Products Sample Preparation Molds & Accessories XRF & KBR steel ring lab Powder Pellet Pressing Mold for FTIR
XRF & KBR steel ring lab Powder Pellet Pressing Mold for FTIR

Molds & Accessories

XRF & KBR steel ring lab Powder Pellet Pressing Mold for FTIR

Item Number : PMXS

Price varies based on specs and customizations


Material
Cr12MoV
Indenter hardness
HRC60-HRC62
Sample size
φ32 / φ40 mm
Cavity depth
45 mm
External dimensions
φ73×133 mm
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Applications

XRF steel ring lab Powder Pellet Pressing Mold is used for the molding of X-ray fluorescence spectrometer samples. The stainless steel ring is used as the support ring of the sample. The tableting speed is fast and the molding effect is good.

Special sizes press molds can be customized according to customer requirements.

Detail & Parts

XRF & KBR steel ring lab Powder Pellet Pressing Mold details

Sample preparation process and demolding process
Sample preparation process and demolding process

Technical specifications

Instrument model PMXS
Sample shape
Die material Alloy tool steel :Cr12MoV
Indenter hardness HRC60-HRC62
Sample size Φ32、Φ40mm (M)
Cavity depth 45m (N)
Dimensions Φ73*133mm(L*H)
Weight 3.2Kg
Diagram of hydraulic powder press size

Operation steps

The steel ring mold is a tool used for molding X-ray fluorescence spectrometer samples. It uses a stainless steel ring as the support for the sample and has a fast tableting speed with good results. The mold produces tablets with an outer diameter of 40mm, inner diameter of 32mm, sample size of 32mm, and a pressing thickness of 5-8mm. Custom sizes are available upon request.

Step 1:Assemble the mold according to the mold operation diagram and install the sample inside the cavity.

Step 1:Assemble the mold according to the mold operation diagram and install the sample inside the cavity.

Step 2: Place the mold in the center position of the tablet press and apply pressure to the required sample pressure.

Step 2: Place the mold in the center position of the tablet press and apply pressure to the required sample pressure.

Step 3: Assemble the mold according to the schematic diagram of the mold withdrawal process, place it in the tablet press, and use a screw to push the sample out of the mold sleeve.

Step 3: Assemble the mold according to the schematic diagram of the mold withdrawal process, place it in the tablet press, and use a screw to push the sample out of the mold sleeve.

Step 4: Remove the mold from the tablet press and gently remove the sample.

Step 4: Remove the mold from the tablet press and gently remove the sample.

Precautions for mold maintenance

To ensure accurate test results, clean the mold surface with dust-free paper before each use to avoid the anti-rust oil from affecting the sample. Avoid exceeding the maximum pressure when applying pressure. Clean the mold and samples after use to prevent corrosion. Apply anti-rust oil and store the mold in a dry environment if not used for a long time to prevent damage.

Step 1: Placing the Mold.

Step 1: Placing the Mold.

To begin, place the mold in the center of the tablet press. It is important to note that the maximum pressure of the mold cannot be exceeded when pressurized. This will prevent any damage to the mold and ensure accurate test results.

Step 2: Cleaning the Mold.

Step 2: Cleaning the Mold.

After each use, it is essential to clean the mold to prevent any contamination of the sample. Using dust-free paper, wipe the surface of the mold clean. If there are sample residues on the surface that cannot be removed, please do not use chemical reagents to clean and soak. This could potentially damage the mold and impact the accuracy of the test results.

Step 3: Applying Anti-Rust Oil.

Step 3: Applying Anti-Rust Oil.

If the mold is not used for an extended period, it is recommended to apply anti-rust oil on the surface of the mold to prevent rusting. This step will help prolong the life of the mold and ensure that it remains in good condition for future use.

Step 4: Storing the Mold.

Step 4: Storing the Mold.

Lastly, if the mold is not used for a long time, it needs to be stored in a dry environment. This will prevent any moisture from accumulating on the mold and causing damage.

Full range of lab press types

Full range of lab press types

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Full range of types of laboratory press molds

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If you need molds with special shapes, we can also customize them for you.

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Warnings

Operator safety is the top important issue! Please operate the equipment with cautions. Working with inflammable& explosive or toxic gases is very dangerous, operators must take all necessary precautions before starting the equipment. Working with positive pressure inside the reactors or chambers is dangerous, operator must fellow the safety procedures strictly. Extra caution must also be taken when operating with air-reactive materials, especially under vacuum. A leak can draw air into the apparatus and cause a violent reaction to occur.

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FAQ

What Is An FTIR Press Used For?

An FTIR press is primarily used for preparing samples for Fourier Transform Infrared Spectroscopy (FTIR). It compresses powdered materials into pellets, which are then analyzed to determine their chemical composition and structure.

What Types Of FTIR Presses Are Available?

There are several types of FTIR presses available, including handheld hydraulic presses for entry-level users, automatic lab pellet presses with varying tonnage capacities (e.g., 30T, 40T, 60T), and specialized molds for creating pellets with steel or plastic rings.

How Do You Prepare Pressed Pellets For XRF?

Pressed pellets for XRF analysis are prepared by grinding the sample to a fine particle size and mixing it with a binder or grinding aid. The mixture is then poured into a pressing die and compressed at a pressure of between 15 and 35T. The resulting pellet is ready for analysis. It is important to consider the particle size of the sample, choice of binder, sample dilution ratio, pressure used for pressing, and the thickness of the pellet when designing a sample preparation recipe. Consistency in the preparation procedure is key to ensuring accurate and repeatable results.

How Does An FTIR Press Work?

An FTIR press works by applying high pressure to powdered materials, compressing them into dense, uniform pellets. This process ensures that the pellets are suitable for FTIR analysis, providing accurate and consistent results.

What Pressure Should XRF Pellets Be?

XRF pellets should be pressed at pressures between 15 and 40 tons for 1-2 minutes to ensure that the binder recrystallizes and that there are no void spaces present in the pellet. The pressure applied by the hydraulic press should be enough for the sample to be completely compressed. The thickness of the pellet is also crucial, as it must be infinitely thick to the X-rays. Working with small particle sizes (<50µm or <75µm) is also important for effective analysis. These factors impact how well the sample binds together under pressure, which affects the analytical results.

What Are The Advantages Of Using An FTIR Press?

The advantages of using an FTIR press include the ability to produce uniform and high-quality pellets, fast tableting speed, customizable sizes for precise molding, and versatility in preparing samples for various analytical techniques like X-ray fluorescence (XRF) and FTIR spectroscopy.

What Is The Advantage Of XRF Pressed Pellet Technique?

The advantage of XRF pressed pellet technique is that it produces high-quality results with a higher signal-to-noise ratio, allowing for the detection of even the lightest elements. Quantifying the elemental composition without pressed pellets can lead to significant discrepancies between expected and actual values. The grinding of the sample into fine particles and compressing it into a smooth and flat XRF pellet reduces background scattering and improves the detection of emissions. Pressed pellets are also relatively quick, low-cost, and lend themselves to simple and cost-effective automation for higher throughput laboratories.

What Materials Can Be Used With An FTIR Press?

An FTIR press can be used with a variety of powdered materials, including chemicals, pharmaceuticals, and other substances that need to be analyzed using FTIR or XRF techniques. The press can accommodate different types of molds, such as those with steel or plastic rings, to suit specific sample requirements.
View more faqs for this product

4.9

out of

5

The XRF steel ring mold is a great addition to my lab. It produces high-quality pellets that are perfect for XRF analysis. I highly recommend this product.

Izaiah Turner

4.7

out of

5

This product has helped me save time and money in my lab. It's a great tool for pressing powders into pellets for XRF analysis.

Anika Patel

4.8

out of

5

I've been using this product for a few months now and I'm very happy with it. It's easy to use and produces consistent results. I would definitely recommend it to other labs.

Noah Garcia

4.6

out of

5

This product is a must-have for any lab that does XRF analysis. It's a great value for the price and it produces high-quality pellets.

Isabella Johnson

4.9

out of

5

I'm very impressed with this product. It's made of high-quality materials and it's very durable. I've been using it for several months now and it still looks and works like new.

Liam Brown

4.7

out of

5

This product has exceeded my expectations. It's very easy to use and it produces consistent results. I would highly recommend it to other labs.

Sophia Jones

4.8

out of

5

I'm very happy with this product. It's a great value for the price and it produces high-quality pellets. I would definitely recommend it to other labs.

Jackson Miller

4.6

out of

5

This product is a great addition to my lab. It's easy to use and it produces consistent results. I would definitely recommend it to other labs.

Olivia Smith

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