2020年4月8日星期三

Sodium Tungstate Diet Pills Are Becoming Possible

The metabolic syndrome is associated with increased obesity caused by a group of common metabolic disorder syndrome, the fundamental reason is the imbalance of body energy metabolism.

With the improvement of people's standard of living, when the body intake of excessive nutrition and energy use is reduced, the remaining nutrients are stored in the body in the form of fats and glycogen, and excessive fat storage causes obesity.

Obesity is the cause of many chronic conditions, it will significantly increase the incidence of diabetes, coronary heart disease, stroke, hypertension, hyperlipidemia and other morbidity and mortality. So far, only two drugs have been approved and accepted for obesity in FDA of the United States: Orlistat and Sibutramine. So people can lose weight better and control their appetites, but synthetic diet pills have side effects, such as headaches, anorexia and gastrointestinal reactions, and western medicine is expensive.

weight-reducing aid image

In recent years, researchers in China have discovered as a mineral element of "tungsten", it also has the effect of reducing blood lipids and blood sugar, a large number of studies have shown that tungsten form of tungstate has a strong role in weight loss and anti-diabetes. The body weight of obese rats induced by high calorie diet was significantly decreased, and the weight of the treated group was still lower than the control group even after a long period of withdrawal.

Tungsten is not the first trace element found to have the effect of fighting against metabolic syndrome, sodium vanadate, which is less toxic and highly bioavailable in clinical trials, is in line with the need for safety. In addition, sodium tungstate seems to be much better because sodium tungstate can reduce normal blood glucose levels in type I and type II diabetic patients without causing hypoglycemia.

Sodium tungstate will be a great weight loss medicine in the future, a large number of academic papers show that, both in terms of efficacy or safety, sodium tungstate exhibits a stable, moderate, and natural advantage that is better than western medicine. Therefore, the research and development of sodium tungstate diet pills has broad prospects.

If you have any inquiry of tungsten, please feel free to contact us:
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The Rebirth of Tungsten Tailings -- Glass Ceramics (2)

As we all know, the main raw material of glass is silica, namely quartz, the main raw material of ceramics is kaolin. Coincidentally, the main component of tungsten tailings is also silicon, and may be rich in other kaolin constituents.

In the eyes of scientists and technicians, most of the composition of tungsten tailings and glass ceramic raw materials are similar, do not need too complicated to deal with, can be processed into glass ceramic.

Some scholars have prepared glass ceramics by using tungsten tailings after magnetic separation to remove iron, by changing the temperature system in sintering process, the glass ceramics with better properties were obtained, and the crystallization kinetics of glass-ceramic during sintering was further explored.

glass ceramics image

The crystallization temperature is adjusted between 950~1100 °C, the results show that the main crystalline phases of glass ceramics are calcium feldspar and iron pyroxene. The crystalline phase number and grain size of glass ceramics increase with the increase of crystallization temperature. The crystal morphology is distributed from small to flaky. When the crystal phase is reheated again and the crystallization temperature is 1100 °C, a part of iron and calcium pyroxene changes into gehlenite. Based on the kinetic analysis of crystal growth, it is concluded that the crystalline structure of tungsten tailings glass ceramics is the best with the highest crystallization temperature of 1050 °C, which has the potential as a building material.

Moreover, with the development of tailings such as tungsten, iron, copper and so on, the cost of glass ceramics is greatly reduced. For two simple examples, our Corning glass for cell phone screens is wearable and scratch resistant and can withstand a collision resistance, because it's glass ceramics; Ceramic tile used for decoration, which is more wear-resistant and brighter than traditional glazed tiles, and also uses glass ceramics in glaze. The use of tailings benefits millions of households, and early Corning glass was used only for high-end mobile phones, but it is now standard for all smart phones; Early ceramic tiles cost one hundred or two hundred yuan each, and many prices have now been reduced by half.

Glass ceramics made tungsten tailings realize the magnificent turn from waste to important raw materials. It not only brings convenience to people's life, but also improves environmental pollution problems. In the 2010 long-range plan, the state has planned to focus on the development and environmental protection governance of glass ceramics as a national strategy for comprehensive utilization.

If you have any inquiry of tungsten, please feel free to contact us:
Tel.: +86 592 5129696/+86 592 5129595
Fax: +86 592 5129797

Scan QR code of Chinatungsten Wechat platform to follow up the daily latest price and market of tungsten, molybdenum and rare earth.

The Rebirth of Tungsten Tailings -- Glass Ceramics (1)

Tungsten tailings are the wastes left in the production of mines. China is a big producer of tungsten resources.

It is said that all large tungsten mines have a large number of tailings reservoirs, and the tailings reservoirs accumulated over several decades or even centuries have become too large to imagine. Some tailings which have reached the marginal grade can be extracted again, but most of the tailings are no longer meaningful. How to find a way out for these tailings?

Tailings treatment has always been a thorny problem in mining enterprises, not only copper and iron, tungsten ore also racking their brains for tailings to find a new way out, the most common tungsten tailings application is the manufacture of cement, tile. However, with the development of industrial technology, people found that it is a waste that tungsten tailings are used to make cement and bricks. In recent years, scientists have invented a material between ceramic and glass, which has remarkable function in the fields of electronics, architecture, biochemistry and so on, it is glass ceramics. Scientists also found that tungsten tailings are the most suitable raw materials for treating glass ceramics.

glass ceramics image

Glass ceramics, also called microcrystalline jade, is a polycrystalline material prepared by melting, quenching, and controlling crystallization. It concentrates on the three advantages of glass, ceramics and natural stone. Ordinary glass is brittle because of its irregular arrangement of atoms. Glass ceramics, like ceramics, are made up of crystals, with regular atomic arrangement, stronger toughness than glass, and higher brightness than ceramics, and are superior to natural stone in performance. In addition to the building curtain wall and interior high-grade decoration, it is also made into mechanical structural materials, electronic and electrical insulation materials, bottom material of large-scale integrated circuits, microwave oven heat crack ware, chemical engineering and anticorrosion materials and mines wear-resistant materials etc.. It is a new material with great prospects for development.

If you have any inquiry of tungsten, please feel free to contact us:
Tel.: +86 592 5129696/+86 592 5129595
Fax: +86 592 5129797

Scan QR code of Chinatungsten Wechat platform to follow up the daily latest price and market of tungsten, molybdenum and rare earth.

Barium Tungstate Thin Film Preparation by Galvanic Cell Electrochemical Method

Tungstate scheelite structure is a kind of important laser material. They are tetragonal structures at room temperature and emit blue light from the tungstate crystals under UV excitation.

The study shows that the structure of barium tungstate always keeps tetragonal structure from room temperature to melting (1820 K), indicating that it has good structural stability. In view of the superior properties of barium tungstate, barium tungstate thin films are often in short supply in the fields of luminescence and display technology, laser and photoelectron technology, and detection technology. In recent years, the electrochemical technology of galvanic cell has been used more and more in the field of preparation of inorganic functional films because of its advantages of one-step film forming, no post-processing and environmental coordination. Compared with electrolytic electrochemical technology, this technology has the advantage of zero energy consumption. Therefore, electrochemical deposition of galvanic cells is a new and environmentally compatible technique for the preparation of thin films.

barium tungstate thin film image

Barium tungstate thin films were prepared by galvanic electrochemical technique at room temperature. The purity of 99.9% and polished the metal tungsten film as working electrode, immersed in saturated barium hydroxide solution, Pt is used as auxiliary electrode and Ag / AgCl electrode as reference electrode to form primary battery system and sealed electrolytic cell. After the reaction has been completed, samples are removed and rinsed with deionized water several times to dry and to obtain barium tungstate thin films.

The study found that these films are highly crystalline, scheelite structure, and the element valence is also consistent with the theoretical value. Under the condition of primary cell, the quality of the film is obviously improved, and the micro crystal also tends to be regular square conical particles. Under the excitation of ultraviolet light, the barium tungstate thin film produces a blue emission band with a center at 460 nm and a half height of 140 nm. The results show that electrochemical deposition of galvanic cells provides a convenient, cheap and environmentally friendly process for the preparation of barium tungstate.

If you have any inquiry of tungsten, please feel free to contact us:
Tel.: +86 592 5129696/+86 592 5129595
Fax: +86 592 5129797

Scan QR code of Chinatungsten Wechat platform to follow up the daily latest price and market of tungsten, molybdenum and rare earth.