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VERIFIED
Sep-06-22
Alums

Alums

$1 - $10.00K
MOQ: 200  Kilograms
Sample Available
  Hainan Yanghang Industrial Co., Ltd
Supplier From Haikou, Hainan, China
Supplier Of Alum
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Chemical formula KAl(SO ) 12HO
Molecular weight 474.388399
CAS 7784-24-9
EINECS 233-141-3
melting point 92
boiling point 330
appearance Colorless cubic crystal
Feb-03-25
Alum Powder

Alum Powder

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MOQ: Not Specified
  Shivay Export
Supplier From Ahmedabad, Gujarat, India
Supplier Of Alum   |   Preservatives   |   Ties
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Alum powder is a fine, white crystalline powder derived from aluminum sulfate compounds. It is widely used in water purification, food processing cosmetics, pharmaceuticals, and industrial applications. Below are the general specifications for alum powder:

Types of Alum Powder:

1. Potassium Alum Powder (KAl(SO)12HO) - Used in food, water treatment, and cosmetics

2. Ammonium Alum Powder (NHAl(SO)·12HO) - Used in industrial and textile applications

3. Sodium Alum Powder (NaAl(SO)12HO)-Used in baking powder and food processing

4. Ferric Alum Powder (FeAl(SO)12HO)- Used in water treatment and paper industries

Physical Properties:

Appearance: Fine, free-flowing powder

Color: White or colorless (ferric alum may appear yellowish)

Odor: Odorless

Taste: Astringent and slightly sweet

Mesh Size: 80-200 mesh (as per requirement)

Solubility:

Fully soluble in water

Insoluble in alcohol

pH (10% Solution): 3.0 - 4.5

Chemical Composition & Purity:

AlO (Aluminum Oxide): 15-18%

SO(Sulfate Content): 50-55%

FeO (Iron Oxide) (For Non-Ferric Alum): Max 0.01%

Water Insoluble Matter: Max 0.1%

Moisture Content: Max 5%

Purity: Min 99%

Microbiological Standards (For Food & Cosmetic Grade Alum Powder):

Total Plate Count: Max 10,000 CFU/g

Yeast & Mold: Max 100 CFU/g

Coliforms: <10 CFU/g

E. Coli & Salmonella: Absent

Contaminants & Adulterants:

Heavy Metals:

Lead (Pb): <0.2 ppm

Cadmium (Cd): <0.1 ppm

Arsenic (As): <0.1 ppm

Mercury (Hg): <0.05 ppm

Pesticide Residues: Not detected

Artificial Additives & Preservatives: Must be absent

Applications of Alum Powder:

Water Treatment: Used as a coagulant in purification processes

Food Industry: Used as a food additive (E522), in pickling, and baking powder

Cosmetics & Personal Care: Used in deodorants, aftershaves, and skin-tightening products

Pharmaceuticals & Ayurveda: Used as an antiseptic and astringent in medicines

Paper & Textile Industry: Used for sizing paper and as a mordant in fabric dyeing

Leather Industry: Used in tanning processes
Feb-03-25
Alum

Alum

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MOQ: Not Specified
  Shivay Export
Supplier From Ahmedabad, Gujarat, India
Supplier Of Alum   |   Pickles   |   Preservatives   |   Ties
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Alum is a group of hydrated double sulfates of aluminum and other elements such as potassium or ammonium. It is widely used in water treatment, food processing, cosmetics, and pharmaceuticals. Below are the general specifications for different types of alum:

Common Types of Alum:

1. Potassium Alum (KAl(SO)12O) - Used in water purification, food, and cosmetics

2. Ammonium Alum (NHAl(SO)12HO) - Used in industrial and water treatment applications

3. Sodium Alum (NaAl(SO)12HO) - Used in food processing and baking powder

4. Ferric Alum (FeAl(SO)12HO) - Used in water treatment and paper manufacturing

Physical Properties:

Appearance: White, transparent crystalline solid or powder

Color: White or colorless (can be slightly yellow in ferric alum)

Odor: Odorless

Taste: Astringent and slightly sweet

Solubility: Soluble in water, insoluble in alcohol

pH (10% Solution): 3.0 - 4.0

Chemical Composition & Purity:

AlO (Aluminum Oxide): 15-18%

SO (Sulfate Content): 50-55%

FeO (Iron Oxide) (For Non-Ferric Alum): Max 0.01%

Water Insoluble Matter: Max 0.1%

Moisture Content: Max 5%

Purity: Min 99%

Microbiological Standards (For Food & Cosmetic Grade Alum):

Total Plate Count: Max 10,000 CFU/g

Yeast & Mold: Max 100 CFU/g

Coliforms: <10 CFU/g

E. Coli & Salmonella: Absent

Contaminants & Adulterants:

Heavy Metals:

Lead (Pb): <0.2 ppm

Cadmium (Cd): <0.1 ppm

Arsenic (As): <0.1 ppm

Mercury (Hg): <0.05 ppm

Pesticide Residues: Not detected

Artificial Additives & Preservatives: Must be absent

Applications of Alum:

Water Treatment: Used in coagulation and flocculation for purification

Food Industry: Used as a food additive (E522) in pickles, baking powder, and cheese processing

Cosmetics & Personal Care: Used in deodorants, aftershaves, and skin tightening products

Pharmaceuticals & Ayurveda: Used in antiseptic and astringent medicines

Paper & Textile Industry: Used for sizing paper and as a mordant in dyeing fabrics
GOLD Member
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Supplier From Belgaum, Karnataka, India
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