Precious Metal Products Platinum-Based Products Equivalent to JIS Standards
Furuya Metal manufactures platinum crucibles, platinum evaporating dishes, and platinum boats equivalent to JIS standards. Owing to platinum’s excellent heat resistance, corrosion resistance, and chemical stability, these products enable stable testing and processing even under high-temperature conditions. Manufactured in shapes and dimensions compliant with JIS standards, they are suitable for analyses and testing procedures that require high reproducibility and reliability, including those based on official standards. We can also manufacture JIS-equivalent products using alloy materials and strengthened platinum materials.
Platinum crucibles
Platinum crucibles are among the most widely used analytical instruments for high-temperature sample heating, ashing, and melting applications.
Because platinum is highly resistant to oxidation even at elevated temperatures and exhibits minimal reactivity with samples and fluxes, it helps minimize any influence on analytical results.
Major applications
- Ashing tests for inorganic materials and mineral samples
- Melting tests for ceramics and glass raw materials
- Gravimetric analysis and sample preparation in chemical analysis
- Quality control and standards-based testing (JIS and in-house standards)
| Item No. | Outer diameter (mm) |
Height (mm) |
Dimensional tolerance (mm) |
Crucible weight （g） |
Crucible weight with cover （g） |
Capacity （cc） |
|
|---|---|---|---|---|---|---|---|
| Top | Bottom | ||||||
| No. 10 | 25 | 15 | 27 | ±1 | 8 | 10 | 10 |
| No. 15 | 28 | 17 | 31 | ±1 | 12 | 15 | 15 |
| No. 20 | 32 | 19 | 34 | ±1 | 16 | 20 | 20 |
| No. 25 | 34 | 20 | 38 | ±1 | 20 | 25 | 25 |
| No. 30 | 36 | 22 | 40 | ±1 | 24 | 30 | 30 |
| No. 40 | 41 | 25 | 45 | ±1 | 33 | 40 | 40 |
| No. 50 | 44 | 27 | 47 | ±1 | 42 | 50 | 50 |
Platinum evaporating dishes
Platinum evaporating dishes are analytical instruments used for the evaporation, concentration, and evaporation to dryness of solutions. They exhibit excellent corrosion resistance even against solutions containing acids and alkalis, maintaining stable performance through repeated use.
Major applications
- Concentration and evaporation to dryness of analytical sample solutions
- Sample preparation prior to trace component analysis
- Quantitative procedures in chemical and materials research
- Official testing and quality evaluation tests
| JIS-equivalent product No. | Outer diameter (mm) |
Height (mm) |
Dimensional tolerance (mm) |
Weight （g） |
Capacity (cc) |
|
|---|---|---|---|---|---|---|
| Top | Bottom | |||||
| No. 35 | 50 | 45 | 25 | ±1 | 20 | 35 |
| No. 50 | 60 | 54 | 28 | ±1 | 27 | 50 |
| No. 75 | 65 | 59 | 30 | ±1 | 30 | 75 |
| No. 90 | 70 | 63 | 35 | ±1 | 35 | 90 |
| No. 100 | 75 | 68 | 36 | ±1 | 40 | 100 |
| No. 150 | 80 | 72 | 38 | ±1 | 55 | 150 |
| No. 200 | 90 | 81 | 45 | ±1 | 75 | 200 |
Platinum boats
Platinum boats are used for sample holding and heat treatment processes inside high-temperature furnaces. Owing to the chemical stability of platinum, they help minimize the influence on samples during heating, enabling highly reliable heat treatment and testing.
Major applications
- High-temperature firing of powder and small-piece samples
- Heat treatment and reaction testing
- Materials research and evaluation applications
| JIS-equivalent product No. | Length (mm) | Width (mm) | Height (mm) |
Handle length (mm) |
Dimensional tolerance (mm) |
Weight（g） | ||
|---|---|---|---|---|---|---|---|---|
| Top | Bottom | Top | Bottom | |||||
| No. 12 | 12 | 10 | 5 | 4 | 5 | 6以内 | ±1 | 1 |
| No. 14 | 14 | 12 | 5 | 4 | 5 | 6以内 | ±1 | 1 |
| No. 16 | 16 | 14 | 6 | 5 | 6 | 6以内 | ±1 | 1 |
| No. 20 | 20 | 17 | 10 | 8 | 10 | 6以内 | ±1 | 2 |
| No. 30 | 30 | 26 | 10 | 8 | 10 | 6以内 | ±1 | 3 |
| No. 40 | 40 | 34 | 10 | 8 | 10 | 10以内 | ±1 | 5 |
| No. 50 | 50 | 43 | 15 | 10 | 13 | 10以内 | ±1 | 8 |
| No. 60 | 60 | 53 | 15 | 10 | 13 | 10以内 | ±1 | 12 |
| No. 70 | 70 | 60 | 15 | 10 | 13 | 20以内 | ±1 | 15 |
| No. 80 | 90 | 70 | 15 | 10 | 13 | 20以内 | ±1 | 20 |
| No. 90 | 90 | 80 | 18 | 13 | 15 | 20以内 | ±1 | 25 |
| No. 100 | 100 | 90 | 20 | 15 | 15 | 20以内 | ±1 | 30 |
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