Complaint
Citric acid is a weak organic tricarboxylic acid having the chemical formula C6H8O7. It occurs naturally in citrus fruits. In biochemistry, it is an intermediate in the citric acid cycle, which occurs in the metabolism of all aerobic organisms.More than a million tons of citric acid are manufactured every year. It is used widely as an acidifier, as a flavoring and chelating agent.
Because it is one of the stronger edible acids, the dominant use of citric acid is as a flavoring and preservative in food and beverages, especially soft drinks.Within the European Union it is denoted by E number E330. Citrate salts of various metals are used to deliver those minerals in a biologically available form in many dietary supplements. The buffering properties of citrates are used to control pH in household cleaners and pharmaceuticals. In the United States the purity requirements for citric acid as a food additive are defined by the Food Chemicals Codex, which is published by the United States Pharmacopoeia (USP).
Citric acid can be added to ice cream as an emulsifying agent to keep fats from separating, to caramel to prevent sucrose crystallization, or in recipes in place of fresh lemon juice. Citric acid is used with sodium bicarbonate in a wide range of effervescent formulae, both for ingestion (e.g., powders and tablets) and for personal care (e.g., bath salts, bath bombs, and cleaning of grease). Citric acid sold in a dry powdered form is commonly sold in markets and groceries as "sour salt", due to its physical resemblance to table salt. It has use in culinary applications, as an alternative to vinegar or lemon juice, where a pure acid is needed.
Citric acid can be used in food coloring to balance the pH level of a normally basic dye.
| Test Item | Unit | The Standard |
| Appearance | --- | White or almost white, crystalline powder or granular crystals. Slightly deliquescent in moist air. Freely soluble in water, practically insoluble in ethanol |
| Identification | --- | Pass test |
| Appearance of solution | --- | Pass test |
| Acidity or Alkalinity | Pass test | |
| Assay | % | 99.5-100.5 |
| Moisture | % | 11.0-13.0 |
| Readily Carbonisable Substances | % | 80Min. |
| Sulphate | PPM | 150Max. |
| Chlorides | PPM | 50Max. |
| Oxalate | PPM | 100Max |
| Iron | PPM | 5Max |
| Lead | PPM | 1Max |
| As | PPM | 1Max |
| Mercury | PPM | 1Max |
| Tartrate | -- | Pass test |
| Heavy Metals(as Pb) | PPM | 5Max |
| PH(5%w/v) | -- | 7.5-9 |
| Pyrogens | --- | Pass test |
1. Supply high quality products with a reasonable price.
2. Keep shipment in time, provide complete customers clearance documents as customs request.
3. Provide agile and safe payments.
4. We will responsible for all quality issue.
5. Share marketing informations with customers update price in time.
1. What's your payment terms?
T/T, D/P, L/C, O/A
2. What's your delivery time?
Usually we will arrange the shipment within 14 days.
3. How about the packing?
Usually with 25 kg bag/carton/drum.
4. How about the validity of the products?
Usually 2 or 3 years.
5. What documents you provide?
Usually, Commerical Invoice, Packing List, Country of Origin, Insurance Policy, Bill of loading, COA , Health certificate.
6. What is loading port?
Usually, Qingdao, Tianjin and Shanghai
