SAMPLE - 8641 Annonces

Lundi 16 septembre 2019

Push-in Type The design of push-in automatic sample vial is also common, which is very similar to the manual sample vial. The syringe moves to the sample vial inhale a predetermined amount of sample, then moves to the injection port, and injects the sample into the sample ring. The...

Lundi 16 septembre 2019

Reversed phase chromatography (RP) is the most widely used technique in high-performance liquid chromatography (HPLC) up to now, mainly because it is suitable for the analysis of most of them. Nonpolar substances and many ionizable and ionic compounds. Most stationary phases used...

Lundi 16 septembre 2019

The extraction is divided into liquid phase extraction (LLE) and solid phase extraction (SPE). SPE technology is a column chromatography separation process. The technology is a combination of liquid-solid extraction and column liquid chromatography. The combination of this technology...

Dimanche 15 septembre 2019

Plastic Bottles Shampoo Description: Transparent PET boston round bottles include blue disc top caps for easy dispensing of various products. The transparent PET is vibrant and also provides multiple barriers to storage of your products with ease. Purchase sizes to offer a range...

Dimanche 15 septembre 2019

MiniBottles Empty Plastic Bottles Description: The classic cylindrical minibottles wholesale is made of food grade Pet, which is safer and more reliable.T he bottle Cap is made of Screw Cap, which is connected more tightly, ensuring that the bottle does not leak and the smallmouth...

Dimanche 15 septembre 2019

Nose Spray Bottles Description: Specially designed for patients with rhinitis nasal spray empty bottle, elongated caps drugs can be directly sent to the depths of the nose, to achieve better efficacy, classic cylindrical bottle modeling, plus the transparent bottle cover effectively...

Dimanche 15 septembre 2019

PET Plastic Spray Bottles Description: Made of food grade PEt, the pet plastic spray bottles have excellent optical performance and weatherability, as well as excellent abrasion resistance, dimensional stability, and electrical insulation. The bottle made of PET is of great strength...

Vendredi 13 septembre 2019

Some samples (such as avocado, peanuts, olive oil, etc.) contain more fat. Due to the limited solubility of fat in acetonitrile, the recovery rate of some fat-soluble pesticides (such as HCB, DDT, etc.) is reduced. How to overcome the low experimental results caused by fat? You can...

Jeudi 12 septembre 2019

Quantité : 300pcs/MOQ - Prix : 1.5-10usd

As your baby begins rolling over and starts their trip on learning how to crawl, ,you want a protected and smooth area for them. Learning how to crawl on hardwood floors or ordinary rugs is not ideal; your baby would possibly get a rash or harm themselves. As they are no longer fully...

Jeudi 12 septembre 2019

Filtration is a process in a chemical experiment, separating solids from liquids or gases through a filter medium. Only the fluid or the gas is allowed to pass, not the solid. And the key words of filtration terms can help you understand how the filter works. Hydrophilic, called “water-loving”...

Jeudi 12 septembre 2019

Cellulose extraction thimbles are highly recommended as the high-quality sample reservoirs for quality control, research, and analytical applications especially when solvent extraction of solids and semi-solids need to be carried out. And the use of a Soxhlet extractor loads the safe...

Jeudi 12 septembre 2019

As an important branch of chromatography, high-performance liquid chromatography (HPLC) has become an important application of separation and analysis technology in the fields of chemistry, medicine, industry, agriculture, commodity inspection, and law inspection. Features of high-performance...

Mercredi 11 septembre 2019

Challenge coin also called commemorative coin or souvenir coin, is a small coin or medallion bearing an organization's insignia or emblem and carried by the organization's members. Challenge coin is issued to commemorate some particular event or issue. Donghong Craft is a professional...

Mercredi 11 septembre 2019

For an inhalation automatic sample vial, the sample is sucked into the sample ring by the suction generated by the syringe. This design of automatic sample vial was very popular in the early days because of its simplicity and reliability. However, with the emergence of the other two designs...

Mercredi 11 septembre 2019

The structure of the SPE cartridge is mainly divided into four parts: column tube, sieve plate, adsorbent and supporting device. The characteristics of each part are briefly introduced below. Column tube: A carrier for the adsorbent, made from serum grade polypropylene. Commonly used...

Mardi 10 septembre 2019

1. Advantages and disadvantages of commonly used extraction solvents Acetonitrile: easy to salt out; compatible with LC/MS; difficult to concentrate Acetone: not easy to salt out; easy to volatilize, concentrate Ethyl acetate: immiscible with water; less extraction of impurities;...

Mardi 10 septembre 2019

Extraction thimbles are often used when you need multiple extraction cycles to dissolve the desired compound in the lab. Extraction units such as the Soxhlet extractors or automized extractors, equipped with extraction thimbles, can save time of handling and make the extraction complete...

Lundi 09 septembre 2019

Nano-particle Size Analyzer Nanoptic 90 is a nanoparticle analyzer based on the well-known technique of dynamic light scattering (DLS). Nanoptic 90 can measure nano materials with size down to 1nm. The high-power long lifetime laser and high sensitivity PMT provide Nanoptic 90 the...

Lundi 09 septembre 2019

Laser Particle Size Analyzer (Dry & Wet Dispersions) The integrated and robust laser particle size analyzer, Bettersizer 2600, can deliver reliable particle size measurement results from submicron to millimeter. Driven by the innovative optical system and Standard Operation Procedure (SOP)...

Samedi 07 septembre 2019

In the introduction of liquid transfer devices last time, we introduced the basic concept, application scope and storage method of the bottle-top dispenser and liquid transfer Pipettes. Today we briefly introduced the accessories and consumables often involved in these liquid transfer devices...

Samedi 07 septembre 2019

Quantité : 5000platfo - Prix : 80000usd

Bolt: Mechanical parts, cylindrical threaded fasteners with nuts. A type of fastener consisting of a head and a screw (a cylinder with an external thread) is required to be fitted with a nut for fastening the two parts with through holes. This type of connection is called a bolted connection...

Vendredi 06 septembre 2019

Quantité : 1000 - Prix : 100USD-10000USD

Spectrum Transmission Meter UV IR Transmission Meter test film glass window tint with 940 IR 365 UV 380-760nm VL LS183 LS183 is able to simultaneously measure and display UV, Visible and Infrared transmission values. This meter is self-contained light sources and self-calibration...

Vendredi 06 septembre 2019

Quantité : 1000 - Prix : 100USD-10000USD

Webster Hardness Tester W-B92 W-B92 series Webster hardness tester for stainless steel can quickly test the hardness of stainless steel on site. It is convenient to operate,and as long as clamping the test can be finished. The hardness value can be read directly with high efficiency...

Vendredi 06 septembre 2019

Quantité : 1000 - Prix : 100USD-10000USD

The Features of High Precision Benchtop Spectrophotometer Colorimeter It has high precision and uses the setting of the pre-positioning board, which eliminates the need to use the standard blackboard and whiteboard during the calibration of the traditional colorimeter and color difference meter...

Vendredi 06 septembre 2019

Quantité : 1000 - Prix : 100USD-10000USD

Colorimeter is widely used in the color management field of plastics, printing, paint, ink, textile, printing metals, dyeing garments, household appliances and scientific research institution. There are many kinds of colorimeter, such as lab colorimeter and spectrophotometer color meter...

Vendredi 06 septembre 2019

Prix : USD0.5~30

Our factory is specialized in manufacturing these kinds of cartoon plush earmuffs for children, women and men. We can make custom styles and offer samples very quickly. All the materials used are safe to conform to the US and EU norms. The framework is 100% plastic so that every piece...

Vendredi 06 septembre 2019

Prix : USD0.5~30

Elephant is one of the most popular animals among all kinds of stuffed animals toys, and many babies are very fond of the smart, domesticated animals like elephants. This is a very colorful style of plush elephant toy. There are four colors to choose from (pink, blue, gray and brown)...

Mardi 03 septembre 2019

Hawch disposable syringe filter is a fast and reliable filtering tool commonly used in laboratories. With the beautiful appearance, light weight and high cleanliness, it is quite available in basically any kind of filtration experiments, including food analysis, bio-fuel analysis...

Mardi 03 septembre 2019

Sample vial has gained significant progress in performance and variety in recent years. To meets the needs of customers at a higher level, our company has launched three kinds of sample vials, there is screw top sample vial, crimp top sample vial and snap top sample vial. All of them...

Mardi 03 septembre 2019

Chemical properties of the chromatographic column could affect the performance of the C18 HPLC column. Performance factors of C18 HPLC columns: bonding type Single tooth bonding can improve the mass transfer rate and accelerate column balance. Double tooth bonding can increase the...