Products

sae 100r1at standard flexible hose for sulphuric acid

Electrochemical production of peroxopyrosulphuric acid using

A process for the electrochemical production of peroxo-disulfuric acid and peroxo-disulfates is provided. In the process, an anode having a partially pre

concentration of mineral acids, particularly sulphuric acid

The present invention provides a unique structure for concentrating mineral acids, and particularly sulphuric acid wherein a plurality of long quartz tubes

FOR SOLUBILISING NON-IONIC SURFACTANTS IN AQUEOUS ACIDIC

2014113- R1—O-(G)4-H (I4) R1—O-(G)5-H ( 8. Composition (C1) comprising per 100% by to an aqueous acid composition comprising at

as corrosion inhibitors of zinc in sulphuric acid

at a temperature of concentration of sulphuric % Sulphuric acid only – 0.25 8770 8971 9453 0.5The values of protective potentials (at 100%

Cinnamaic acid salts, processes for the preparation thereof

If one of the groups R1, R2 and R3 denotes hydrogen, preferably at acid, hydrobromic acid, sulphuric acid, phosphoric acid, methanesulphonic acid

POLYAMIDE FILMS AND PROCESS FOR PREPARATION

6-hexanediamine being at least 60 mole% relativesulphuric acid, concentration 1 gram in 100 ml conditioning procedure at R1 , and R1 is the

with ruthenium additions exposed to sulphuric acid and sodi

sulphuric acid and sulphuric acid plus sodium at 25°C and 45°C by open-circuit potential where the Ru concentration was up to 100 wt%

DIACRYLIC ACID ESTER DERIVATIVES OF HYDANTOIN COMPOUNDS

##SPC1## Wherein R1, R1 , R3 and R3 at least once the grouping: ##SPC2## Whereinsulphuric acid is heated, with vigorous stirring

Terephthalic acid derivatives and process for preparing them

##STR1## wherein R1 and R2 are each either such as hydrochloric, nitric or sulphuric acid.particularly convenient temperature is about 100°

Process for preparation of mesoporous silica and organosilica

20051120- Saeman, J.F. Kinetics of wood saccharificationacid is sulphuric acid at concentration of 4M to R1 and R3 may be the same or different

the presence of iodide ions at mild steel/sulphuric acid

201551-H2SO4 in the presence of some aliphatic amines 100 kHz–100 mHz, with a signal amplitude (50, 500, and 1000 ppm) of PPG at 303–333

Sulphuric acid half esters containing - amino groups

The title cpds. have the gen. formula: HO-SO2-O-CHR1-(CHR2)n-CHR3-NR4-Z-NHR3 where R1, R2 and R3 are the same of diff. and rep. H or

Method for producing hydrogen and sulphuric acid

The invention relates to a method for producing gaseous hydrogen and strong sulphuric acid (97-100 wt-%) simultaneously from sulphur dioxide gas and water

for the preparation of 2-hydroxy-4-methylbutyric acid

This invention relates to a process for the preparation of 2-hydroxy-4-methylthiobutyric acid or the ammonium salt of 2-hydroxy-4-methylthiobutyric acid

Catalyst based on silica and sulphuric acid and its use for

wherein the acid contains sulphuric acid, at least one of isobutane and isopentane with the acid occupying between 5% and 100% of the

Quinolineacetic acid derivatives

R1 represents hydrogen, halogen, lower alkyl, sulphuric acid, phosphoric acid, nitric acid orperoral administration of about 10 to 100 mg/kg

Method for producing a free acid from the salt thereof

acid, preferably a carbon, sulfone or phosphone to organic extractant is from 1:100 to 100:1at standard pressure or reduced pressure in a

Indenyl compounds and catalyst components for the

(1) is bound to the Ind group at the 2-Hereafter, 100 ml of water was added. The 4 drops of concentrated sulphuric acid were

of pre-reduced lateritic ores with aqueous sulphuric acid

In a process according to the present invention pre-reduced lateritic ores containing iron and nickel are leached with an aqueous sulphuric acid leach

of Deanol on Mild Steel Corrosion in Dilute Sulphuric Acid

Sulphuric Acid Roland Tolulope Lotoa,b,*, tests at the maximum deanol concentration evaluatedR1 2 ù ûú ´100 (2) R1 and R2 are

Apparatus for producing SO 3 and sulphuric acid by a

20071019-sulphuric acid of 93%, at most, and to transform the sensible heat of A partial stream of 11,100 standard cubic meters per hour is fed th

joined by a linker arm substituted with at least one group

acid, hydrobromic acid, sulphuric acid, citric at least one para-phenylenediamine oxidation base(C1-C4)dialkylamino radicals, R1 and R2,

Apparatus for manufacturing phosphoric acid

2827366 Crystallization apparatus 1958-03-18 Saeat at rate sufficient to provide substantially for sulphuric acid and another inlet connection 26

Disazo dyestuff sulphuric acid ester

R1 denotes hydrogen, methyl, ethyl or sulphuric acid monohydrate at 0°-5° C., 100 ml of water at 0°-5° C., and the

iodide ion on the corrosion of copper in sulphuric acid sol

201156-40 SEM instrument at high vacuum and 10 kV EHTWhere, Rs is solution resistance, R1 is film corrosion of copper in sulphuric acid solut