Citric acid is a weak organic acid having the chemical formula C6H8O7. Citric acid is found naturally in citrus fruits. In biochemistry, citric acid acts as an intermediate in the citric acid cycle.
Citric Acid is mainly used as acidulant, flavoring agent, preservative and antistaling agent in food and beverage industry, it is also used as antioxidant, plasticizer and detergent in chemical, cosmetics and cleaning industries.
NO. | ITEM | UNIT | BP98 | E330 | USP24 | FCC IV | ANALYSIS |
RESULT | |||||||
1 | CHARACTERISTICS | COLORLESS OR WHITE CRYSTAL |
COLORLESS OR WHITE CRYSTAL |
COLORLESS OR WHITE CRYSTAL |
COLORLESS OR WHITE CRYSTAL |
COLORLESSOR WHITECRYSTAL |
|
2 | IDENTIFICATION TEST |
PASS THE TEST |
PASS THE TEST |
PASS THE TEST |
PASS THE TEST |
PASS THE TEST | |
3 | CLARITY & COLOUR OF SOLUTION |
20% WATER SOLUTION CLARITY |
20% WATER SOLUTION CLARITY |
20% WATER SOLUTION CLARITY |
20% WATER SOLUTION CLARITY |
20% WATER SOLUTION CLARITY |
|
4 | ASSAY | % | 99.5-101.0 | 99.5-101.0 | 99.5-100.5 | 99.5-100.5 | 99.87 |
5 | MOISTURE | % | 7.5-9.0 | ≤8.8 | ≤8.8 | 8.62 | |
6 | SULPHATED ASH | % | ≤0.1 | ≤0.05 | ≤0.05 | ≤0.05 | 0.04 |
7 | SULPHATED | ppm | ≤150 | PASS THE TEST |
PASS THE TEST |
<30 | |
8 | OXALATE | ppm | ≤350 | ≤100 | PASS THE TEST |
PASS THE TEST |
<20 |
9 | CALCIUM | ppm | ≤200 | PASS THE TEST |
<10 | ||
10 | HEAVY METALS | ppm | ≤10 | ≤5 | ≤5 | ≤5 | <1 |
11 | IRON | ppm | <1 | ||||
12 | CHLORIDE | ppm | ≤50 | <5 | |||
13 | READILY CARBURETED SUBSTANCE |
STANDARD COLOUR |
STANDARD COLOUR |
STANDARD COLOUR |
STANDARD COLOUR |
LESS THAN STANDARD COLOUR |
|
14 | BARIUM | PASS THE TEST |
PASS THE TEST |
||||
15 | BACTERIAL ENDOTOXIN |
IU/mg | ≤0.5 | ≤0.5 | |||
16 | ALUMINIUM | ppm | ≤0.2 | ≤0.2 | |||
17 | ARSENIC | ppm | ≤1 | ≤3 | ≤3 | ≤0.1 | |
18 | MERCURY | ppm | ≤1 | ≤0.1 | |||
19 | LEAD | ppm | ≤1 | ≤0.5 | ≤0.5 | ||
20 | ORGANIC VOLATILE IMPURITY |
PASS THE TEST |
PASS THE TEST | ||||
21 | TRIDODECYLAMINE | ppm | ≤0.1 | ≤0.1 | |||
22 | U.V. RADIATION ABSORPTION VALUE |
ppm | PASS THE TEST |
PASS THE TEST | |||
23 | MANGANESE | ppm | ≤0.5 |