What is Borosilicate Glass beads and How they are formed? | Alpha Nanotech

Borosilicate glass beads are the primary preference of material worldwide for immobilising both HLW and low and intermediate level waste. This selection is based on the flexibility of borosilicate glass with regard to waste loading and the capability to incorporate numerous different kinds of waste elements, coupled with good glass-forming capability, chemical sturdiness, and mechanical integrity, as well as excellent thermal and radiation stability.

The main components of Chemical laboratory glass beads is SiO2 with relatively high B₂O₃, Cao, MgO, Na₂O, and Al₂O₃Contents and minor amounts of numerous other oxides.

Borosilicate Glass Beads

Which is the Main Borosilicate Glass Beads forming element?

Silicon is the chief glass forming constituent in a borosilicate waste glass and its basic elements are SiO4 tetrahedra, which encompass bridging or cross linking and non-bridging atoms of oxygen.

In a silicate glass the SiO4- tetrahedral vertices connect these elements to each other through bridging oxygen atoms so that network consists of chains of various lengths. The glass networks are not regular as in the case of crystalline silica; for instance, the bond angle Si-O-Si can range from 120 degree to 180 degree while in quartz it is a constant.

Silicon and oxygen generally have coordination numbers of six and higher, form weaker bonds to oxygen than the network formers and act to charge-balance the negatively charged borosilicate or else glass borosilicate network.

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Silicon Thermal Oxide Wafer: Must-Know Specifications | Alpha Nanotech

Thermal oxidation is the result of exposing Silicon thermal oxide wafer to a combination of oxidizing agents and heat to make a layer of silicon dioxide. This layer is most commonly made with hydrogen and oxygen gas, although any halogen gas can be utilized.

Silicon dioxide growth takes place on SiO2 thermal oxide wafers in ambient air to about 20 angstroms thick; however, for most specifications thermal oxide growth uses a heat source in order to catalyze this reaction and create oxide layers up to 25000 Angstorms.

There are numerous applications for thermal oxidation on silicon wafers, and both require growth of oxygen on the surface of the water. This differs from CVD applications, where the oxide layer is deposited on top of the wafer.

Silicon Thermal Oxide Wafer

Growth rate of silicon thermal oxide wafer

The preliminary growth of the oxide is limited by the rate at which the chemical retort takes place. After the first 100 to 300 Angstroms of oxide has been produced, the growth rate of oxide layer will be limited principally by the rate of diffusion of the oxidant through the oxide layers.

Specifications

·         The thickness range of Silicon thermal oxide wafers 500Angstroms

·         Thickness tolerance is targeted at +/-5 %

·         Within wafer uniformity is +/-3% or better

·         Wafer to wafer uniformity is +/-5% or better

·         Wafers size are 50mm, 100mm, 125mm, 150mm, 200mm

·         Wafer thickness is 100nm to 2000nm

·         Temperature ranges from 950 degree Celsius to 1050 degree Celsius

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How to select UV VIS Fluorescence Cuvette? Essential tips to know!

Selecting UV vis fused fluorescence cuvette can be tricky, Not all cuvette material will work for every experiment, so some basic guidance is required. This blog post will walk you through what important factors you should consider while buying a UV vis Cuvette.

UV vis fused fluorescence cuvette

Cuvette Material Breakdown

Now the most imperative factor when looking for quartz cuvettes is the Cuvette material. There are numerous different materials that a cuvette can be made from. The four most popular cuvette materials are listed below:

·         Optical glass or pyrex glass

·         UV quartz

·         IR Quartz

·         Sapphire

Each of these materials or substances has their strength as well as weaknesses. Again depending on your uses will determine which one of the above are best. Fluorescence is the most basic cuvette for UV vis measurements. The cell has all four windows polished and comes in the UV grade quartz.

Features

·         Crafted from UV Fused Fluorescence quartz for the 200nm – 3 nm wavelength range

·         Versions with two or four polished windows for spectroscopy use

·         Available with PTFE top caps or air tight stoppers

Our cuvettes are high-quality cells designed to hold liquids samples. The UV fused quartz glass construction allows these cuvettes to be used with UV light at wave length as low as 200 nm, as well as with visible and infrared light upto 3 nm. We at Alpa Nanotech offer UV vis cuvettes with either two polished sides or four polished sides. If you want to buy those durable UV Vis Cuvettes, visit us now!

Silicon Wafer: what is the Purpose behind using them for reseacrh | Alpha Nanotech

It is probable that most people have come across and even used silicon wafer in their day to day lives. It may not have been deliberate; however, for people who have used devices such as computers and smartphone, they have certainly used this equipment.

Silicon Wafer! What is it?

Prime-grade silicon substrate is a material used for producing semiconductors, which can be found in all types of electronic devices that perks up the lives of people. Silicon comes second as the most common element in the universe; it is mostly used as a semi-conductor in the technology and electronic sector.

Most individual have had the opportunity to encounter a real silicon wafer in their life. The super-flat desk is refined to a mirror-like surface. It is also made of subtle-surface irregularities which make it the flattest object globally.

Silicon Wafer

It is also extremely clean, free of pollutions and micro-particles, qualities that are essential in making it the perfect substrate materials of the contemporary semi-conductors. There are various methods utilized in silicon fabrications counting the horizontal gradient freeze process, vertical Bridgeman method and the pulling method.

All through the growth process dopants can be included to amend the purity of the silicon wafer depending on its manufacturing purpose. The pollutants can alter silicon electronic properties which are essential depending on the reason of its production.

Some of the silicon dopants that can be added throughout the growth procedure include aluminium, boron, nitrogen, indium, and gallium. A semi-conductor can be regarded as either deteriorates depending on the level the silicon wafer was, when the dopants were added.  Visit Alpha Nanotech to obtain supreme quality research material.

Silicon Dioxide Nanoparticles: What Type of applications are they involved in?

Silicon Dioxide Nanoparticles, also known as silica Nanoparticles, are capable for biological applications owing to their excellent biocompatibility, low toxicity, thermal stability, facile synthetic route, and large-scale synthetic accessibility.

The particle size, porosity, and shape can be accurately manipulated, enabling the Silica Nanoparticles permit their control of surface chemistry to accomplish drug loading, good dispensability, as well as site-specific targeting.

If these properties combined and developed appropriately, make silicon nanoparticles a podium for biomedical imaging, detecting therapeutic delivery, monitoring, and ablative therapies. With the design of different dopants, surface functional groups, as assembly techniques, multifunctional nanoparticles developed with the theranostic applications. Silica Nanoparticles are also widely applied in other areas such as energy source, electronic, sensor, and catalysis purposes.

Silicon Dioxide Nanoparticles

Properties of Silica Nanoparticles

Silica nanoparticles are divided into two categories based on their categories i.e. P-type and S-type. The previous nanoparticles are characterized by many nanopores featuring a pore rate of 0.61 ml/g and the latter nanoparticles have a relatively smaller surface area. In distinction to the S-type, the P-type silica nanoparticles patent a higher ultraviolet reflectivity.

The Silica Nanoparticles are fabricated via the condensation of silanes to form nanoparticles composed of an amorphous arrangement of silicon and oxygen. The nanoparticles are monodispere with high steadiness, and the nanoparticles have the narrow size distributions. The density of the nanoparticles is approximately two g/cm- 3 slightly affected by the degree of condensation. The refractive index of nanoparticles is determined to be 1.43. The nanoparticles are well dispersed in polar solvents like water and ethanol.

Looking out for superior-quality Silica Nanoparticles? Choose to buy from Alpha Nanotech. We strive to deliver high-quality research material at an affordable price.

Must-know Features of 316 stainless steel lysing beads | Alpha Nanotech

Stainless steel disruption beads are mostly used for grinding leaves and seeds. The beads impact the sample, ultimately breaking it down on the cellular level releasing sub-cellular contents.

They are made up of 316 stainless steel lysing beads which are widely renowned as corrosion resistant. Disruption beads are designed to rapidly homogenize small samples in disposable tubes with the aid of grinding beads.

Stainless steel leasing beads work physically by moving tubes, samples, and grinding beads, in an oscillating motion several thousand times per minute.

316 Stainless Steel Lysing Beads

Features of Stainless steel beads:

·      High exactitude stainless steel lysing beads ideal for various laboratory applications and for most of the lysing blenders and homogenizers

·         The three-hundred sixteenquality stainless steel that is highly defiant to acid, base, or other harsh chemical environments                                                                                                                    

·         These stainless steel disruption beads are highly spherical with no irregular shapes or else defects

·         They have polished surfaces with no dirty spots and scratches

·         500 gram per package unless specified otherwise

·         Our stainless steel disruption beads are packed in centrifuge  tubes as well as sheltered with thick bubble wraps for transportation and passed one-meter drop test

·         The stock sizes of beads are 1 mm, 3 mm, 5 mm, and 7 mm; customize size are also obtainable for all other sizes below 1 mm and above 7 mm                                                                                  

If you have been searching for the highest quality Stainless beads at an affordable price, consider buying from Alpha Nanotech. Please visit our official website to check out what we have for you.

Top Must-know Uses of Agate Mortar and Pestle | Alpha Nanotech

Some types of equipments have unique feature which have wide utility in diverse fields. One such kind of paraphernalia has set of paired tools, bowl cup-shaped structures with a rod are known as agate Mortar and pestle. 

The rich working surface enables the effective use of chemical laboratory mortar and pestle. Considering the working of mortar and pestle, both of its parts have their own unique properties which work co-ordinately with each other in an effectual manner. Mortar is an octagonal face, polished bowl shape, as well as deep molded base while pestle is cylindrical and oversized in lower portion.

Agate Mortar and Pestle

Considering each type of mortar and pestle, the grey agate mortar pestle maintains the purity of the sample as well as its texture. It is preferable to apply in manual handy processes to crush ingredient which has hardness less than seven. This makes it more suitable for pharmacy field and the glass one is suitable for mixing of the colourful substances or components.

The mortar and pestle made up of wood are appropriate for group cooking and the regular build up of flavours. Mortar and pestle of ceramics are highly right for brushing and maintaining desired ingredient flavours.

The use of mortar and pestle in chemistry laboratory is to grind, mesh or crush various ingredients. One of the main uses of mortar and pestle is to transform ingredients into fine powder and paste.

If you looking out for Mortar and pestle for your chemistry laboratory applications, consider buying from Alpha Nanotech. We are the largest online destination to deal with various laboratory equipments.