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Alum – Food Grade

As a high-purity material, our food grade aluminum sulfate (alum) products meet all Food Chemicals Codex specifications.

DESCRIPTION

Food grade alum is available as dry and liquid products. Food grade liquid alum is a clear, colorless aqueous solution. Food grade dry alum is white in color and is available in powdered and ground forms.

Food Grade Dry Alum

Parameter
Food Chemicals Codex Requirements
Chemtrade Typical Analysis
Dry Alum Assay*
>88.7%
>99%
Alkalis and Alkaline Earths
About 0.4%
0.22% max.
Ammonium Salts
Passes Test
Passes Test
Fluoride
<0.003%
<0.0009%
Lead (Pb)
<3 ppm
<0.5 ppm
Selenium
<0.003%
<0.00005%
*as Al2(SO4)3•14H2O

Food Grade Liquid Alum

Parameter
Food Chemicals Codex Requirements Basis
Chemtrade Typical Analysis
Assay as Al2O3
-
8.0 – 8.2%
Alkalis and Alkaline Earths
About 0.22%
0.11% max
Ammonium Salts
Passes Test
Passes Test
Fluoride
<0.0015%
<0.0005%
Lead (Pb)
<1.5 ppm
<0.3 ppm
Selenium
<0.0015%
<0.00003%

Typical Uses

  • Pickles/Relish: Firming agent
  • Puddings: Anticaking and thickening agent
  • Soft Drinks/Beer: Remineralizes and clarifies water to help ensure uniform taste
  • Canning: pH control for beets, tomatoes, and other vegetables
  • Sugar beet liquors: Clarification
  • Wines/Liquors: pH control and colorant agent
  • Cake Mixes: Leavening agent
  • Cheeses: Curdling and thickening agent
  • Food Chemicals: Source of aluminum for such chemicals as sodium aluminum sulfate, aluminum stearate, and aluminum silicate

 

RELATED DOCUMENTS

SDS

Dry Alum (PDF)
Liquid Alum (PDF)

PRODUCT DATA SHEETS

(Available Soon)

NAFTA CERTIFICATES OF ORIGIN

Aluminum Sulfate (US) (PDF)
Aluminum Sulfate (Canada) (PDF)

 

Contact: WaterChem@chemtradelogistics.com

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