Buffer Cleaner
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Gold precipitate from aqua regia solution using hydroquinone. It was so simple and attaining 99.99% purity after firing was an incredible delight. Refining the silver chloride left over from the solution was a little more of a chore but I got to within 80%.
Physical state and appearance | Snow White Crystalline MaterialOff White / White Crystalline Material | |
Formula | CH3COONa,3H2O | |
Odour | Odourless to acetic (Slight.) | |
Molecular Weight | 136.08 | |
ASSAY, MIN | 98 - 99% | |
CAS NO | 6131-90-4 | |
pH (1% soln/water) | 7.5 - 9 | |
Melting Point | 324°C (615.2°F) | |
Specific Gravity | 1.528 (Water = 1) | |
Solubility | Easily soluble in cold water, hot water. |
Physical state and appearance: Solid. (Granular, crystalline powder.)
Odor: Odorless to acetic (Slight.)
Taste: Not available.
Molecular Weight: 82.03 g/mole
Color: Colorless. White.
pH (1% soln/water): 11 [Basic.]
Boiling Point: Not available.
Melting Point: 324°C (615.2°F)
Critical Temperature: Not available.
Specific Gravity: 1.528 (Water = 1)
Vapor Pressure: Not applicable.
Vapor Density: Not available.
Volatility: Not available.
Odor Threshold: Not available.
Water/Oil Dist. Coeff.: Not available.
Ionicity (in Water): Not available.
Dispersion Properties: See solubility in water.
Solubility: Easily soluble in cold water, hot water.
Specification :
Form | : Free-flowing crystalline powder |
Colour | : White |
Odour | : Odourless |
Assay as KIO3 (on dry basis | : 99.0 – 101.0% |
Iodide as I | : 0.002% Max. |
Sulfates as SO4 | : 0.02% Max. |
Bromate, Bromide, Chlorate & Chloride | : 0.01% Max. |
Matter Insoluble in water | : 0.1% Max. |
pH of 5% aqueous solution | : 6-8 |
Heavy Metal as Pb | : 4 ppm Max. |
Arsenic as As | : 3 pmm Max. |
Iron as Fe | : 10 ppm Max. |
Loss on Drying | : 0.5% Max. |
As additional criteria, the particle size for KIO3 must be minimum 95% below 500 μm (USP 35)
Physical Properties :
Characteristics | : Specification |
Bulk Density (approx.) | : 2.1 gm/cc |
Particle Density | : 3.9 gm/cc |
Solubility (approx.) | : 9.3 gm in 100 ml water at 25o C |
Microbiological :
Characteristics | : Specification |
Standard Plate Count | : 10 cfu/g Max. |
Coliform Count | : 10 cfu/g Max. |
Detection of Salmonella |
: 9.3 Absent /25 g |
Potassium iodate is an oxidizing agent and as such it can cause fires if in contact with combustible materials or reducing agents.
Potassium Iodate is widely used for salt iodisation in many developed and under developed countries as source of iodine.
Tablet of Potassium Iodate is widely used at the time of Nuclear Radiation
Potassium Iodate is widely used as a Laboratory Reagent.
Potassium Iodate is also used in Cattle Feed as a source of Iodine.
Zinc Gluconate
Specification | |
Characteristics | White Powder |
Identification | A;B |
Assay | 97.0~102.0% |
Water | ≤11.6% |
Chloride | ≤0.05% |
Sulphate | ≤0.05% |
Arsenic | ≤3ppm |
PH | 5.5~7.5 |
Reducing Substances | ≤1.0% |
Cadmium | ≤5ppm |
Lead | ≤10ppm |
Organic Volatile Impurities | Conform |
Particle Size |
≥95% pass 60mesh |
zinc supplements were effective at enhancing both short-term and long-term blood sugar control in people with diabetes
MAGNESIUM OXIDE
spcification
Screen residues(75µm) % 0.01 0.5 max
Moisture % 0.6 0.1 max
Ignition loss % 5.4 8..0 max
Soluble matter in water % 0.9 1.5 max
Insoluble matter in HCL % 0.01 0.2 max
Ferric oxide and alumina % 0.10 0.3 max
Magnesium oxide % 97.9 97.0 min
bulk density g/mL 0.59 0.45-0.65
BET specific surface area m2/g 129 120min
Handling manganous oxide is hazardous by inhalation to the user/worker. In the absence of adequate data, the additive should be considered as a potential skin and eye irritant and as a dermal sensitiser.
Other Valuable Iodine and its derivative products :
Sr. No.Product Name CAS Number EC Number
1.3-5 – Di Iodosalicylic Acid 133-91-5 205-124-0
2.Aluminium Iodide 7784-23-8 232-054-8
3.Ammonium Iodide 12027-06-4 234-717-7
4.Arsenic Iodide 7784-45-4 232-068-4
5.Barium Iodide 13718-50-8 237-276-9
6.Barium Mercuric Iodide 10048-99-4 231-831-9
7.Cadmium Iodide 7790-80-9 232-223-6
8.Calcium Iodate 7789-80-2 232-191-3
9.Calcium Iodide 10102-68-8 233-276-8
10.Clioquinol 130-26-7 204-984-4
11.Copper Iodide 7681-65-4 231-674-6
12.Cuprous Mercuric Iodide 13876-85-2 237-634-4
13.Ethyl Iodide 75-03-64 232-191-3
14.Ethylenediamine Dihydroiodide 1774-47-6 231-442-4
15.Hydriodic Acid 57% 10034-85-2 233-109-9
16.Iodic Acid 7782-68-5 231-962-1
17.Iodine 7553-56-2 231-442-4
18.Iodine Monochloride 7790-99-0 232-236-7
19.Iodophor 111453-42-0
20.Iohexol 66108-95-0 266-164-2
21.Lithium Iodide 10377-51-2 233-822-5
22.Magnesium Iodide 10377-58-9 233-825-1
23.Mercuric Iodide 7774-29-0 231-873-8
24.Methyl Iodide 7553-56-2 200-819-5
25.Periodic Acid 10450-60-9 233-937-0
26.Potassium Iodate FCC 12027-06-4 231-831-9
27.Potassium Iodide 7681-11-0 231-659-4
28.Potassium Mercuric Iodide 7783-33-7 231-990-4
29.Potassium Metaper Iodate 7790-21-8 232-196-0
30.Potassium Tri Iodide Monohydrate12298-68-9 235-567-5
31.Povidone Iodine 25655-41-8 215-034-3
32.Sodium Metaper Iodate 7790-28-5 232-197-6
33.Sodium Iodate 7681-55-2 231-672-5
34.Sodium Iodide 7681-82-5 231-679-3
35.Tetra Butyl Ammonium Iodide 311-28-4 206-220-5
36.Tetra Ethyl Ammonium Iodide 68-05-3 200-676-9
37.Tetra Methyl Ammonium Iodide 75-58-1 200-881-3
38.Tri Methyl Sulphonium Iodide 2181-42-2 218-555-4
39.Tri Methyl Sulphoxonium Iodide 1774-47-6 217-204-2
40.Zinc Iodide 10139-47-6 233-396-0