Description
| Item |
Unit |
BP |
USP |
FCC |
E330 |
GB1886.235-2016 |
Ours |
| Characters |
/ |
White Crystalline Powders,Colorless Crystals or Granules.Odorless, has a strongly acid taste. |
| Identification |
Pass Test |
|
| Color & Clarity of Solution |
/ |
Pass Test |
Pass Test |
/ |
/ |
/ |
Pass Test |
| Assay |
% |
99.5-100.5 |
99.5-100.5 |
99.5～100.5 |
≥99.5% |
99.5-100.5 |
99.5-100.5 |
| Water |
% |
7.5-9.0 |
7.5-9.0 |
≤8.8 |
≤8.8 |
7.5-9.0 |
7.5-8.8 |
| Readily Carbonisable Substances |
/ |
Not Darker than Standard |
Not Darker than Standard |
A≤0.52，T≥30% |
Not Darker than Standard |
≤1.0 |
Not Darker than Standard or A≤0.52，T≥30% |
| Sulphated Ash |
% |
≤0.1 |
≤0.1 |
≤0.05 |
≤0.05 |
≤0.05 |
≤0.05 |
| Sulphate |
ppm |
≤150 |
≤150 |
/ |
/ |
≤150 |
≤50 |
| Chloride |
ppm |
/ |
/ |
/ |
/ |
≤50 |
≤5 |
| Oxalate |
ppm |
≤360 |
≤360 |
≤100 |
≤100 |
≤100 |
≤50 |
| Calcium |
ppm |
/ |
/ |
/ |
/ |
≤200 |
/ |
| Aluminum |
ppm |
≤0.2 |
≤0.2 |
/ |
/ |
/ |
≤0.2 |
| Arsenic |
ppm |
/ |
/ |
/ |
≤1 |
≤1 |
≤0.1 |
| Lead |
ppm |
/ |
/ |
≤0.5 |
≤0.5 |
≤0.5 |
≤0.1 |
| Mercury |
ppm |
/ |
/ |
/ |
≤1 |
/ |
≤0.1 |
| Heavy Metals |
ppm |
/ |
/ |
/ |
/ |
/ |
≤5 |
| Bacterial Endotoxins |
IU/mg |
＜0.5 |
Pass Test |
/ |
/ |
/ |
＜0.5 |
| Tridodecylamine |
mg/kg |
/ |
/ |
≤0.1 |
/ |
/ |
/ |
Citric acid is a weak organic acid that occurs naturally in citrus fruits, particularly in lemons and limes.
Here are some key characteristics and uses of citric acid:
- Chemical Formula: The chemical formula of citric acid is C6H8O7.
- Physical Properties:
- appears as a white, crystalline powder.
- It is highly soluble in water.
- Natural Sources:
- Citrus fruits like lemons, limes, oranges, and grapefruits are rich natural sources of citric acid.
- It can also be found in some berries and other fruits.
- Flavor Enhancer:
- Citric acid is commonly used as a food additive to enhance the flavor of beverages and foods. It provides a sour or tart taste.
- Preservative:
- Due to its acidic nature, citric acid acts as a preservative and can help prevent spoilage in various food and beverage products.
- Acidulant:
- It is widely used as an acidulant in the food and beverage industry to regulate acidity and pH levels.
- Cleaning Agent:
- Citric acid is used in household cleaning products due to its ability to remove mineral deposits, lime scale, and soap scum.
- Cosmetic and Pharmaceutical Applications:
- It is employed in the cosmetic and pharmaceutical industries for its properties as a chelating agent and pH adjuster.
- Health Considerations:
- In moderate amounts, citric acid is generally considered safe for consumption. It is even naturally present in the human body as part of metabolic processes.
- Some individuals may be sensitive or allergic to citric acid, and excessive consumption should be avoided.
- Industrial Uses:
- Beyond the food and beverage industry, citric acid is used in various industrial applications, including water softening, metal cleaning, and as a component in the production of certain chemicals.
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