Bioscience

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Silica gel is an amorphous and porous form of silicon dioxide (silica), consisting of an irregular tridimensional framework of alternating silicon and oxygen atoms with nanometer-scale voids and pores. The voids may contain water or some other liquids, or may be filled by gas or vacuum. In the latter case, the material is properly called silica xerogel. Silica xerogel with an average pore size of 2.4 nanometers has a strong affinity for water molecules and is widely used as a desiccant. It is hard and translucent, but considerably softer than massive silica glass or quartz; and remains hard when saturated with water.

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Sigma Aldrich USA importer
good range
100% pure
Sigma-Aldrich is a leading Life Science and High Technology company. Our products are used worldwide to enable science that improves the quality of life.

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silica gel

Silica gel is an amorphous and porous form of silicon dioxide (silica), consisting of an irregular tridimensional framework of alternating silicon and oxygen atoms with nanometer-scale voids and pores. The voids may contain water or some other liquids, or may be filled by gas or vacuum. In the latter case, the material is properly called silica xerogel. Silica xerogel with an average pore size of 2.4 nanometers has a strong affinity for water molecules and is widely used as a desiccant. It is hard and translucent, but considerably softer than massive silica glass or quartz; and remains hard when saturated with water.

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• Production Capacity: 1
• Delivery Time: ready stock

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By utilizing our years of experience, we bring forth a qualitative array of Proteose Peptone. Used for production of bacterial toxins, and for the cultivation of bacteria, the offered proteose peptone is highly acknowledged in the market for its accurate composition & quality.

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We are an organization engaged in offering Dimethyl Sulfoxide at most economical rates.

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• Port of Dispatch: chennai
• Delivery Time: 1week

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The commercial balance or net exports (sometimes symbolized as NX), is the difference between the monetary value of exports and imports of output in an economy over a certain period, measured in the currency of that economy. It is the relationship between a nation's imports and exports. A positive balance is known as a trade surplus if it consists of exporting more than is imported; a negative balance is referred to as a trade deficit or, informally, a trade gap. The balance of trade is sometimes divided into a goods and a services balance.

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We have gained huge appreciation in providing a quality gamut of Hand Refractometers to our esteemed clients. These instruments are obtained from the well-known vendors, who make use of optimum grade raw material and components. Our instruments have got a wide usage in food & beverage industry for controlling and monitoring the sugar concentrations of products.

 

The instruments offered by us are widely appreciated in the market for the following features

• High accuracy & performance
• Dimensionally accurate
• Robust construction

Specifications

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penetrometer For cement
For fast evaluation of the initial setting of concrete. It can be used on light weight concrete, special roof deck mixes and concrete additives. Consists of a needle and graduated at a distance of 25 cm. The needles point is an integral part of barrel which houses a calibrated spring. The spring is confined in a sleeve. The resistance offered by the concrete mortar is shown on the direct reading scale with a marker ring which holds its position when released. Scale range 2i s 0-50 kg/cm when the penetration resistance reaches a value of 23 5kg/cm the concrete is assumed initially set. Supplied complete carry case.

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• Port of Dispatch: chennai
• Delivery Time: 3 days

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iodine Iodine is the fourth halogen, being a member of group 17 in the periodic table, below fluorine, chlorine, and bromine; it is the heaviest stable member of its group. (The scarce and fugitive fifth halogen, the radioactive astatine, is not well-studied due to its expense and inaccessibility in large quantities, but appears to show various unusual properties due to relativistic effects.) Iodine has an electron configuration of [Kr]4d105s25p5, with the seven electrons in the fifth and outermost shell being its valence electrons. Like the other halogens, it is one electron short of a full octet and is hence a strong oxidising agent, reacting with many elements in order to complete its outer shell, although in keeping with periodic trends, it is the weakest oxidising agent among the stable halogens: it has the lowest electronegativity among them, just 2.66 on the Pauling scale

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• Production Capacity: 1