Products Sample Preparation Molds & Accessories XRF & KBR plastic ring lab Powder Pellet Pressing Mold
XRF & KBR plastic ring lab Powder Pellet Pressing Mold

Molds & Accessories

XRF & KBR plastic ring lab Powder Pellet Pressing Mold

Item Number : PMXP

Price varies based on specs and customizations


Material
Cr12MoV
Indenter hardness
HRC60-HRC62
Sample size
<φ50 mm
Sample thickness
0.02-0.1 mm
External dimensions
φ200×50 mm
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Applications

XRF plastic ring lab Powder Pellet Pressing Mold is used for the molding of X-ray fluorescence spectrometer samples. The plastic 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

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

Technical specifications

Model PMXP-A
Material Cr12MoV
Indenter hardness HRC60-HRC62
Sample size <φ50 mm
Sample thickness 0.02-0.1 mm
External dimensions φ200×50 mm
Weight(Kg) 3
Other sizes can be customized

Operation steps

Step 1: Place the sample in the plastic ring mold

Step 1: Place the sample in the plastic ring mold

Step 2: Close the cantilever and start pressurizing

Step 2: Close the cantilever and start pressurizing

Step 3: Open the cantilever after depressurization

Step 3: Open the cantilever after depressurization

Step 4: Take out the pressed sample

Step 4: Take out the pressed 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

Click to view our full range of lab press products.

Any question? Our experts have helped many laboratories choose their lab press, contact us now!

Full range of types of laboratory press molds

We have a full range of molds for you to choose from, and the molds fit the body perfectly.

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

laboratory press mold

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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 a press mold?

A press mold is a device used in material processing methods such as cold isostatic pressing (CIP) and metal mold pressing to create molded bodies from powder materials. In CIP, the mold containing the powder is immersed in a pressure medium, and isostatic pressure is applied to the outer surfaces of the mold to compress the powder into a shape. Metal mold pressing applies only uniaxial pressure to the powder material to create molded bodies. CIP can produce products with uniform density and homogeneity due to no frictions with a metal mold.

What is press Mould in ceramics?

Press moulding is a ceramic forming technique that involves the compaction of powders by applying either a rigid or flexible pressure. It can be either uniaxial or isostatic, depending on the shape required. Isostatic pressing is used for shapes that cannot be obtained by uniaxial pressing or for added value products that require high density and isotropic green bodies. The molds for axial-pressing are usually made of steel, while those for isostatic pressing are made of elastomers, silicone, and polyurethanes. This technology is applied in various fields like ceramics, MMC, CMC, and Silicon nitride for cutting tools, components of heavy-duty valves, wear parts for process technology, and more.

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.

What is KBr used for?

KBr, or potassium bromide, is commonly used in laboratories as a matrix for infrared spectroscopy. It is mixed with an organic sample and compressed into a pellet using a press like the benchtop KBr Pellet Press. The resulting pellets are used for analysis of the sample's molecular structure and composition. KBr is also used for briquetting inorganic samples for x-ray fluorescence spectroscopy and for pressing thin polymer films using heated platens for transmission sampling by IR spectroscopy. It is an important tool for researchers in the fields of pharmaceuticals, biology, nutrition and spectroscopy.

How are pellet molds used?

To use a pellet mold, the powdered or granular material is first loaded into the mold cavity. The material is then compacted by applying pressure using a laboratory press or hydraulic machine. The pressure causes the material to conform to the shape of the mold, resulting in a solid pellet or cylindrical sample. After the compaction process, the pellet is removed from the mold and can be further processed or analyzed as needed.

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 is the KBr pellet method?

The KBr pellet method is a technique used in spectroscopy to analyze solids. It involves compressing powdered materials into pellet form using a compact, hand-operated press called the KBr Pellet Press. The resulting pellets are cylindrical in shape and can be of any desired thickness. This method is particularly useful in pharmaceutical, biological, nutrition, and spectrographic operations, and provides advantages such as using less sample than ATR, higher signal-to-noise, and control over signal intensity by changing sample concentration or increasing pathlength. It also offers clear advantages in detecting trace contaminants.

What types of materials can be pelletized using pellet molds?

Pellet molds can be used to pelletize a wide range of materials, including but not limited to powders, granules, metals, ceramics, pharmaceuticals, and catalysts. They are particularly useful for materials that require compaction or shaping before further analysis or processing. Pelletizing materials can improve their flow properties, density, and handling characteristics, making them suitable for applications such as tabletting, catalyst preparation, fuel pellet production, and sample preparation for spectroscopic or analytical techniques.

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.

Why KBr is used for pellet?

KBr (potassium bromide) is used for pellet preparation because it is a stable, transparent, and inexpensive salt that is easy to obtain in high purity. When a sample is mixed with KBr powder and compressed into a pellet using a press, it forms a flat, uniform disc with a consistent thickness. KBr pellets are commonly used in spectroscopy applications to analyze solid samples because they provide a clear and reproducible path for infrared light to pass through, which allows for accurate measurements of the sample's chemical composition.

How can one select the appropriate pellet mold for their specific application?

Pellet molds can be used to pelletize a wide range of materials, including but not limited to powders, granules, metals, ceramics, pharmaceuticals, and catalysts. They are particularly useful for materials that require compaction or shaping before further analysis or processing. Pelletizing materials can improve their flow properties, density, and handling characteristics, making them suitable for applications such as tabletting, catalyst preparation, fuel pellet production, and sample preparation for spectroscopic or analytical techniques.

How to make KBr pellets for FTIR?

To make KBr pellets for FTIR, a pellet press die set, pestle and mortar, and IR-transparent medium, such as KBr, are required. The KBr and sample are mixed in a mortar, and the resulting mixture is pressed into a disc using a die set and a hydraulic press. The pellet should be thin, transparent, and contain only a small amount of the sample. The typical ratio of KBr to sample is 100:1. KBr is hygroscopic, so it should be stored in a dry environment and prepared in a glovebox or with a vacuum die to avoid moisture absorption.
View more faqs for this product

4.9

out of

5

The Kintek Solution XRF & KBR plastic ring lab Powder Pellet Pressing Mold is a valuable addition to our lab. It has significantly improved our sample preparation efficiency and the quality of our XRF analysis.

Dr. Aiko Yoshida

4.8

out of

5

I highly recommend the Kintek Solution XRF & KBR plastic ring lab Powder Pellet Pressing Mold. It's a reliable and user-friendly tool that has made a real difference in our lab's productivity.

Prof. Erik Sanchez

4.7

out of

5

The Kintek Solution XRF & KBR plastic ring lab Powder Pellet Pressing Mold is an excellent investment. It's durable, easy to use, and produces high-quality pellets.

Dr. Miriam Mcdowell

4.9

out of

5

I'm very satisfied with the Kintek Solution XRF & KBR plastic ring lab Powder Pellet Pressing Mold. It's a well-made product that has exceeded my expectations.

Mr. Peter Chowdhury

4.7

out of

5

The Kintek Solution XRF & KBR plastic ring lab Powder Pellet Pressing Mold is a must-have for any lab that performs XRF analysis. It's a reliable and efficient tool that helps us get accurate results quickly.

Dr. Fatima Patel

4.8

out of

5

I'm impressed with the Kintek Solution XRF & KBR plastic ring lab Powder Pellet Pressing Mold. It's a high-quality product that has improved our lab's workflow and productivity.

Prof. Ivan Ivanov

4.9

out of

5

The Kintek Solution XRF & KBR plastic ring lab Powder Pellet Pressing Mold is an excellent choice for labs that need a reliable and efficient way to prepare samples for XRF analysis.

Dr. Sarah Cohen

4.7

out of

5

I'm very happy with the Kintek Solution XRF & KBR plastic ring lab Powder Pellet Pressing Mold. It's a durable and easy-to-use product that has made a big difference in our lab.

Mr. Ahmed Ali

4.8

out of

5

The Kintek Solution XRF & KBR plastic ring lab Powder Pellet Pressing Mold is a great investment for any lab that needs to prepare samples for XRF analysis. It's a reliable and efficient tool that produces high-quality pellets.

Dr. Maria Garcia

4.9

out of

5

I highly recommend the Kintek Solution XRF & KBR plastic ring lab Powder Pellet Pressing Mold. It's a well-made product that has helped us improve the accuracy and efficiency of our XRF analysis.

Mr. Chen Li

4.7

out of

5

The Kintek Solution XRF & KBR plastic ring lab Powder Pellet Pressing Mold is a valuable addition to our lab. It's a versatile and easy-to-use tool that has made a real difference in our sample preparation process.

Dr. Anna Johnson

4.8

out of

5

I'm very satisfied with the Kintek Solution XRF & KBR plastic ring lab Powder Pellet Pressing Mold. It's a durable and reliable product that has helped us improve the quality of our XRF analysis.

Mr. Omar Khan

4.9

out of

5

The Kintek Solution XRF & KBR plastic ring lab Powder Pellet Pressing Mold is a must-have for any lab that performs XRF analysis. It's a well-made and efficient tool that has helped us save time and improve the accuracy of our results.

Dr. Elizabeth Smith

4.7

out of

5

I'm very happy with the Kintek Solution XRF & KBR plastic ring lab Powder Pellet Pressing Mold. It's a durable and easy-to-use product that has made a big difference in our lab.

Mr. Kim Young

PDF of PMXP

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Catalog of Molds & Accessories

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Catalog of Pellet Dies

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Catalog of Xrf Pellet Press

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Catalog of Kbr Pellet Press

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