TUBES - 7451 Anuncios

Lunes 15 julio 2019

The solid phase extraction cartridges (SPE column, or Solid Phase Extraction Cartridges, or SPE cartridges for short) is a sample pretreatment device for extraction, separation and concentration developed from a chromatography column. Mainly used in sample pretreatment of various foods...

Sábado 13 julio 2019

Use high temperature resistant low-temperature magnetic drive pump or a leak-free high and low-temperature shield-driven pump, reduce the risk of system leakage. At the same time, the screw water chiller system has the advantages of low noise and big traffic flow. Typical application...

Viernes 12 julio 2019

Characteristics of QuEChERS QuEChERS is a pretreatment method for pesticide residue detection. This paper refers to the products produced by our company. Its name comes from the acronyms of the words “Quick, Easy, Cheap, Effective, Rugged, Safe”, which are also the characteristics...

Jueves 11 julio 2019

First, the purpose of the request The colorectal flora in water was determined by the membrane method. Second, the basic principles The filter membrane method uses a filter to filter the water sample, and the bacteria are trapped on the filter membrane, and then the filter membrane...

Jueves 11 julio 2019

SPE column or SPE cartridges are based on liquid-solid phase chromatography theory, it is a kind of extraction, separation, concentrated sample preparation unit. Mainly used in sample pretreatment of various foods, agricultural and livestock products, environmental samples and target...

Miércoles 10 julio 2019

According to the research from the United States Department of Agriculture, the QuEChERS meth od which extracts pesticide from foods is fast, convenient, cheap, effective and secure. When it compares to the traditional SPE method, QuEChERS not only uses less solvent but also adopts...

Martes 09 julio 2019

First, the purpose of the request The colorectal flora in water was determined by the membrane method. Second, the basic principles The filter membrane method uses a filter to filter the water sample, and the bacteria are trapped on the filter membrane, and then the filter membrane...

Lunes 08 julio 2019

Description of One Motor Two Leg Electric Height Adjustable Standing Desk Frame： With our Electric Height Adjustable Standing in the market promotion of increasingly mature, people are familiar with the magic effect of our products. Not only good for your health, but it also gives you energy...

Lunes 08 julio 2019

Description of One Motor One Leg Electric Height Adjustable Standing Desk: One motor electric adjustable standing one leg desk is suitable for platform. Supported by YN-D07 environmental control box, it can be easily moved to the desired height by pressing a button on the controller...

Lunes 08 julio 2019

The feature of JH-D03 BTE FM Balanced Armature Loudspeaker Open Fit Hearing Aid Hearing Amplifier 1. Modeling exquisite, the button is obvious, easy to operate; 2. Open fit hearing aid can change the ear tube as you need, comfortable wear; 3. Corresponding uncomfortable threshold...

Lunes 08 julio 2019

The laboratory vacuum filter unit is designed for laboratory users to filter solid-liquid separation of liquid samples. Stai nless Steel Vacuum Filtrations operation steps: 1. Place the glass filter bottle on the stainless steel vacuum filtrations and insert the silicone plug of...

Domingo 07 julio 2019

Microcomputer control, cascade temperature controller, digital temperature display, the regulation of unit 0.1℃, inside the temperature range -20 ℃ ~ -125 ℃ adjustable. Multi-safety protection, more reliable operation. France TECUMSEH compressor, Germany DANFOSS compressor, EMERSON compressor...

Viernes 05 julio 2019

The product mainly includes two parts: extraction boxes and purification boxes. Extraction boxes include salt bags and 50 ml centrifugal tubes. Due to the high transportation cost of 50 ml centrifugal tubes and the general unacceptability of customer laboratories, more customers will...

Viernes 05 julio 2019

Generally speaking, bottle-top dispenser which is a scientific device could improve the wide application, safety performance, speed and reliability. In addition, it could save your time and work, even protect you and your samples. To be more specific, the advantages of the bottle-top...

Jueves 04 julio 2019

Precio : US $1 - 3,000 / Set

Basic information The double orifice air release valve is a pipeline will be matched equipment, apply to the temperature does not exceed 100 water, hot water pipe on the pipe from the air. Features 1. Body is provided with a shock-proof inner tube to protect the float 2. Lower...

Martes 02 julio 2019

Hawach bottle-top dispenser combines the latest liquid accurate dispensing technology, high-tech materials, and ergonomically designed advanced dispensers, which are simple, safe, reliable and highly accurate laboratory liquid handling equipment. Bottle-top dispenser features 1. Fast...

Martes 02 julio 2019

Wormhole Assorted Tattoo Needles #12 Standard Disposable & Sterilized Mix Sizes 3RL 5RL 7RL 9RL 5RS 7RS 9RS 5MG 7MG 9MG Tattoo Liner Needles Tattoo Shader with Blue Dot - Box of 50 Features : -Brand: Wormhole -Use: For one-time use only. -Package: Each tattoo needles are sealed...

Lunes 01 julio 2019

- Heat Resistant Silicone Adhesive/Sealant - 3912R - - FEATURES OF GOLOHO-3912R - ·UL certificated product(E254532)·One-part RTV silicone rubber· Exposure to humid air can be cured at room temperature· Flowing · Form rubber elastomer · Use at: -50~200℃· Excellent insulating and...

Lunes 01 julio 2019

- High Performance Silicone Adhesive/heat resistant waterproof Sealant - 3334 - - FEATURES OF GOLOHO-3334 - Convenient: one-part, deoximation, rapid cure at room temperature Neutral, no corrosion to metal, anti-yellowing. Excellent adhesive to hard bonding materials without prime Use at...

Domingo 30 junio 2019

Wormhole Tattoo Complete Tattoo Kit for Beginners Tattoo Power Supply Kit 10 Tattoo Inks 20 Tattoo Needles 2 Pro Tattoo Machine Kit Tattoo Supplies TK1000040 About the product - Complete professional tattoo kit is a good choice for BEGINNERS, LEARNERS, TATTOO ARTISTS. - 1 x 8 wrap...

Lunes 24 junio 2019

Precio : USD44,000 to USD17,0

The 36-meter concrete pump truck is an excellent medium and short arm pump truck, which is made after HBT towing pump, HBC on-board pump and HGY hydraulic concrete dispenser. It is a high-efficiency, integrating running, pumping and cloth. At present, some advanced manufacturers have...

Lunes 24 junio 2019

Precio : USD44,000 to USD17,0

Concrete mixer pump truck is a special truck used to transport concrete used in construction, Because of its appearance, it is often called the field screw truck, olive truck. These trucks are equipped with cylindrical agitators to carry the mixed concrete. During the transportation...

Lunes 24 junio 2019

Precio : USD44,000 to USD17,0

Our own number: 535 1. Re-manufactured Sany 45 meters concrete pump, Isuzu chassis, 4RZ boom ground jack is leg lifting. First-level standard maintenance. High working stability. 2. 20 hours pressurized with water and debugging, exempted from inspection in perfect condition. New tires...

Lunes 24 junio 2019

Today, we're going to show you how to clean a bottle-top dispenser. Before we get it started, let's prepare a bottle of neutralization liquid, a bottle of distilled water, a bottle of the ethanol-glycerol mixture, a soft brush and a pipe cleaner. Now, let's follow the steps below...

Domingo 23 junio 2019

Multi cyclone dust collector design CLK Diffusion Cyclone Dust Collector CLK diffusion cyclone dust collector is suitable for supplementing dry non-fibrous granular dust. The main feature is that the barrel body is inverted cone shape, thus reducing the possibility of dust gas from...

Viernes 21 junio 2019

The cation chromatography column is a kind of high-performance liquid chromatography, which is a liquid chromatography method for analyzing anions and cations. The method has the advantages of good selectivity, sensitivity, rapidity, and simplicity, and can simultaneously measure...

Jueves 20 junio 2019

Extraction is often susceptible to matrix interference. One analytical method is fine in this matrix but can become problematic in another matrix. If we encounter such a situation, how can we improve the QuEChERS method to overcome it? For pesticide residues, most of the food samples...

Miércoles 19 junio 2019

Take the example of pear test to check whether a pear is up to the standard. Prepare the environment The first step: Suitable Acetonitrile salting-out extraction environment was prepared. Make the pears into a puree, take 10g to QuEChERS centrifuge tube of 50ml. Add extract solution...

Martes 18 junio 2019

Cantidad : you need - Precio : 2859$

We provide ingersoll rand oil free air compressor 10T3NL compressor head spare parts. Like: valve deck,piston,O-ring,filter contact subassembly,unloading / control tube subassembly,spring,unloading valve deck,muffler,gasket,ect. Part number: ingersoll rand 22009025 ingersoll...

Martes 18 junio 2019

After running for a period of time, the normal operation of ultra-low temperature circulating water chiller needs comprehensive maintenance and maintenance. For many enterprises, due to the weak consciousness of daily maintenance, the cryogenic cycle water chiller has been used for...