Chromium, chemical symbol Cr, simple substance is steel gray metal. Natural chromium in free form is extremely rare and mainly exists in chromium lead ore.
Physical properties of chromium
Chromium is a silver-white shiny metal, pure chromium is ductile, and chromium containing impurities is hard and brittle. The density is 7.20g/cm3. Soluble in strong alkali solution. Chromium has high corrosion resistance, and it oxidizes slowly in the air, even in the state of red heat. Insoluble in water. It can be protected by plating on metal.
In nature, it mainly exists in the form of chromite FeCr2O4. It is made by reduction of chromium oxide with aluminum, or made by electrolysis of chromium alum or chromic acid.
According to the content in the earth's crust, chromium is one of the most widely distributed elements. This may be because the natural compound of chromium is very stable, not easily soluble in water, and it is difficult to reduce.
What is Chromium used for?
Chromium can be used to make stainless steel. The colors of red and emerald also come from chromium. As the most important metal in modern technology, chromium-nickel steel fused with different percentages is ever-changing, and the variety is incredible.
The toxicity of chromium is related to its existing valence. Hexavalent chromium is 100 times more toxic than trivalent chromium, and is easily absorbed by the human body and accumulates in the body. Trivalent chromium and hexavalent chromium can be converted into each other.
Natural water does not contain chromium; the average concentration of chromium in seawater is 0.05ug/l; it is even lower in drinking water. The pollution sources of chromium include sewage discharged from the processing of chromium-containing ore, metal surface treatment, leather tanning, and printing and dyeing.
The physiological functions of chromium
Chromium is one of the essential trace elements in the human body. It plays a key role in maintaining human health and is an important element for normal growth and development and regulating blood sugar. The content of chromium in the human body is about 7 mg, which is mainly distributed in bones, skin, adrenal glands, brain and muscles.
The medical function of chromium
Control blood sugar levels Chromium is very important for blood sugar metabolism. It can improve the effect of insulin, allowing glucose to enter human cells for metabolism to produce energy. If you have diabetes or low blood sugar, you can use chromium to regulate glucose metabolism in the body.
Protect the cardiovascular system Chromium also plays an active role in increasing high-density lipoprotein (HDL, a lipoprotein that is beneficial to the human body) and reducing cholesterol levels, helping to prevent and improve arteriosclerosis and prevent cardiovascular diseases such as hypertension.
Weight control Chromium helps people reduce their cravings for sweets, helps reduce body fat content, increases lean muscle tissue, thereby helping to promote metabolism to maintain an ideal weight (the more lean muscle tissue, the higher the metabolic rate), it is very popular in diet foods welcome.
What is the harm of Chromium?
When chromium is lacking, it is easy to show glucose metabolism disorders. If this element is not supplemented in time, diabetes will be induced, coronary atherosclerosis will lead to cardiovascular disease, and serious complications such as cataracts, blindness and uremia will occur.
The harm of chromium to the human body
1. Harm to human skin: chromium compounds do not damage the intact skin, but when the skin is scratched and exposed to chromium compounds, it can cause harm.
2. Harm to the respiratory tract: Chromic rhinitis is a common respiratory occupational disease in contact with chromium salt.
3. Harm to eyes and ears: Eyelid and cornea contact with chromium compounds may cause irritation and ulcers. Symptoms are conjunctival hyperemia, foreign body sensation, tearing and tingling, and weakened vision. In severe cases, it can cause corneal epithelium to fall off.
4. Hazard to the gastrointestinal tract: Ingestion of hexavalent chromium compounds can cause thickening of the oral mucosa, edema, yellow crust formation, nausea and vomiting, sometimes with blood, severe abdominal pain, hepatomegaly, and severe circulatory failure and loss of consciousness, even death. Hexavalent chromium compounds are carcinogenic when inhaled and can cause lung cancer.
Note: The above content is for reference only! If you have similar symptoms, seek medical attention immediately!
What specimen can be detected by BALLYA Chromium Test?
Specimen include: all kinds of feed, grains, food and medicine. Widely used in feed industry and food processing industry. You can choose the right products according to your needs.
Significance of testing Chromium
To protect the animal have health feed, food, seafood and medicine, avoid contaminated food. The excess chromium is harmful for animal being, can’t take too much in the body.
1. Take some feed or food specimen 2. Add the supernatant to cassette 3. Wait for 15 minutes to result 4. The details of operation, refer to the kit instruction
Limitations of BALLYA Chromium Test?
BALLYA Chromium Test is a qualitative test kit. It’s only for screening purpose. If have positive cases or suspected case, maybe use other detection method to make a further detection, such as, ELISA, PCR, qPCR, etc.
BALLYA Chromium Test is suitable for the detection of chromium residues in feed, grain, food and medicine. Simple operation, high accuracy and short detection time are the characteristics of this product.
It can be widely used in food and drug administration, health departments, higher education institutions, scientific research institutes, agricultural departments, animal husbandry and veterinarians, breeding farms, slaughterhouses, food and meat products deep processing enterprises, inspection and quarantine departments and other units.