ProductsCalcium OxalateCalcium Oxalate
Introduction
Calcium Oxalate (in archaic terminology, oxalate of lime) is a chemical compound that forms envelope-shaped crystals, known in plants as raphides. A major constituent of human kidney stones, the chemical is also found in beerstone, a scale that forms on containers used in breweries. Its chemical formula is CaC2O4 or Ca (COO)2
Synonyms
Molecular Formula
Molecular Weight
CAS Number
EINECS Number: 205-126-1
HS Code: 29171100
Calcium Oxalate is a white, crystalline powder that is odorless and tasteless. It is insoluble in water but soluble in mineral acids.
Physical Analytic Results
- Purity: ≥ 99%
- Moisture Content: ≤ 0.5%
- pH (10% solution): 6.5 – 7.5
- Bulk Density: 0.8 – 1.0 g/cm³
Typical Certificate of Analysis (COA)
The product meets the following specifications:
- Assay: ≥ 99%
- Loss on Drying: ≤ 0.5%
- Heavy Metals (as Pb): ≤ 10 ppm
- Arsenic (As): ≤ 3 ppm
Heavy Metals Report
The heavy metals content in Calcium Oxalate is strictly controlled to ensure safety. The product complies with international standards for heavy metal limits.
Comparison with Related Items
Calcium Oxalate is superior to related items due to its high purity, consistent quality, and cost-effectiveness. Below is a comparison table highlighting its advantages:
| Parameter | Calcium Oxalate | Related Item A | Related Item B |
| Purity | ≥ 99% | 95% | 97% |
| Cost | Economical | Moderate | High |
| Heavy Metals | ≤ 10 ppm | ≤ 20 ppm | ≤ 15 ppm |
| Applications | Versatile | Limited | Moderate |
Why It Is Better and Economical
Calcium Oxalate offers superior quality at a competitive price. Its high purity and compliance with international standards make it a preferred choice for various industries. Additionally, its cost-effectiveness ensures better value for money compared to related items.