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gaseous compounds filter paper for quantitative air pollution analysis / impregnation filter paper
- 1000 Carton / Cartons per Month
- SHENZHEN
Product Details
Place of Origin: | Shaanxi, China | Brand Name: | Zenlab | Model Number: | Zenlab Quantitative filter paper |
Type: | Quantitative | Material: | Glass Fiber | Usage: | Other, Lab supplier |
Width: | 70mm/90mm/125mm/150mm |
Product Description
Pictures of Product
Description of Product
Zenlab quantitative filters are designed for gravimetric analysis and the preparation of samples for instrumental analysis.
Grade 1: 30-50 µm
The classic general purpose ashless filter paper with medium speed and retention. Typical applications include gravimetric analysis for numerous components in cements, clays, iron, and steel products; as a primary filter for separating solid matter from aqueous extracts in general soil analysis, quantitative determination of sediments in milk and as a pure analytical grade clean-up filter for solutions prior to AA spectrometry. Also used as a high-purity filter in the collection of trace elements and radionuclides from the atmosphere.
Grade 4: 80-120 µm
The very fast ashless filter paper, recommended for analytical procedures involving coarse particles or gelatinous precipitates (e.g., iron or aluminum hydroxides). Also used in quantitative air pollution analysis as a paper tape for impregnation when determining gaseous compounds at high flow rates.
Grade 5: 1-3 µm
This ashless standard filter paper for very fine precipitates. Slow filter paper with highest efficiency for collecting very small particles. Also used for many analytical routine methods in different industries, e.g., determination of the amount of insoluble contaminants in animal and vegetable fats and oils.
Technical Specification
Model | Grade 1 | Grade 4 | Grade 5 |
Filtration speed | Medium | Fast | Slow |
Particle retention in liquid (μm) | 30-50 | 80-120 | 1-3 |
Basis weight (g/m2) | 80±4 | 80±4 | 80±4 |
Filtration time (approx.)(s) | >35 ~ ≤70 | ≤35 | >70 ~ ≤140 |
Ashes | ≤0.009% | ≤0.009% | ≤0.009% |
Water resistance | ≥150 | ≥130 | ≥200 |
1. Short Respond time. We will reply your email within 24 hours of receiving.
2. Good quality and competitive price.
2. OEM accepted. We can make products upon request.
3. Efficient and economic delivery. We can provid fast delivery with competitive shipping cost.
4. Multi-linguistic service. Most of our sales representatives can speak more than one foreign language. Our clients should have no difficulty in dealing with us in their mother tongue.
5. Low MOQ. We can meet the needs of all kinds of clients.
6. Complete after sales services.
Zenlab Solution Co., Ltd. is a Chinese company with 30 years of experience in both national and international market of labware consumables. We offer our customer with products and solution made according to high standard of the industry at a very low price. For many years, we have helped our clients reduce cost, so that they can concentrate themselves to increase productivity and optimize their work.
Our main category of products consists of syringe filter, filter paper, vial, etc. Furthermore we are expanding our line of products so as to provide our customer with a one-stop purchase place of good quality and best price.
You're welcome to contact us in the following ways:
web:
Tel: +8618192047686
+862981774713
Skype: sol.zenlab
Contact Us
- Xi'an Zenlab Solution Company Limited
- Contact nameZENLAB SOLUTION
- Phone86-29-81774713
- AddressNo. 86, Jinye 2nd Road, Yanta Dist.
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