Atomfair Potassium Metaphosphate Powder (KPO₃), 99.95% Purity, Custom Particle Sizes Down to 1 μm
Product Description
Atomfair potassium metaphosphate is supplied as a white powder with 99.95% purity and is available with custom particle sizes down to 1 μm. Iron content is <5 ppm; cobalt, nickel, copper, cadmium, chromium, and titanium are each <1 ppm. It is intended for optical glass research.
Technical Specifications |
||||||||||||||||||||
|
Customization & Ordering
Custom particle sizes down to 1 μm are available upon request. Please include the required particle size, quantity, and packaging when requesting a quotation.
Key Features and Advantages
- Purity: 99.95%.
- Iron content: <5 ppm; Co, Ni, Cu, Cd, Cr, and Ti: <1 ppm each.
- P₂O₅ content: 60±0.5%; loss on ignition: 0.29%.
APPLICATION SCOPE: optical glass research.
DOCUMENTATION: COA and SDS can be provided upon request for batch-specific confirmation.
TAILORED SOLUTIONS FOR RESEARCH
Contact our engineering team for technical support or official institutional quotations.
This material is hygroscopic and must be stored in a sealed container under dry conditions to prevent moisture absorption. Loss on ignition at 0.29% indicates low volatile content, but thermal decomposition may occur above 300°C.
- Moisture Sensitivity: Store in a tightly sealed container in a desiccated environment to avoid caking or hydrolysis.
- Thermal Stability: Avoid heating above 300°C to prevent decomposition and release of phosphorus oxides.
This procedure describes safe handling and preparation of potassium metaphosphate powder for use in optical glass batch formulations. The powder is hygroscopic and requires dry handling conditions to maintain purity.
Required Equipment: Analytical balance, Dry glovebox or desiccator, Stainless steel spatula
- Precondition the workspace
Verify that the glovebox atmosphere is below 10 ppm moisture or that the desiccator contains fresh desiccant. - Weigh the required amount
Transfer the powder directly from the sealed container to a tared weighing boat using a clean stainless steel spatula. - Seal the source container immediately
Close the stock container tightly after each use to prevent ambient moisture uptake. - Incorporate into the glass batch
Mix the weighed powder with other batch components in a dry blending vessel before charging into the furnace.
Why is the iron content below 5 ppm and transition metals below 1 ppm critical for potassium metaphosphate used in optical glass research?
These ultra-low impurity levels are critical to prevent coloration and absorption in optical glasses. The source specifies iron <5 ppm and Co, Ni, Cu, Cd, Cr, Ti each <1 ppm, ensuring minimal optical defects. High-purity KPO3 with controlled trace metals is essential for producing transparent, high-quality optical glass with consistent refractive index and low transmission loss.
How does the availability of custom particle sizes down to 1 μm affect the performance of potassium metaphosphate in glass melting?
Custom particle sizes down to 1 μm enable faster and more homogeneous melting, reducing the risk of inhomogeneities in the glass melt. The product can be tailored to specific research requirements, as stated in the product description. Finer powders increase surface area, improving reaction kinetics and batch uniformity in optical glass formulations.
What is the significance of the P2O5 content specification of 60±0.5% and loss on ignition of 0.29% in potassium metaphosphate?
The tight P2O5 content tolerance ensures consistent glass composition and optical properties, while the low loss on ignition indicates minimal moisture or volatile impurities. The source specifies P2O5 content 60±0.5% and loss on ignition 0.29%, which are critical parameters for reproducible glass melting and final product quality.
This 99.95% purity potassium metaphosphate powder, with trace metal levels below 5 ppm Fe and 1 ppm for Co, Ni, Cu, Cd, Cr, and Ti, is engineered for optical glass research, offering controlled P2O5 content (60±0.5%) and low loss on ignition (0.29%) to minimize batch variability.
Positive
- High purity with low trace metals: At 99.95% purity with Fe <5 ppm and Co, Ni, Cu, Cd, Cr, Ti each <1 ppm, this powder minimizes transition-metal contamination that could otherwise alter optical glass properties.
- Custom particle size down to 1 μm: Custom particle sizes down to 1 μm enable precise control over melt homogeneity and reaction kinetics in optical glass formulations, supporting reproducible research outcomes.
Trade-offs
- Custom sizing requires lead time: Custom particle sizes down to 1 μm are made to order, requiring specification of size, quantity, and packaging at quotation, which may extend procurement timelines for research schedules.
- Hygroscopic handling precautions: As a metaphosphate powder, it is susceptible to moisture uptake; loss on ignition of 0.29% indicates residual volatiles, necessitating dry storage and careful handling to maintain specified purity and performance.
Every advanced material, component, equipment, and instrument in our catalog is backed by rigorous testing. We maintain strict internal quality management frameworks and align with CE conformity metrics to deliver transparent, reproducible performance data via our public open-science repository.
To request raw batch performance data, submit formal vendor registration paperwork, or execute a fast-turnaround R&D manufacturing loop, contact us at inquiry@atomfair.com.
Item is dispatched under the Atomfair Shipping & Delivery Framework (Free worldwide shipping on orders over $59 USD excl. heavy equipment). Return is governed by the Atomfair Return & Refund Policy (7-day technical return window).
