1
Starlab provides PTFE breathable membrane,also called eptfe.It is the best combination of liquid and keep breathable,with function of water proof,air breathe,even have water proof &oil proof membrane type for choice.PTFE has a natural hydrophobic, can prevent the liquid leakage, but allows the gas through. Can be widely used in the medical industry, such as fistula bags, urine bags, it can protect the equipment from external liquid pollution.
At the same time, these waterproof breathable products are a powerful barrier to protecting contaminants
1.dirt
2.dust
3.salinity
4.water
5.Oil,fuel
6.other hazardous liquids
(繼續閱讀...)

cableties 發表在 痞客邦 留言(0) 人氣()

▲top
Solid Phase Extraction (SPE) is a sample pretreatment technology developed from the mid-1980s. By liquid-solid extraction and liquid chromatography technology developed from the combination. The separation, purification and enrichment of the samples were realized by selective adsorption and desorption of the sample components through solid phase packing. The main purpose is to reduce the sample matrix interference, improve the detection sensitivity.
The basic principle and method of solid phase extraction:
SPE is based on the theory of liquid-solid phase chromatography, which is a kind of physical extraction process including liquid phase and solid phase by means of selective adsorption and selective elution. The sample can also be enriched, separated and purified. As a simple chromatographic process.
(繼續閱讀...)

cableties 發表在 痞客邦 留言(0) 人氣()

▲top
图片1
Starlab Stainless Steel Filtration Set included two parts,that is Vacuum Pump and mutibranch filtrtion apparatus combined together to enhance efficiency.They can be sales together or independently to meet diferent customer requirement.
(繼續閱讀...)

cableties 發表在 痞客邦 留言(0) 人氣()

▲top
1. Sample extraction
Accurately weighed shower gel 0.2 g (accurate to 0.01 g) in 10 mL stoppered plastic centrifuge tube, add 3 mL of saturated sodium chloride solution, vortex oscillation 1 min to disperse the sample, accurately add 2 mL of acetonitrile, Spin the extraction of 2 min, 5000 r / min centrifugal 10 min, aspiration of the supernatant in another 50 mL stoppered plastic centrifuge tube, the lower sodium chloride solution with 2 mL of acetonitrile repeated extraction step once, combined with the second acetonitrile extract, 40 mL of high purity water was added to the extract, mixed with 0.2 mL of 10% potassium ferrocyanide solution, mixed with 0.2 mL of 20% aqueous solution of zinc acetate, centrifuged at 5000 r / min for 10 min, supernatant To be purified.
(繼續閱讀...)

cableties 發表在 痞客邦 留言(0) 人氣()

▲top
图片1
Bottle top dispenser is the most common one of the instruments and equipment, for the general acid and alkali and low concentrations of strong acid and alkali and salts. It is capable of accurate, highly reproducible dispensing without wasting reagents while providing safety assurance to operators and experimental environments.
Bottle Top Dispenser Type
(繼續閱讀...)

cableties 發表在 痞客邦 留言(0) 人氣()

▲top
图片1
Pipette is an indispensable tool for experimental operation. For the top experts, it is important to have the minimum error of the experiment and repeat the reproducibility. It is necessary to pay attention to the correct Pipette.
1. Affect factors for the accuracy of Pipettes
(1) temperature:
Room temperature is low, the hand temperature is high, making the air expansion, inhalation of cold solution often occurs error
(2)Air tightness:
The combination of the tips and Pipette body, as well as the Pipette between the long-term wear, resulting in error
(3)Suction rate:
Easy to cause the tip of the bubble and will pollute the tip
(4)The evaporation of reagents:
Volatile,the steam into the tip, the internal pressure increases, the results in the liquid out, the pressure becomes larger and produce errors.
Solution: repeated suction 4-5 times can be improved.
(繼續閱讀...)

cableties 發表在 痞客邦 留言(0) 人氣()

▲top
图片1
HLB hydrophilic lipophilic balance filler prepared by a special copolymerization technology, containing a specific proportion of hydrophilic and hydrophobic groups: hydrophobic divinyl benzene structure to retain non-polar compounds, hydrophilic N-vinyl The pyrrolidone structure retains polar compounds. The filler has a good water wettability, through the water phase to adjust the hydrophilic - lipophilic balance, in order to obtain the desired selectivity.
HLB has a good recovery rate for non-polar to medium polar acidic, neutral and basic compounds, especially for the treatment of complex matrices such as blood, urine and food.
(繼續閱讀...)

cableties 發表在 痞客邦 留言(0) 人氣()

  • 個人分類：
▲top
图片1
1.Product performance: the accuracy and repeatability of the pipette for the vast majority of users, before the purchase of product performance testing both difficult and unnecessary. Therefore, mainly based on the technical data provided by the manufacturer,be sure to consult the manufacturer's written material.
2.The reliability of the product is largely dependent on the material used for the pipette. For the shell, there should be a high impact resistance, corrosion resistance and low thermal conductivity.Of course, high-quality materials often mean higher prices, so the need to consider the purchase price and life factor.
(繼續閱讀...)

cableties 發表在 痞客邦 留言(0) 人氣()

▲top
In the membrane separation technology applications, microporous membrane is the most widely used a variety of membrane varieties, the use of simple and quick. With strong gas flux, high particle retention rate, good temperature resistance, strong acid, alkali, organic solvents and oxidants, anti-aging and non-stick, non-flammable and non-toxic, good biocompatibility and so on. The material is divided into organic and inorganic two categories, in view of the separation characteristics of microporous membrane, microporous membrane application range is mainly from the gas phase and liquid phase retention of particles, bacteria and other pollutants to achieve purification, separation, Concentration purpose. For microfiltration, the film retention characteristics are characterized by the pore size of the membrane, usually pore size range of 0.1 ~ 1μm, so the microfiltration membrane can be large diameter bacteria, suspended solids and so on. Can be used as a general liquid clarification, security filter, air sterilization. Widely applied research, medicine and health, biochemistry, food, energy, microelectronics industry, nanotechnology, environmental protection and other departments.
Application
This product is mainly used for chromatographic analysis of mobile phase and sample filtration, the protection of the column and infusion pump tube system and injection valve, etc. are not contaminated with a good effect. Widely used in weight analysis, microanalysis, colloidal separation and aseptic test. In the course of use, select the appropriate filter according to the filtered sample.
(繼續閱讀...)

cableties 發表在 痞客邦 留言(0) 人氣()

▲top
图片1
1,How to identify NC membrane filter, PVDF membrane filter, nylon membrane filter?
(繼續閱讀...)

cableties 發表在 痞客邦 留言(0) 人氣()

▲top
图片1
Flash column chromatography is a quick and (usually) easy way to separate complex mixtures of compounds. It is widely applied in organic compounds, natural products, biomacromolecule and any other active substance. It is easy to operate, price is low and separation can be very fast. The back pressure is always low with 40-60μm silica absorption as packing material.
(繼續閱讀...)

cableties 發表在 痞客邦 留言(0) 人氣()

▲top
图片1
Bottle dispenser, also known as bottle dispenser, bottle pipette, is a precise measure of liquid reagents and other instruments.Because of its safety in the reliability, easy operation, precision scale, it is widely used in the field of biology and chemistry, as well as clinical medicine, industrial and commercial laboratories.
(繼續閱讀...)

cableties 發表在 痞客邦 留言(0) 人氣()

▲top
第一頁 « 3 4 5 6 7
Blog Stats
⚠️

成人內容提醒

本部落格內容僅限年滿十八歲者瀏覽。
若您未滿十八歲，請立即離開。

已滿十八歲者，亦請勿將內容提供給未成年人士。