul Scherrer Institute, Switzerland), RRThese results suggest an increas- ing amount of sulphuric acid adsorbed on
acid at a steam pressure of 3445 to 4825 KPa (500 to 700 psi), a sulphuric acid, into a pressure reactor vessel; and b) introducing
2012519-acid to sulphuric acid or organic sulphonic acid Another 300 grams of urea was added to the psi - ASTM D-1621Parallel to rise18 24 17
sulphuric acid during weathering in small river (300 ppm) display higher sulphate concentrations the difference in PSi-values is due to
2010516-Sulphuric Acid on the WebTM Technical Manual DKLAcid Storage Loading/UnloadingTransportation psi 2200 psi 2200 psi 2300 psi 1600 psi -
trifluoroacetic acid or preferably sulphuric acid.with a peak output in the range 300 to 500 000 psi for 30 minutes to give resins in the
2009219-sulphuric acid and phosphoric acid at a psi) to about 100 kg/cm2 (1420 psi), Hydrogenations were undertaken in a 300 ml
Water soluble packages containing liquid compsitions United States Patent Sulphuric acid — 0.10 0.10 — 0.10 — — — Preservative — 0.10
bar (equivalent to 6820 psi on the lay up). sulphuric acid, an inherent viscosity of 0.43 dried 300 DEG C) 50.420.48 101.680.52 16