Cobalt Blue Crystal
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 LARGE Dark Cobalt Blue Solid Crystal Glass Drawer Pull $5.25 Time Remaining: 13d 5h 49m Buy It Now for only: $5.25 |
 Large Dark Cobalt Blue Solid Crystal Glass Drawer Pull Cabinet Knob NEW $12.99 Time Remaining: 6d 12h 46m Buy It Now for only: $12.99 |
 LARGE Dark Cobalt Blue Solid Crystal Glass Drawer Pull $6.18 Time Remaining: 4d 18h 9m Buy It Now for only: $6.18 |
 ONE Large Round Cobalt Blue Crystal Glass Drawer Pull Drawer Knob NEW $5.59 Time Remaining: 17d 5h 45m Buy It Now for only: $5.59 |
 Set of 12 Dark Cobalt Blue LARGE Solid CRYSTAL Glass Drawer Knobs Pulls Handles $54.95 Time Remaining: 10d 17h 30m Buy It Now for only: $54.95 |
 LOT 6 Large Dark Cobalt Blue Solid Crystal Glass Drawer Pull Cabinet Knob NEW $49.99 Time Remaining: 6d 13h 34m Buy It Now for only: $49.99 |
 Case Lot of 50 Cobalt Blue Crystal Glass Cabinet Knobs $159.00 Time Remaining: 5d 11h 11m Buy It Now for only: $159.00 |
 Whitehaus Collection Cabinetry Hardware Sphere Shape Crystal Knob Verde WH26V $9.41 Time Remaining: 15d 6h 34m Buy It Now for only: $9.41 |
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Arc International Luminarc Working Glass, 14-Ounce with Red Lids, Set of 6
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DescriptionSix working glass 14-ounce wred lids (shrink wrap)Luminarc is durableLuminarc is wash resistant100-Percent hygienic Luminarc is the oldest brand currently sold by Arc, launched in 1948. Arc International is a French manufacturer and distributor of household goods... |
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Libbey Premiere Cobalt Blue 16-Ounce Goblet Glass, Set of 12
Sale Price: $41.88 |
DescriptionLibbey premiere sheer rim cobalt blue 16 oz tall iced tea glass this tall 16 oz iced tea glass is forged with the classic premiere shape in a deep cobalt blue, and features libbey''s sheer rim dura temp edge, which is a beadless edge that has been polished down for extra durability and is guaranteed against chippage... |
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Libbey Glassware Crisa Boston 18-Piece Tumbler Set, Clear
Sale Price: $20.98 |
DescriptionThe classic, well-made design of the 18-piece Boston set will cover your everyday glassware needs. These glasses are also stackable. Dishwasher safe. |
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LOT of 4 Cobalt Blue Crystal Knob Pulls with OIL RUBBED BRONZE with Flush-Fit Screws - Our Original Premium Depression type Crystal Glass Cabinet Knobs NOW with FLUSH FIT CONNECTORS, a 3rd Generation 1920 Depression Replica.
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DescriptionFour (4) Cobalt Blue Crystal Knob Pulls with OIL RUBBED BRONZE Flush-Fit SCREWS- Our Original Premium Depression type Crystal Glass Cabinet Knobs. Perfect Reproductions of the Depression Crystal Glass knob Pulls with Custom FLUSH-FIT Connectors, Which eliminates the raw screw inside of cabinet... |
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Cobalt Blue & Natural Brass Leaf'n Shell Hand Forged Plates, Astoria Crystal Passage Door Knob Set Color Is Burned in When the Crystal Glass Was Being Manufactured and Set in Knob Stems Hand Forged in Solid Brass.
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DescriptionCobalt Blue & Natural Brass Leaf'n Shell hand forged plates, Astoria Crystal Passage Door Knob Set Color is Burned in when the Crystal Glass was being manufactured and set in knob stems hand forged in solid brass... |
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Cal Crystal AK4-CO Cobalt Blue Artisan 1-3/4" Glazed Porcelain Mushroom Knob from the Artisan Collec
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Description1-3/4" Whimsical Glazed Porcelain Mushroom KnobThis beautiful handmade knob from the Artisan collection features a stunning glossy glaze. The unique color and texture of the Artisan knob derives from the use of glazes created for art pottery, not commercial ceramics... |
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Rose Crystal Organic Rosewater Hydrating Facial Toner with Rose Quartz Gem Elixir As Seen in Fast Company Magazine
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Description91% Organic Rose CrystalRosewater Facial Toner with Rose Quartz Gem Elixir A hydrating, conditioning toner with the delicate floral scent of Roses. Pure, natural Rosewater & Organic Aloe Vera improve the overall health & vitality of your skin... |
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Salt Crystals in Abalone Shell / Essential Oils
Sale Price: $24.95 |
Description100 grams of Rio Sea Salt Crystals in a West Coast Abalone Shell. Scented with, and including 5ml bottle of our own special Essential Oil blend of Sage, Cedarwood Atlas, Fir Needle, Eucalyptus Radiata, and Pine... |
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Cobalt Blue 2.14 Oz or 60ml Glass Bottles with Glass Droppers (6 Per Package)
Sale Price: $18.99 |
DescriptionA beautiful bottle for tinctures, essential oils, liquid vitamins, etc. The glass cobalt blue bottle measures 4.5" tall with it's screw on top on. The dropper or applicator is glass. Set of 6 |
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Acer Aspire TimelineX AS3830TG-6424 13.3-Inch HD Aluminum Laptop (Cobalt Blue)
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DescriptionProduct Name: Acer 13.3" i5-2430M 2.40 GHz Notebook | AS3830TG-6424 Product Number: AS3830TG-6424 Operating System: Windows 7 Home Premium Processor Manufacturer: Intel Processor Type: Core i5 Processor Model: i5-2430M Processor Speed: 2... |
Cobalt Sulphate (Cobalt Sulfate) – Features and uses
Cobalt sulphate is a water soluble bivalent cobalt salt. Acute poisoning by ingestion is rare with no reported cases in at least the last 30 years. Outbreaks of chronic cobalt intoxication (manifest as cardiomyopathy) occurred in Belgium, Nebraska and Quebec in the 1960's among heavy beer drinkers when a cobalt salt was added to beer as a foam stabilizer (Kesteloot et al, 1968). Occupational cobalt contact dermatitis has occurred from cobalt sulphate in varnishes, paints (Zenorola et al, 1994) and humidity indicators (Sertoli et al, 1978). Cobalt sulfate is any sulfate salt of either divalent or trivalent cobalt. Anhydrous cobalt sulfate appears as red monoclinic crystals that melt at 96.8°C and become anhydrous at 420°C. It is soluble in water, slightly soluble in ethanol, and especially soluble in methanol. Cobalt sulphate heptahydrate dehydrates on heating (41.5°C) to the hexahydrate and to the monohydrate at 71°C.
USES
1.Removal of atmospheric pollutants in waste gases.
2.Humidity indicator.
3.Manufacture of vitamin B12.
4.Storage batteries and electroplating.
5.Drier for varnishes and lithographic inks.
6.Used in pigments, ceramics, enamels and glazes.
7.It is used the preparation of pigments, as well as in the manufacture of other cobalt salts.
8.Cobalt(II) sulfate is used in storage batteries and electroplating baths, sympathetic inks, and as an additive to soils and animal feeds.
9.In the past, cobalt(II) sulfate was used to improve the stability of foam in beer and to treat some forms of anemia not responsive to other treatments.
FEATURES
1. Cobalt sulphate is a topical irritant and a recognized cause of occupational contact dermatitis.
2. Simultaneous allergies to nickel and cobalt are frequent.
3. Cobalt sulphate is a potential eye irritant but there are no reports of acute eye toxicity in man.
4. There may be no or minimal symptoms after small ingestions. Nausea, vomiting and/or abdominal pain are likely after more substantial ingestions and there is a risk of gastrointestinal corrosion from concentrated solutions which are acidic.
5. In the past congestive cardiomyopathy occurred after the consumption of large quantities of beer to which cobalt sulphate/chloride had been added as a foam stabilizer.
NATURAL OCCURENCE
Rarely, cobalt(II) sulfate is found in form of few crystallohydrate minerals, occurring among oxidation zones containing primary Co minerals (like skutterudite or cobaltite). These minerals are: biebierite (heptahydrate), moorhouseite (Co,Ni,Mn)SO4.6H2O, aplowite (Co,Mn,Ni)SO4.4H2O and cobaltkieserite (monohydrate).
Cobalt is a hard, lustrous, grey metal, a chemical element with symbol Co and atomic number 27.
Although cobalt-based colors and pigments have been used since ancient times for making jewelry and
paints, and miners have long used the name kobold ore for some minerals, the free metalic cobalt was
not prepared and discovered until 1735 by Georg Brandit.
Cobalt is found in various metallic-lustred ores for example cobaltite (CoAsS), but it is produced as a by-product of copper and nickel mining. The copper belt in the Democratic Republic of the Congo and Zambia yields most of the worldwide mined cobalt. Cobalt is used in the preparation of magnetic, wear-resistant, and high-strength alloys. Cobalt blue (cobalt(II) aluminate, CoAl2O4) gives a distinctive deep blue color to glass, ceramics, inks, paints, and varnishes. Cobalt-60 is a commercially important radioisotope, used as a tracer and in the production of gamma rays for industrial use.
Cobalt is an essential trace-element for all multicellular organisms as the active center of coenzymes called cobalamins. These include vitamin B-12 which is essential for mammals. Cobalt is also an active nutrient for bacteria, algae, and fungi, and may be a necessary nutrient for all life.
Cobalt sulphate heptahydrate dehydrates on heating (41.5°C)to the hexahydrate and to the monohydrate at 71°C.
Cobalt Sulphate
Cobalt Sulfate
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About the Author
The author, Sachin Mamulkar, is an experienced chemical engineer, R&D for cosmetology and consultant in private label production. For more information on Cobalt Sulphate visit asiantradelinkindia.com