China Factory Direct
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| CAS number | 584-09-8 |
| Product name | Rubidium carbonate |
| Stock | Stock readily available; annual supply capacity exceeding 1,000 tons. |
| Grade | Pharmaceutical GradeElectronic GradeMaterial GradeReagent GradeIndustrial GradeSpecialty Grade |
| Packaging | 25KG/bag500KG/bag1000KG/bag |
| Sample | Test Samples Available (Click to Request Samples) |
| COA | View COA |
| Price | Get Quote |
| Supply Type | Bulk / Contract manufacturing / OEM |
| Shipping | FCL / LCL available |
| Payment Terms | Support FOB \ CIF \ EXW quotations, and accept Letter of Credit (L/C). |
| Manufacturer | Greenrock Chemical(China Factory) |
Based on current marketvolatility and material availability.
17+ years in chemical exports.Fully compliant, reliable supply.Your B2B partner in bulk chemical procurement.
| Industry | Application | Process |
|---|---|---|
| Electronics Industry | Used to prepare high-purity rubidium salts as dopants for semiconductor materials | High-temperature solid-state reaction |
| Chemical Reagents | Used as an analytical reagent for trace metal element detection and calibration | Dissolution and standard solution preparation |
| Optical Materials | Used in the manufacture of specialty optical glass and infrared-transmitting materials | Melt mixing process |
| Nuclear Industry | Used as a neutron absorber or radioactive isotope source in nuclear reactors | Synthesis of radioactive rubidium compounds |
| Catalyst Preparation | Used as a catalyst promoter to enhance catalytic activity and selectivity | Impregnation or co-precipitation method |
| Pharmaceutical R&D | Used to study the mechanism of rubidium ion channel function in biological systems | Application in biochemical experiments |
| Test Item | Common Test Methods | Method Overview |
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| Main Content (Purity of Rb₂CO₃) | Acid-Base Titration | Titrate an aqueous solution of rubidium carbonate with a standard hydrochloric acid solution. The amount of acid consumed is used to calculate the carbonate content, which is then converted to Rb₂CO₃ purity. Suitable for high-content samples, this method is simple to operate and low in cost. |
| Rubidium Element Content | Atomic Absorption Spectroscopy (AAS) | Dissolve the sample and measure the absorbance of rubidium at a specific wavelength (e.g., 780 nm). Quantify the rubidium content using a calibration curve. This method offers high accuracy. |
| Inductively Coupled Plasma Optical Emission Spectrometry (ICP-OES) | After digestion, the sample is introduced into an inductively coupled plasma. The intensity of rubidium's characteristic emission lines is measured. This method allows simultaneous determination of multiple impurity elements, with high sensitivity and a wide linear range. | |
| Moisture Content | Karl Fischer Titration | Based on the reaction of iodine and sulfur dioxide with water in an anhydrous environment, this method accurately measures moisture content in samples via volumetric or coulometric titration. Suitable for trace moisture detection. |
| Loss on Ignition (LOI) | Gravimetric Method (Thermogravimetric Analysis) | The sample is heated to constant weight at high temperature (typically 600–800°C), and the mass loss is measured to evaluate the content of volatiles, moisture, and decomposition products. |
| Chlorides | Ion Chromatography (IC) | The dissolved sample is passed through an ion exchange column to separate chloride ions, which are then quantified using a conductivity detector. This method is highly sensitive and capable of simultaneously detecting multiple anions. |
| Sulfates | Ion Chromatography or Turbidimetry | Ion chromatography as described above; turbidimetry is based on the formation of BaSO₄ precipitate when sulfate reacts with barium chloride. The sulfate content is determined by measuring turbidity, suitable for routine testing. |
| Heavy Metals (e.g., Pb, Cd) | Atomic Absorption Spectroscopy (AAS) or ICP-MS | After sample digestion, heavy metal contents are determined using AAS or the more sensitive ICP-MS. This meets requirements specified in pharmacopoeias or standards for electronic-grade materials. |
| pH Value | pH Meter Measurement | Dissolve the rubidium carbonate in water to a certain concentration, stir thoroughly, and directly measure the pH of the solution using a calibrated pH meter to assess its alkalinity. |
| Insoluble Matter | Gravimetric Method | Dissolve the sample in water, filter it, dry the residue, and weigh it to calculate the percentage of insoluble matter. Used to evaluate product cleanliness. |
| Test Item | Specification |
|---|---|
| Appearance | White powder |
| Purity | ≥99.9% |
| Li | ≤0.0005% |
| Na | ≤0.01% |
| K | ≤0.01% |
| Cs | ≤0.05% |
| Ca | ≤0.005% |
| Mg | ≤0.0005% |
| Al | ≤0.001% |
| Fe | ≤0.0005% |
| Si | ≤0.002% |
| Pb | ≤0.0005% |
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| CAS/Product ID | *Required fields | |
| Lot/Batch Number | *Required fields | |
1. How do you ensure product quality consistency?
We rely on a mature China-based manufacturing system and implement strict batch control and quality inspection for every shipment. Our production process complies with ISO 9001 standards, and a COA is provided for each batch to ensure consistent and reliable quality.
2. Do you offer competitive pricing for bulk orders?
Yes, as a China-based manufacturer and bulk supplier, we provide tiered pricing based on order volume. We support FOB and CIF quotations, as well as L/C payment terms for large transactions to meet international trade requirements.
3. Can you support large-volume or long-term supply?
We have stable production capacity and a well-established supply chain, enabling continuous bulk supply. We support ton-level and container-level orders, as well as long-term cooperation projects.
4. What is your typical lead time?
For in-stock products, shipment can be arranged within 1–3 days. For bulk packaging or customized orders, lead time depends on the specific quantity and production schedule.
5. What documents do you provide?
We can provide complete documentation upon request, including COA, SDS, TDS, and other compliance certificates, meeting industrial procurement and export requirements.
6. Can you customize product specifications or packaging?
Yes, we support customization of parameters such as purity, impurities, residual solvents, and heavy metals. We also offer various bulk packaging options, including 25kg bags, drums, and IBC tanks, suitable for industrial applications and transportation.
7. What shipping options do you support?
We support both FCL (Full Container Load) and LCL (Less than Container Load) shipments, and can flexibly arrange logistics solutions based on order size to meet bulk chemical export needs.
8. Do you provide technical or application support?
Yes, we provide basic application guidance and technical support based on industry experience to help customers optimize product usage.
9. How do you handle compliance and export regulations?
We are familiar with international trade and export regulations, ensuring all products comply with relevant requirements. We also provide complete documentation to support smooth customs clearance and global delivery.