Complaint
Tartaric acid is a naturally occurring organic acid that is found in various plants, particularly in grapes. It is a dicarboxylic acid, meaning it has two carboxyl groups (-COOH). The acid is named after tartar, a sediment that forms on the insides of wine barrels during the fermentation of grape juice. Tartaric acid plays a significant role in the fermentation process of grapes and is a key component in the production of wine.
Chemically, tartaric acid has the molecular formula C4H6O6, and its structure includes four carbon atoms, six hydrogen atoms, and six oxygen atoms. The acid is often used in the food and beverage industry as an acidulant, providing a sour taste. Apart from its use in winemaking, tartaric acid is also used in baking powders to activate the leavening agent and prevent the formation of crystals in sugar syrups.
Tartaric acid has several isomers, including d-tartaric acid and l-tartaric acid, which are optically active and exist in mirror-image forms. These isomers have different optical properties and can be separated from each other. Overall, tartaric acid is a versatile compound with various applications in both the culinary and industrial fields.
Testing Item | Standard | Result |
Characters | White crystalline powder | White crystalline powder |
Content (on dry basis) (%) | ≥99.5 | 99.71 |
Sulphate (SO4) (%) | ≤0.04 | <0.04 |
Heavy metals (pb) (%) | ≤0.001 | <0.001 |
Arsenic (As) (%) | ≤0.0002 | <0.0002 |
Oxidable matter (%) | passed | passed |
Loss on drying (%) | ≤0.5 | 0.38 |
Residue on ignition (%) | ≤0.1 | 0.06 |
Melting point (ºC) | 200~206 | 205 |
Note: Special requirements of particle size should be negotiated by both suppliers and customers | ||
Our team:
Q1: How long does it take on average to develop a sample?
A: Generally, samples will be finished within 1-3 working days after received your sample fee.
Q2: What is the production time?
A: Production time are different from different products, the production time is 15-20 days after sample approval and receiving your deposit.
Q3: What is the payment terms?
A: Normally, we accept 30% deposit and the balance by B/L copy. Of course it is negotiated for some special orders, we can also accept D/P at sight and L/C at sight.
Q4: What is the minimum qty ?
A: 1000KGS or 5Tons according to different products.
Q5: Can I visit your factory ?
A: We warmly welcome customers visit us. Before you come here, please kindly tell me your schedule, we can arrange specialized salesman to guide you.
Q6:Can we use our own shipping agent?
A: Yes, you can. We had cooperated with many forwarders. If you need, we can recommend some forwarders to you and you can compare the price and services.
Q7: What is your main market?
A: We have most market relationships including Germany, Canada, USA, Unite Kingdom, Netherland, Russia, France, South Africa, etc.
Q8:Do you accept sample order or trial order?
A: Yes, welcome to place a sample order or trial order. we are very glad to form a business relationship with you.
