SAMPLES - 8638 Annonces

Mardi 24 septembre 2019

Screw thread top sample vials have excellent chemical stability, sealing and corrosion resistance, and are available in both transparent and amber. The cap of sample vial has a solid lid and a perforated lid, which can be divided into black and blue. This series of products are designed...

Mardi 24 septembre 2019

Suitable for a general flash chromatography method analysis, the flash column chromatography is the method of isolating a component from a mixture and purify it as well. Different from the old method: long column chromatography technology, flash column chromatography can separate...

Dimanche 22 septembre 2019

What is Finishing Services? When developing products, you need to make testable samples for various tests. In addition to the standard requirements for the performance of the materials and the consistency of the molding, many occasions need to beautify the appearance and connect the...

Vendredi 20 septembre 2019

Quantité : 1 - Prix : 10,00 €

Surligner Moins cher casque sans fil BT BT V5.0 TWS casque IPX7 étanche Airoha casque avec haute qualité stéréo !!! S'il vous plaît noter: Le prix fourni dans le site Web alibaba est sans signification, bienvenue à demander le prix réel par email ou par enquête. Description du produit 1...

Vendredi 20 septembre 2019

Quantité : 1 - Prix : 10,00 €

Surligner Bracelet intelligent Android 5.1 quad-core Bracelet intelligent 3G WCDMA Bracelet intelligent avec IP67 GPS 400 * 400 pixels Description du produit !!! S'il vous plaît noter: Le prix fourni dans le site Web alibaba est sans signification, bienvenue à demander le prix réel...

Vendredi 20 septembre 2019

Quantité : 1 - Prix : 100,00 €

Surligner Moins cher Usine Android 8.1Octa-core Tablette Durci GPS IP68 Tablet PC étanche avec 10000mAh Batterie Tablet Pust Proof !!! S'il vous plaît noter: Le prix fourni dans le site Web alibaba est sans signification, bienvenue à demander le prix réel par email ou par enquête...

Vendredi 20 septembre 2019

Quantité : 1 - Prix : 100,00 €

Surligner Moins cher Usine 4 pouces octa-core talkie-walkie robuste téléphone IP68 Numérique smartphone avec NFC DMR robuste téléphone !!! S'il vous plaît noter: Le prix fourni dans le site Web alibaba est sans signification, bienvenue à demander le prix réel par email ou par enquête...

Vendredi 20 septembre 2019

Quantité : 1 - Prix : 0,10 €

Surligner Étiquette de prix électronique d'usine la moins chère 4.2 pouces affichage électronique intelligent ESL sans fil !!! S'il vous plaît noter: Le prix fourni dans le site Web alibaba est sans signification, bienvenue à demander le prix réel par email ou par enquête. Description...

Vendredi 20 septembre 2019

1. Color: Red & Gray wire and Gray aluminum alloy shell ( Other colors can be customized ) 2. Wire material: High Quality iphone cable nylon 3. Function: Connect USB3.1 Type-C interface device for charging or connect Apple lightning interface device for charging and high-speed...

Vendredi 20 septembre 2019

Prix : 1-100usd

Description Application domain: orthopedics Material: Ultra-high anti-rust high-hardness stainless steel, general rust-proof ultra-high wear-resistant stainless steel, ceramic Type: Bone saws, Gums saws LZQ is an OEM factory for all kinds of dental implant wrenches, such as Bone Saw P250...

Vendredi 20 septembre 2019

Prix : 1-100usd

Description of stainless steel precision parts LZQ is an OEM manufacturing facility for all sorts of dental implant associated parts, such as implant, screw, abutment, transfer, fixation pin, stopper, impression cap, healing cap, mount, analog, ect. We can produce a entire package...

Vendredi 20 septembre 2019

Prix : 1-100usd

Description of sinus lift burs Application domain: dental, orthopedic surgery, maxillofacial surgery, neurosurgery Material: Ultra-high anti-rust and high-hardness stainless steel, Ultra high rust-proof and high wear-resistant stainless steel, diamond, carbide, SDC&CBNC LZQ is...

Vendredi 20 septembre 2019

What is the Vacuum Casting? The vacuum casting technology which uses prototype (SLA laser rapid prototyping piece, CNC products) to make silicone mold under vacuum, and is poured under vacuum conditions, such as PU, ABS, etc. Vacuum casting is also used to clone the prototype or copy the piece...

Vendredi 20 septembre 2019

Syringe filter can be used in the analysis of high performance liquid chromatography and IC. It is an important step in sample pretreatment to filter sample solution. The syringe filter with high quality is produced by using the most advanced detection means and production technology...

Vendredi 20 septembre 2019

The sample vial is a device which is widely used in chemical and medical fields. Currently, sample vial provided by our company falls into three types: screw top sample vial, crimp top sample vial and snap top sample vial. All of them provides with good quality and excellent chemical...

Vendredi 20 septembre 2019

Hawach Scientific company specializes in the production of PES filter membrane, stable quality, products exported to Europe, North America, and other countries. We have more than 16 years of experience in the filtration industry. Pore size : 0.1um /0.22um/0.45um/0.65um/0.8um/1.2um Diamter ...

Vendredi 20 septembre 2019

Solid phase extraction is essentially a liquid chromatographic separation. The main separation mode is the same as that of liquid chromatography. It can be divided into normal phase (the polarity of the adsorbent is greater than the polarity of the eluent), and the reverse phase (the...)

Jeudi 19 septembre 2019

Description of Sit Stand Desk Converter： Sit stand desk converter can turn your desk into a healthy workstation in a few minutes. Adjustable standing computer workstation supports single, double, three, or four panel displays and function button height adjustment. This Workstation-...

Jeudi 19 septembre 2019

The determination of 10 plant polyphenols in tobacco samples by solid phase extraction and high-performance liquid chromatography as below: Plant polyphenols are important substances in tobacco. The content of polyphenols in tobacco has an important influence on tobacco quality. Therefore...

Mercredi 18 septembre 2019

Quantité : 20GP - Prix : 5USD

Description of Calcium aluminate cement Calcium aluminate cement, alumina cements or high alumina cements are obtained by the reaction at high temperature of lime (from limestone) and alumina (contained in natural minerals like bauxite). The product obtained after cooling is a hard mineral...

Mercredi 18 septembre 2019

Quantité : 20GP - Prix : 5USD

Description of Calcium aluminate cement Calcium aluminate cement, alumina cements or high alumina cements are obtained by the reaction at high temperature of lime (from limestone) and alumina (contained in natural minerals like bauxite). The product obtained after cooling is a hard mineral...

Mercredi 18 septembre 2019

Selection of scavengers The conventional QuEChERS method only uses PSA which is too simple single that can no longer meet the complex matrix samples examination experiments. GCB (graphitized carbon black) can effectively adsorb pigments, non-polar interferences such as sterol due...

Mercredi 18 septembre 2019

In the analysis of HPLC, the packing size of chromatographic column is small, and it is easy to be blocked by impurity particles. Therefore, samples and solvents need to be pre-filtered to remove particulate pollutants and protect chromatographic columns and instruments. Ion chromatography...

Mercredi 18 septembre 2019

In chromatographic experimental analysis, a device that can quantitatively feed a sample bottle into a chromatographic column is called a sample vial. Sample vials are divided into manual and automatic sample vials. The automatic sample vial is an intelligent and automatic sampling...

Mardi 17 septembre 2019

Composed of a filter medium encased in a plastic housing, the filter capsule is a kind of self-contained unit which can be connected in-line to a sample-delivery system, such as a submersible or peristaltic pump. The unit can generate sufficient positive or negative pressure to force...

Lundi 16 septembre 2019

Now the electronic products emerge in an endless stream, with the increasingly serious homogenization of commodities, a product without innovation will gradually be banned and eliminated. So, the primary focus to attract consumers' attention is the electronic products packaging. However...

Lundi 16 septembre 2019

The syringe filter is mainly used for the filtration of solvent samples, which holds a crucial position in the sample prefiltration procedure, especially in the HPLC sample analysis. There are two basic aspects of the syringe filter that should be learned and memorized clearly. Composition...

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...