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Thursday, June 20, 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...

Wednesday, June 19, 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...

Saturday, June 15, 2019

What is SPE Cartridge? The term SPE cartridges is short for Solid Phase Extraction cartridge. It is a kind of sample preprocessing equipment (extract, separate and concentrate) which is developed from the chromatographic column. SPE cartridge is mainly used for preprocessing of the...

Friday, June 14, 2019

Hawach introduced the properties and application range of HPLC column stationary phase in the silica gel matrix. Silica gel matrix: Silica gel, weakly acidic, has a strong memory, used to separate non-polar, weakly acidic compounds, oils, etc.; C18, a silica-based uncapped reversed-phase...

Thursday, June 13, 2019

Package 1 QuEChERS extracting pesticide residues from plants Extraction box: 50 ml centrifuge tube + AOAC/EN salt pack 2 kinds of buffer salts: General buffer salt for phase-separation and pH-adjustment; Anhydrous magnesium sulfate completely separates water in the matrix from the...

Tuesday, June 11, 2019

Solid phase extraction (SPE) is a separation process by which compound that is dissolved or suspended in a liquid mixture, thereby being separated from other compounds in the mixture according to their physical and chemical properties. There are 4 general functions as below: 1.Matrix...

Friday, May 31, 2019

Flash Columns Series Flash Columns produced by Hawachhas three series as follows. StarFlash Only silica gel columns are optional with another two types of standard and high-grade level which has higher purity degree and better quality than the former. PureFlash Corresponding to silica...

Monday, April 29, 2019

CN (cyanopropyl) solid phase extraction (SPE) cartridge, CN (cyanopropyl) is a weakly hydrophobic silica matrix filler, which can be used as a normal phase or reverse phase adsorbent. The non-polar or weakly polar acid, medium and basic compounds are extracted from the aqueous solution...

Friday, March 22, 2019

Roha LCD display has a thin-profile design and the width of its screen-to-screen bezel is small. The appearance of “seams” on the video wall is minimized by this design, and the immersive visual experience is developped. Through using the seamless LCD screen which is high-definition...

Friday, March 22, 2019

No matter in a range of sizes or in brightness levels, LCD video wall is available. And the broad selection of premium features can be offered by this LCD seamless video wall. In order to meet your requirements, no matter which one you choose, your video wall will be produced purposefully...

Friday, March 22, 2019

No matter in a range of sizes or in brightness levels, LCD video wall is available. And the broad selection of premium features can be offered by this LCD seamless video wall. In order to meet your requirements, no matter which one you choose, your video wall will be produced purposefully...

Friday, March 22, 2019

No matter in a range of sizes or in brightness levels, LCD video wall is available. And the broad selection of premium features can be offered by this LCD screen video wall Features of 46inch 1.7mm LCD Video Wall. In order to meet your requirements, no matter which one you choose...

Saturday, January 19, 2019

Price : USD 100-1000 / Kilog

Supplying Ability: 100 Kilograms / Week Price Term: FOB Payment Terms: L/C T/T Western Union Port: shanghai Quick Details Country of Origin: China Brand Name: xiancaoyu Average Lead Time: according to the quantity and product Packaging Detail: as required Product Description Product name...

Tuesday, December 18, 2018

Quick Detail: - High Strength, low weight - high stiffness - wear resistance - rigid - UV stable - strick OD / ID control - Many different lengths from 1ft to 55ft are available as requested Description: These carbon fiber telescoping poles slide effortlessly and could be locked...

Tuesday, December 18, 2018

Quick Detail: - High Strength to weight ratio - Good Rigidity - Corrosion resistant - Fatigue Resistant - Good tensile strength - Low coefficient of thermal expansion - Non poisonous - X-Ray Permeable Description: 60FT high modulus carbon fiber pole is a 11-section pole which...

Tuesday, December 18, 2018

Description: Made of hybrid carbon fiber & fiberglass tubes, this range pole is lighter and lasts longer. The main reason is that one of the biggest benefits of using composite tubing in general is the ability of the material to resist weather much better than metals because it...

Tuesday, December 18, 2018

Quick Detail: - very lightweight and easy to operate - cheaper than a steel or aluminum pole of the same height - insulated - do not interfere with the radiation pattern of the antenna - They are available in multiple lengths Description: Fiberglass poles can be manufactured...

Tuesday, December 18, 2018

Quick Detail: - High Strength-to-weight ratio - Less than half the weight of aluminum tubing and at least twice as stiff - Much lighter and stiffer than steel but not as strong - High stiffness low weight - ageing resistance - Standard: ISO9001 - All other different lengths...

Monday, October 29, 2018

Price : 1,03 €/250 gr.

Our ground coffee in 250 gr .. Product Nature: Coffee AFRICA (ground coffee). Origin: ITALY. Traditional roasting in Italy (Grains Africa and Asia 100% Robusta) D.LC: Fresh date. Logistics: Loads of 20 X 250 gr = 60 Loads of 20 packages / pallet = 1200 packages / pallet. Trucks of 33 pallets...

Friday, August 10, 2018

Quantity : 15000 Squa - Price : ¥25 ~ 120 / Square M

Nano aluminum composite panel is a new high-end functional product springing up in the recent years. A semiconductor oxide nanometer coating (current mainly TiO2) is added on the surface of curtain wall plate. The coating is composed of nanoscale particles and nanoscale pore in structure...

Tuesday, July 10, 2018

Features FPM-WSA52 capacitive fingerprint recognition module is a standalone solution with capacitive fingerprint sensor, algorithm processor and on-board template storage. As a total solution, FPM-WSA52 can be used standalone or connected to a host CPU over USB and UART. It can be...

Sunday, July 08, 2018

Quantity : 500meters - Price : 1.5usd

Founded in 2011,shenzhen kaixinliang technology Co., Ltd ,all the name called in HK Thornsun lighting (HK)Co., Ltd ,is well-located in shenzhen city CHINA.LED digital strip,LED pixel light,LED dot matrix and LED bar is my factory main product.We are specialized in LED research,production...

Saturday, June 30, 2018

PDC cutters different features are selected and bit profile design is optimized to suit different drilling applications in different formations to satisfy different requirements when drilling soft to medium hard formations without sulfureted hydrogen well section. Cutting structure...

Friday, June 29, 2018

Matrix turbo diamond blade Arix segment diamond blade made with arix diamond arranged technology for higher performance . Engineered for superior cutting performance on a wide range of materials.Great product for return on investment and performance. Individual diamonds are precisely...

Tuesday, June 26, 2018

● The design of ultra-narrow side( only 0 mm). ● Great viewing angle (horizontal 178 °, vertical 178 °) and excellent reliability. ● It is brightness uniformity, image stability, no flicker, no distortion and complete without curvature big screen. ● Dynamic visual effects that can...

Wednesday, March 21, 2018

Hair removal is a relatively common problem in beauty. I think most women have experienced the problems caused by “hands and feet”. Especially in the summer, everyone should have a stronger desire to do their own hair management. Before hair removal, everyone must understand the “basic...

Thursday, February 22, 2018

- Description of 4G MDVR HQA-8104G - Hopechart Mobile DVR HQA-8104G is a superior and versatile MDVR model, which is specially designed and developed for vehicle surveillance and remote monitoring, combined with high-speed CPU and embedded Linux operating system. Equipped with six...

Thursday, February 08, 2018

Item No.: TailedTeeth-Xiaoblade The concentrated bonded diamond matrix makes this blade the most preferred in the industry for accurate and smooth precision cuts. Product parameters Outer Diameter: 4.5", 5", 6", 7". Thread/Bore: 7/8"/22.2mm Usage(Dry/Wet): Dry or wet Application...

Tuesday, November 28, 2017

- Metal Surface Laser Printer - - 1. general instructions of Metal Surface Laser Printer - 1.1 Logo should be eye-catching, firm, clear handwriting, standard, and do not fade.1.2 mark shall include the supplier's name or supplier's trademark, standard number, brand, specifications...

Saturday, November 18, 2017

Quantity : 1000 - Price : 5,00 €

Diamond cup grinding wheel Diamond cup grinding wheel are designed for surface preparation, concrete and terrazzo floor correction and grinding. It combines superior diamonds, an extremely durable, unique and versatile matrix to create a high performance concrete floor grinding results...