Ferruginous waters

Banks, D., Burke, S. P. Gray, C. G. 1997a. Hydrogcochemistry of coal mine drainage and other ferruginous waters in north Derbyshire and south Yorkshire, UK. Quarterly Journal of Engineering Geology, 30, 257-280. 

Chalydeath ok Ferruginous Waters.—These terms are applicable to those waters, the active principle of which is iron in considerable quantity. These waters possess a styptic teste, and when they contain the protoxide of the metal, yield, with ferrocyanide of potassium, a white or bluish-white precipitate and if the sesquioxide be present, they give a Mm precipitate with ferrocyanide of potassium, and become red with... 

Iron of Norica, extracted from ferruginous water. 

Best Iron of Norica, melted out from a coagulated slime in a ferruginous water. 

In oxygen-free groundwaters iron in the oxidation state II is present at concentrations of as many as tens of mg 1 . Natural waters with amounts of iron above 10 mg 1 are considered to be mineral waters and are called ferruginous waters. 

Iron Bacteria.—These higher bacteria inhabit ferruginous waters, and are characterised by a cell membrane impregnated with ferric hydroxide, which results in the formation of fluffy, brownish streamers on stones or plant stems under water. It was at one time believed that these organisms obtained their energy by the oxidation of ferrous salts to ferric, but it is now known that their metabolism is orthodox. The colour is due to local precipitation of iron salts, and is not a unique metabolic process. During their life period, iron bacteria cause the accumulation of ferric hydroxide in natural waters containing soluble iron salts. 

Eisen-wasser, n. chalybeate water, -wein, m. Pharm.) iron wine, -weinstein, m. Pharm.) iron and potassium tartrate, tartrated iron, -werk, n. ironworks, iron mill, -wolfram, n. ferrotungsten. -zeit, /. iron age. -zement, m. n. ferroconcrete, -zinkblende, /. mar-matite. -zinkspat, m. ferruginous calamine, -zinnerz, n. ferriferous cassiterite. -zucker, m. Pharm.) saccharated ferric oxide, -zuk-kersinip, m. Pharm.) sirup of ferric oxide. 

Eastern Manus Basin Desmos cauldron (3 42 S, 151°52 E) 2000 Caldera of basalt/basaltic andesite at an intersection of a spreading center and a transform fault Sulfide ores were not recovered. Megaplume-like methane anomalies in water column over the caldera. Ferruginous oxide deposits. Pyrite and native sulfur disseminated in basaltic andesite. 

In this case study, the selected phases are pyrite, amorphous FeS, calcite (present in limestones in the roof strata Fig. 5), dolomite (possibly also present in the limestones), siderite (which occurs as nodules in roof-strata mudstones), ankerite (present on coal cleats in the Shilbottle Seam), melanterite and potassium-jarosite (representing the hydroxysulphate minerals see Table 3), amorphous ferric hydroxide (i.e., the ochre commonly observed in these workings, forming by precipitation from ferruginous mine waters), and gypsum (a mineral known to precipitate subaqueously from mine waters with SO4 contents in excess of about 2500 mg/L at ambient groundwater temperatures in this region, and with which most of the mine waters in the district are known to be in equilibrium). In addition, sorption reactions were included in some of the simulations, to contribute to the mole transfer balances for Ca, Na, and Fe. 

It is upon the property which clay possesses of being converted by heat into a firm compact mass, no longer influenced by the action of water, that ite employment in the preparation of bricks and vessels of various kinds depends and with a view to this object the different varieties of clay have been classified into fireproof, fusible, calcareous, and ferruginous—the calcareous being those which effervesce considerably with acids from containing a large proportion of earthy carbonates, particularly lime, while the ochry or ferruginous clays contain much oxide of iron, and possess a red-brown color. 

Chakravarty, S., Dureja, V., Bhattacharyya, G. et al. (2002) Removal of arsenic from groundwater using low cost ferruginous manganese ore. Water Research, 36(3), 625-32. 

Towards iodic acid and the salts of such readily reducible metals as mercury and platinum, ferrous hydroxide acts as a reducmg agent. It can even decompose water, slowly in the cold but more rapidly on boiling,8 the solution becoming turbid in air/ and possessing a distinctly ferruginous taste. Solutions of the alkali hydroxides readily dissolve ferrous hydroxide even ammonium hydroxide acts similarly, and in the... 

As in the case of iron, the hydrodynamic regime of the water basin has a considerable effect on the processes of accumulation of siUca. In the case of simultaneous deposition of silica and iron, the sols of their hydroxides are usually converted to gels having the composition of ferruginous chlorites. In the case of coagulation of silica sol around submarine active springs with constant discharge, only small lenticular intercalations of spilite are formed. 

Leblanc M., Achard B., Othman D. B., Luck J. M., Bertrand-Sarfati J., and Personne J. C. (1996) Accumulation of arsenic from acidic mine waters by ferruginous bacterial accretions (stromatolites). Appl. Geochem. 11, 541-554. 

Ascorbic acid has been declared useful in intravaginal contraceptives in reducing sperm motility (899,900). The preservation of human blood by the addition of sodium ascorbate (901) has been found to have some merit. The usefulness of ascorbic acid in the treatment of industrial chemical toxicity (902,903), in the preservation of cut-blooms in water (904,905), in water treatment of the ferruginous type (906), in inhibiting corrosion (907), in treatment for the production of durable creases in cloth (908), and in brightened yarns with high light fastness (909) is mentioned. Adhesive compositions (910) and special cleansers (911, 912) are other potential applications. 

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