Quick Lime, Calcium Oxide Pure & USP FCC Manufacturers, CaO |
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Calcium Oxide Quick Lime Manufacturers
MSDS of Calcium Oxide Quick Lime USP FCC Food grade Manufacturers
Calcium Oxide
Technical & Pure Quick Lime
IP Ph. Eur. USP AR LR FCC Food Grades
Available lime as CaO: >85%
Total Lime (Alkalinity): >92%
Silica: 1%
Magnesia as MgO (max)%: 1%
Metal Oxides as Fe2O3&Al2O3(max)%: 0.2%
Specifications of Calcium Oxide Powder:
Specifications
------- Premium --- Top
% Available lime CaO - 90±2 ------ >85
Acid insolubles % ---- 0.50(Max) - 0.8 (Max)
Magnesium as MgO % --- 0.80(Max) - 1.0 (Max)
R2O3 % --------------- 0.15(Max) - 0.15(Max)
Mesh (BSS) ----------- 300 ------- 300 -----
Lime or Quick Lime
CaO 56.08
Calcium oxide USP; Lime USP
Quick Lime, when freshly ignited to constant weight, contains not less than 95.0 percent of CaO, Calcium Oxide.
Identification—
A: Moisten it with
water: heat is generated, and a white powder is obtained (calcium hydroxide
or slaked lime). Mix the powder with 3 or 4 times its weight of water: a
smooth magma of lime forms that is alkaline to litmus.
B: Slake 1 g of
Lime or Calcium Oxide with 20 mL of water, and add 6 N acetic acid until the
lime is dissolved: the resulting solution responds to the test for Calcium.
Loss on ignition— Ignite a portion of Quick Lime or Calcium Oxide to constant weight in a
tarred
platinum crucible at 1100 ± 50 C it loses not more than 10.0% of its weight.
Insoluble substances— Slake 5.0 g of Quick Lime or Calcium Oxide, then mix with 100 mL of water,
followed by hydrochloric acid, drop wise, with agitation, until solution
takes place: the resulting solution after boiling and cooling is acid, and
when filtered through a tarred crucible, washed with water until free of
chlorides, and dried at 105 for 1 hour yields not more than 50 mg of
insoluble substances (1.0%).
Carbonate— Slake 1
g, mix with 50 mL of water, and decant the greater portion of the milky
liquid: the addition of an excess of 3 N hydrochloric acid to the residue
does not cause more than a slight effervescence.
Magnesium and alkali salts— Dissolve 500 mg in 30 mL of water and 15 mL of 3 N hydrochloric
acid. Neutralize the solution with 6 N ammonium hydroxide, heat to boiling,
and add ammonium oxalate TS to precipitate the calcium completely. Heat the
mixture on a steam bath for 1 hour, cool, dilute with water to 100 mL, mix,
and filter. To 50 mL of the filtrate add 0.5 mL of sulfuric acid, evaporate
to dryness, and ignite in a tarred platinum crucible to constant weight. The
weight of the residue does not exceed 9 mg.
Assay— Ignite about
1 g of Lime in a muffle furnace to constant weight, cool, weigh accurately, and dissolve in 20 mL of 3
N hydrochloric acid. Cool the solution, transfer to a 500-mL volumetric
flask with the aid of water, dilute with water to volume, and mix. Transfer
50.0 mL to a suitable container, add 100 mL of water, 15 mL of 1 N sodium
hydroxide, and 300 mg of hydroxy naphthol blue, and titrate with 0.05 M
edetate disodium VS until the solution is deep blue in color. Each mL of
0.05 M edetate disodium is equivalent to 2.804 mg of CaO.
Specifications of Calcium Oxide FCC Food Grade
Lime or Quick Lime
CaO Formula wt 56.08
INS: 529 CAS: [1305-78-8]
DESCRIPTION
Quick Lime or Calcium Oxide occurs
as hard, white or gray-white masses or granules, or as a white to gray-white
powder. One gram dissolves in about 840 mL of water at 25° and in about 1740 mL
of boiling water. It is soluble in glycerin but insoluble in alcohol.
Function: pH control
agent; nutrient; dough conditioner; yeast food.
REQUIREMENTS
Identification: Slake Quick Lime or Calcium Oxide 1 g of sample with 20 mL of water, and add glacial acetic
acid until the sample is dissolved. The resulting solution gives positive tests
for Calcium.
Assay: Not less than
95.0% and not more than 100.5% of CaO (Lime or Calcium Oxide ) after ignition.
Acid-Insoluble Substances: Not more than 1%.
Alkalies or Magnesium: Not more than 3.6%.
Arsenic: Not more than 3
mg/kg.
Fluoride: Not more than
0.015%.
Lead: Not more than 2
mg/kg.
Loss on Ignition: Not
more than 10.0%.
Quick Lime Calcium Oxide USP FCC IP Food Grade Manufacturers:
Muby Chem Ltd.
Toll manufacturing & Warehouse at Houston & Midland, Texas, USA and India
USA, Canada, Mexico Customers may e-mail: usa@mubygroup.com
Call 1-844-682-9243
Europe Africa Asia India Mumbai e-mail: info@mubygroup.com
Call +91-22-23774610
Suppliers Manufacturers Exporters Importers between USA Canada UAE Europe South Africa Tanzania Kenya
Uganda Egypt Nigeria Turkey Mexico Brazil Argentina Chile Dubai China India etc.
Copyright and Usual Disclaimer is Applicable.
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