QUALITATIVE - 179 ads

Tuesday, September 10, 2019

Qualitative filter papers are widely used for general filtration in the lab. Made of cellulose fiber, they are manufactured from high-quality cotton linters with the treatment of maximizing alpha cellulose. With the highest degree of polymerization, Alpha cellulose is recommended...

Tuesday, August 13, 2019

Filtration is a kind of physical changes which separate solid impurities from the liquid through porous filter media, only fluid can pass by the porous filter media. So the degree of retention determines the separation efficiency. Hawach provides various options to satisfy every laboratory...

Friday, August 09, 2019

Filter Paper is a tool commonly found in chemical laboratories for separation of two-phase, and usually round in shape. To filter two phases so as to separate and purify matter, most of the filter paper is made of cotton fiber and is made in different ways for different purposes....

Wednesday, August 07, 2019

Each analyst needs filter paper, which is a product with high consumption in the laboratory. Filter paper is commonly used in analytical laboratories as a filter medium to separate the solution from the solid. Basic introduction The paper is loose and has strong absorption performance to liquid...

Tuesday, July 30, 2019

Quantitative filter paper or qualitative filter paper, it is a question. While at the very beginning, we can distinguish from the literal meaning between quantitative and qualitative. Quantitative refers to fixed quantity, more about physical properties. Qualitative refers to fixed quality...

Friday, July 12, 2019

Note on the filter paper box that when using the quantitative and qualitative analysis filter paper to filter the precipitate: 1. Generally uses natural filtration, using the filter paper body and the ability to retain solid particles to separate the liquid and solid; 2. Because the...

Wednesday, July 10, 2019

The biggest feature of filter paper is paper with good filtration performance. At present, the filter papers produced in China mainly include quantitative analysis filter paper, qualitative analysis filter paper and chromatographic qualitative analysis filter paper. Quantitative filter...

Monday, July 08, 2019

Hawach Scientific is a modern enterprise contains well integration of R&D, production, sales, and after-sales services. We have a sales team for filter paper, after more than 16 years promotion, the high praise from the market for our quality and services, filter papers have various...

Friday, July 05, 2019

1. Product No., for example BIO-1. 2. Pore size and flow rate, The bigger pore size, the quicker flow rate. Fast: 60-100S/100ML @ 80-120μm Medium: 100-160 S/100ML@30-50μm Slow：160-200 S/100ML @ 1-3 μm But filter paper is different from filter membrane, the pore size cannot be a certain value...

Thursday, July 04, 2019

Manufactured from the same raw materials as the ashless grades, the qualitative filter paper is suited for ordinary filtration when we need to determine materials by using qualitative analytical techniques in the lab, with the features of fast flow rate due to their structure. Qualitative...

Thursday, July 04, 2019

Hawach Scientific have Qualitative filter paper and Quantitative filter paper, Wet-strengthened filter paper and Asphalt filter paper, right now we also have filter paper for Extraction. Just as mention before, we are a professional manufacturer for filter paper, we have the regular...

Tuesday, July 02, 2019

1. Product No., for example BIO-1. 2. Pore size and flow rate, The bigger pore size, the quicker flow rate. Fast: 60-100S/100ML @ 80-120μm Medium: 100-160 S/100ML@30-50μm Slow：160-200 S/100ML @ 1-3 μm But filter paper is different from filter membrane, the pore size cannot be a certain value...

Monday, June 24, 2019

When using filter paper, we should pay attention to the fact that when the filter paper is not displayed on the paper box of the filter paper, the precipitation should be paid attention to when using the quantitative and qualitative analysis filter papers. (1) Natural filtration is...

Monday, June 24, 2019

Vacuum filtrations are based on the principle that oil and water vaporization temperature is different (water vaporization temperature is lower than oil vaporization temperature) under the same pressure. Vacuum filtrations are a kind of paper filter equipment with the features of...

Thursday, June 20, 2019

Filter paper has excellent filtration property and strong absorption performance on liquid. Scientific workers use filter paper as a kind of media in analytical laboratories to separate solution from solid. Currently, there are mainly three kinds of filter papers which can be purchased...

Thursday, June 20, 2019

A filter paper is an effective filter medium and has been widely used in various fields. The technical indicators of a filter papers can be divided into two aspects: one is the filter characteristics and the other is the physical characteristics. Filtration characteristics include permeability...

Tuesday, June 18, 2019

Qualitative filter papers usually apply to filter at atmospheric pressure, which uses the ability of the material to remove particles to separate the liquid and solid of the sample. It covers most of the laboratory applications, is used commonly for liquid clarification and, sometimes...

Thursday, June 13, 2019

Hawach Scientific work for filter paper for more than 16 years, we are happy to see our products exported to the United States, UK, Germany, Dubai, Thailand, South Korea, and other countries. We are not satisfied with our present achievement, this year our R&D department have good news...

Wednesday, June 12, 2019

When filter paper is used in experiments, it is mostly used together with filter funnel and Brinell funnel. The filter papers should be folded into a suitable shape before using. But it should be noted that do not over fold, because this will lead to the breakage of filter paper....

Friday, June 07, 2019

As mentioned before, Hawach Scientific is a dedicated manufacturer who focuses on R&D, manufacture, and marketing of micro-porous filtration and laboratory consumables products under ISO9001 quality management system. Today we'd like to introduce you how to purchase filter paper from Hawach...

Saturday, June 01, 2019

General Categories of Filter Papers All the Filter Papers of Hawach Scientific Co., Ltd are made of cotton fiber, which can also be divided into qualitative filter papers and quantitative filter papers. The former can be confirmed its compositions and possesses a standard level and...

Tuesday, July 03, 2018

Quantity : 50000

Machallah representative rebar, is specialized in the distribution and trading of steel products for construction is the industry. Based in Dakar, Senegal, we are active in French and Central Africa, developing a distinct reputation for the quality of our steel services and our delivery times...

Wednesday, August 30, 2017

The Feline Panleukopenia Virus Antigen Rapid Test is a lateral flow immunochromatographic assay for the qualitative detection of feline Parvovirusantigen (FPV Ag) in cat's feces or vomit specimen. Assay Time: 5-10 minutes Storage: Room temperature (4-30°C) Shelf Life: 24months ² REAGENTS...

Wednesday, August 30, 2017

The Infectious Canine Hepatitis Antigen Rapid Test is a lateralflow immunochromatographic assay for the qualitative detection of CanineAdenovirus type-I antigen (CAV-I Ag) in secretions from dog's eyes, nasalcavities, and or in serum, plasma specimen. Assay Time: 5-10 minutes Specimen...

Wednesday, August 30, 2017

Giardiais a common intestinal parasite that affects not only dogs but also cats andhumans. It can cause symptoms like diarrhea, vomiting, gas, and abdominaldiscomfort in dogs. The Giardia Antigen Rapid Test is a lateral flow immunochromatographicassay for the qualitative detection...

Wednesday, August 30, 2017

The Canine Corona Virus Antigen Rapid Test is a lateral flow immunochromatographic assay for the qualitative detection of canine Coronavirus antigen (CCV Ag) in dog's feces or vomit specimen. Assay Time: 5-10 minutes Storage: Room temperature (4-30°C) Shelf Life: 24months ² REAGENTS...

Wednesday, August 30, 2017

TheCanine Distemper Virus Antigen Rapid Test is a lateral flow immunochromatographicassay for the qualitative detection of canine Distemper virus antigen (CDV Ag)in secretions from dog's eyes, nasal cavities, and or in serum, plasma specimen. Assay Time: 5-10 minutes Storage: room...

Wednesday, August 30, 2017

The Canine Brucella Antibody Rapid Test is a lateral flow immunochromatographicassay for the qualitative detection of Canine Brucella Antibody (C.Brucella Ab)in dog's serum, plasma, or whole blood. Assay Time: 5-10 minutes Specimen: Serum, plasma or whole blood Storage: Room temperature...

Wednesday, August 30, 2017

Price : USD30

The Canine Parvo Virus Antigen Rapid Test is a lateral flow immunochromatographic assay for the qualitative detection of canine Parvo virus antigen (CPV Ag) in dog's feces or vomit specimen. Assay Time: 5-10 minutes Storage: Room temperature (4-30°C) Shelf Life: 24months ² REAGENTS...

Sunday, November 27, 2016

Quantity : 20 pcs - Price : $0.26

Hydraulic Cylinder Seals PTFE Step Seal Rod Seals Step seal is usually made from synthetic rubber qualitative protection ring and filled ptfe qualitative special shape of rectangular, trapezoidal seal ring, like to circle can be divided into the hole with the step seal and with...