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China Glass Funnel with Fritted Disc - Quality Suppliers and Factory Direct Products
Glass Funnel With Fritted Disc
Fine workmanship
Clear and transparent
Strong stability
Funnel With Fritted Disc
Product Name:
Funnel With Fritted Disc
Product Specifications:
30-2000ml
Product Material:
High borosilicate glass
Product Introduction:
The sand core filter plate of the funnel with fritted disc is made of sintered glass material, which can filter acid liquids and treat them with acid, also known as acid resistant funnel or glass vertical melting funnel. According to its aperture size, it is divided into specifications such as G0 to G6.
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Carefully selected materials, finely crafted, and convenient to use.
Low thermal expansion coefficient and strong fracture stability.
The welding is tight and does not damage the entire surface filtration of the sand core.
Smooth and round, with high transparency.
Funnel With Fritted Disc Show
Specifications and Lntroduction of Fritted Disc
As shown in the figure: the fritted disk aperture G0>G1>G2>G3>G4>G5>G6. The larger the number, the smaller the aperture. The commonly used ones are G2/G3 fritted disk, G3 is used to filter out fine sediment. Under normal pressure, the water output is slow or non-existent, and it is more effective when combined with pressure or suction filtration. G0-G2 fritted disk, due to its coarse pore size, can be naturally filtered under normal pressure.
Standards and Applications
| International standard | Original standard | Filter plate aperture (micrometers) | General purpose |
|---|---|---|---|
| P250 | C00 | 160-250 | Filter out large particle precipitates |
| P160 | G0 | 100-160 | Filter out coarse particle precipitation, collect and distribute gas molecules |
| P100 | G1A | 70-100 | Treated water |
| P70 | G1A | 50-70 | Filter out large sediment and gelatinous sediment |
| P50 | G2 | 30-50 | Filter out large sediment and gas for washing purposes |
| P30 | G3 | 16-30 | Filter out fine sediment and mercury for filtration purposes |
| P16 | G4A | 7-16 | Filter out fine particle precipitates, collect or distribute fine molecular gases |
| P7 | G4 | 4-7 | Filter out fine or extremely fine precipitates in the liquid |
| P4 | G5 | 2-4 | Filter out extremely fine sediment and larger bacteria |
| P2 | G6 | 1.2-2.0 | Filter out Escherichia coli and Staphylococcus aureus |
Product Details Show
Size Show
Funnel with Fritted Disc Specs
| Item | Description | Picture | Capacity (ml) | Outer Diameter (mm) | Height (mm) | Height from Filter to Mouth (mm) | Weight (g) |
|---|---|---|---|---|---|---|---|
| 1 | Glass Funnel with Fritted Disc |
|
30 | 32 | 136 | 56 | 30 |
| 2 | 60 | 48 | 148 | 57 | 64 | ||
| 3 | 100 | 61 | 154 | 60 | 97 | ||
| 4 | 150 | 70 | 170 | 72 | 152 | ||
| 5 | 250 | 81 | 183 | 81 | 216 | ||
| 6 | 350 | 90 | 193 | 89 | 309 | ||
| 7 | 500 | 100 | 202 | 92 | 378 | ||
| 8 | 600 | 100 | 230 | 119 | 434 | ||
| 9 | 1000 | 121 | 237 | 122 | 586 | ||
| 10 | 2000 | 149 | 280 | 157 | 1364 |
Precautions
Usage Instructions & Care
The newly purchased filtering instrument needs to be filtered with acid solution before use, washed clean with distilled water, and dried before use. For sterilization filters, high-pressure sterilization is required before use. After use, a washing solution should be used for filtration, and then soaked in the washing solution for 48 hours before being taken out and rinsed with distilled water, filtered, dried, and stored. During the drying process, do not open the oven halfway. Wait until the oven has cooled to room temperature before opening and removing it to prevent explosion. After use, it is necessary to wash it to avoid affecting the filtration efficiency due to sediment blockage. Attention should be paid to slow heating or cooling, and it is not advisable to filter hydrofluoric acid, hot concentrated phosphoric acid, hot or cold concentrated alkaline solution during use.
Frequently Asked Questions (FAQ)
What is a glass funnel with a fritted disc?
It is a specialized laboratory funnel featuring a sintered glass filter plate (fritted disc). It is designed to filter acidic liquids and other chemical solutions, offering high resistance to acids, and is also known as an acid-resistant or vertical melting glass funnel.
What material is used to construct the funnel?
The funnel is made of high borosilicate glass, which ensures excellent transparency, a low coefficient of thermal expansion, and high structural stability against fracture.
How do the fritted disc grades (G0 to G6) differ?
The grades represent the pore size of the filter plate. The larger the number, the smaller the aperture (G0 has the largest pore size of 100-160 μm, while G6 has the smallest at 1.2-2.0 μm). For instance, G3 is commonly used to filter fine sediment and is best used with vacuum suction or pressure.
How should I prepare a new funnel before its first use?
Before using a newly purchased funnel, it should be filtered with an acid solution, thoroughly rinsed with distilled water, and dried. If sterile filtration is required, the funnel must undergo high-pressure sterilization.
What are the key safety precautions when heating or drying the funnel?
Always heat or cool the glassware gradually to prevent thermal shock. When drying the funnel in an oven, do not open the oven door mid-process. Wait until the oven has cooled down to room temperature before removing the funnel to prevent it from cracking or exploding.
Are there any chemical solutions that should not be filtered?
Yes, you should avoid filtering hydrofluoric acid, hot concentrated phosphoric acid, and hot or cold concentrated alkaline solutions, as these chemicals can damage and degrade the glass fritted disc.