RESIDUE - 1013 Anuncios

China 63000 Construcción
White Portland Cement

Martes 23 julio 2019

White Portland cement or white ordinary Portland cement (WOPC) is similar to ordinary, gray Portland cement in all respects except for its high degree of whiteness. Obtaining this color requires substantial modification to the method of manufacture, and because of this, it is somewhat...

OREWORLD TRADE(TANGSHAN) CO., LTD.

  • 63000 - tangshan
  • 03155392228
China 710077 Varios / Descuento
Method of Cleaning The Solution Of The Sample Vial

Lunes 15 julio 2019

The sample vials were cleaned according to different contamination levels. Generally, the cleaning method is selected according to the degree of pollution. If the cost is adequate, it is best to use a new one every time. Solution method of cleaning sample vials: 1. Rinse with running...

Hawach Scientific Co.,Ltd.

  • 710077 - Xi'an
  • +86 29 89284429
  • +15 1 02 91 81 33
China 710077 Varios / Descuento
Introduction of QuEChERS

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...

Hawach Scientific Co.,Ltd.

  • 710077 - Xi'an
  • +86 29 89284429
  • +15 1 02 91 81 33
China 710077 Varios / Descuento
Pretreatment for Pesticide Residue Detection – QuEChERS

Viernes 12 julio 2019

Today, Hawach want to talk about the pre-treatment process for pesticide residue detection from the perspective of food safety – QuEChERS, and also tell you how to pre-treat pesticide residue food. Introduction The present analytical methods and determining techniques, pre-treatment...

Hawach Scientific Co.,Ltd.

  • 710077 - Xi'an
  • +86 29 89284429
  • +15 1 02 91 81 33
China 710077 Varios / Descuento
Polymeric MCX SPE Cartridges

Martes 09 julio 2019

Polymeric MCX SPE cartridges are used to extract strongly alkaline compounds. MCX is a mixed strong cation exchange adsorbent obtained by bonding sulfonic acid groups on highly crosslinked PS/DVB surface. It has both reverse phase and cationic exchange retentive properties and good...

Hawach Scientific Co.,Ltd.

  • 710077 - Xi'an
  • +86 29 89284429
  • +15 1 02 91 81 33
China 710077 Varios / Descuento
A Brief Description of QuEChERS

Lunes 08 julio 2019

QuEChERS is a pretreatment that has the characteristics of Quick、Easy、Cheap、Effective、Rugged and Safe, which is the reason why it is becoming more and more popular in the new testing methods. It was developed by Professor Anastassiades in 2003, which was used in agricultural testing at first...

Hawach Scientific Co.,Ltd.

  • 710077 - Xi'an
  • +86 29 89284429
  • +15 1 02 91 81 33
China 710077 Varios / Descuento
Overview of SPE Technique

Lunes 08 julio 2019

SPE Technique Introduction SPE(Solid-phase Extraction), is an increasingly popularized technology of sample pretreatment, which is established on the basis of traditional LLE(Liquid-liquid Extraction). Combined with the substance interaction mechanism that like dissolves like, and...

Hawach Scientific Co.,Ltd.

  • 710077 - Xi'an
  • +86 29 89284429
  • +15 1 02 91 81 33
China 710077 Varios / Descuento
Polymeric HLB SPE Cartridges

Jueves 04 julio 2019

The filler of polymeric HLB SPE cartridges produced by a special copolymerization technology contains a certain proportion of the hydrophilic group and the hydrophobic group. Hydrophobic divinyl benzene structures retain nonpolar compounds and hydrophilic n-vinyl pyrrolidone structures...

Hawach Scientific Co.,Ltd.

  • 710077 - Xi'an
  • +86 29 89284429
  • +15 1 02 91 81 33
China 710077 Varios / Descuento
The Introduction Of Deactivated Sample Vials

Jueves 04 julio 2019

The silicon hydroxyl group with strongly polar on the surface of glass sample vials will adsorb the samples. Based on such reasons, people produce hydrophobic glass surface through silylating the sample vials in order to eliminate the adsorption of the sample vials, which is widely...

Hawach Scientific Co.,Ltd.

  • 710077 - Xi'an
  • +86 29 89284429
  • +15 1 02 91 81 33
China 710077 Varios / Descuento
How Does SPE Extraction Work During the Whole Process?

Jueves 04 julio 2019

Activation, also known as solvation, add a suitable solvent to expand the functional groups on the adsorbent and remove possible interferences on the adsorbent. Equilibrium, remove the activated solvent to create a suitable solvent environment for sampling. Usually, use the same solvent...

Hawach Scientific Co.,Ltd.

  • 710077 - Xi'an
  • +86 29 89284429
  • +15 1 02 91 81 33
China 710077 Varios / Descuento
A Brief Introduction of QuEChERS

Jueves 04 julio 2019

As an acronym for Quick, Easy, Cheap, Effective, Rugged and Safe, the method of QuEChERS achieves as a variety of sample preparation and clean-up techniques for the analysis of multiple pesticide residues in the field of agriculture. Originally designed for the analysis of fruits and vegetables...

Hawach Scientific Co.,Ltd.

  • 710077 - Xi'an
  • +86 29 89284429
  • +15 1 02 91 81 33
China 710077 Varios / Descuento
QuEChERS for Agricultural Residue Pretreatment

Martes 02 julio 2019

The average sample addition recovery rate of QuEChERS method is higher than 85%, with fewer impurities interfering with the detection of the target substance, a small amount of solvent, simple and fast operation, which will be the preferred pretreatment method for routine detection...

Hawach Scientific Co.,Ltd.

  • 710077 - Xi'an
  • +86 29 89284429
  • +15 1 02 91 81 33
China 710077 Varios / Descuento
The Knowledge of Glass Microfiber Extraction Thimbles

Martes 02 julio 2019

Fitting most commercially available Soxhlet extractors, we offer a variety of selection of high-quality extraction. To achieve an efficient and reliable analysis in the lab, the extraction thimbles are used to extract certain components out of the sample of solid material. The thimbles...

Hawach Scientific Co.,Ltd.

  • 710077 - Xi'an
  • +86 29 89284429
  • +15 1 02 91 81 33
China 710077 Varios / Descuento
Principles for Selecting SPE Cartridges Specifications

Lunes 01 julio 2019

After selecting the type of SPE cartridges, we have to determine the specifications of the SPE cartridge. The principle of selecting the SPE cartridge specification is to first ensure that the SPE cartridge packing has sufficient capacity to retain the target compound 100% on the column...

Hawach Scientific Co.,Ltd.

  • 710077 - Xi'an
  • +86 29 89284429
  • +15 1 02 91 81 33
China 710077 Varios / Descuento
Applications of QuEChERS Technology in Pretreating Food Safety Testing Samples

Lunes 24 junio 2019

QuEChERS is widely used in many areas, in the case that the targeting recovery rate satisfies the need, and also the matrix background of removing impurities meets detection, it can be applied to purify stuff such as residues of food and veterinary, additives, plasticizers. However...

Hawach Scientific Co.,Ltd.

  • 710077 - Xi'an
  • +86 29 89284429
  • +15 1 02 91 81 33
China 710077 Varios / Descuento
QuEChERS Method to Overcome Matrix Interference

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...

Hawach Scientific Co.,Ltd.

  • 710077 - Xi'an
  • +86 29 89284429
  • +15 1 02 91 81 33
China 710077 Varios / Descuento
Easy to Understand the QuEChERS

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...

Hawach Scientific Co.,Ltd.

  • 710077 - Xi'an
  • +86 29 89284429
  • +15 1 02 91 81 33
China 710077 Varios / Descuento
Hawach QuEChERS Solutions

Jueves 13 junio 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...

Hawach Scientific Co.,Ltd.

  • 710077 - Xi'an
  • +86 29 89284429
  • +15 1 02 91 81 33
China 710077 Varios / Descuento
More Advanced Pesticide Analysis QuEChERS Solution

Viernes 07 junio 2019

QuEChERS method was originally applied to extract pesticides from fruits and vegetables. Whether under AOAC or EN stipulations, according to our products' Application and Test Report, we can see that the combination of salting out and d-SPE-purification in the initial liquid-liquid...

Hawach Scientific Co.,Ltd.

  • 710077 - Xi'an
  • +86 29 89284429
  • +15 1 02 91 81 33
China 710077 Varios / Descuento
Introduction of Syringe Filters

Viernes 07 junio 2019

Syringe filters are one of the types of filters. The structure design of the syringe filter is precise and the liquid is filtered smoothly. Internal space design is reasonable, so the residue rate is very low. In addition, the syringe filter has the following characteristics. Characteristics...

Hawach Scientific Co.,Ltd.

  • 710077 - Xi'an
  • +86 29 89284429
  • +15 1 02 91 81 33
China 518000 Informática
2.5D, 3D mobile phone tempered glass screen protector

Miércoles 05 junio 2019

Raw Materials Japan AGC Glass with 0.33mm thickness Japan explosion-proof AB glue South Korean imported Coating Processing Methods Imported high quality glass raw materials Etched glass shape and hole Tempered glass processing Vacuum plasma coating to anti-fingerprint on glass surface...

Shenzhen UFUTUREME Technology Co., Ltd.

  • 518000 - Shenzhen
  • 075527499399
China 710077 Varios / Descuento
A Brief Instruction on Extraction Thimble Size And Media Options

Miércoles 05 junio 2019

Extraction thimble sizes should be decided as per users' specific applications. Every single size represents the particular practice of displaying the internal diameter and general length of the thimble in millimeters. Thus the extra allowance for the thickness of the thimble wall...

Hawach Scientific Co.,Ltd.

  • 710077 - Xi'an
  • +86 29 89284429
  • +15 1 02 91 81 33
China 710077 Varios / Descuento
The Cleanliness of Syringe Filter

Martes 04 junio 2019

What should we consider when it comes to purchasing syringe filters of high cleanliness? When we talk about syringe filter cleanliness, we should consider particle contamination from filter, filter hardware, filter installation and the using process as each source may increase the...

Hawach Scientific Co.,Ltd.

  • 710077 - Xi'an
  • +86 29 89284429
  • +15 1 02 91 81 33
China 364400 Bienes de equipo
Electric Cleaning Agent

Lunes 03 junio 2019

Electric Cleaning Agent is mainly used for eradicating dirt, dust, and contaminations on the power equipment surface especially clean those which surface was heavily polluted. After cleaning it can significantly enhance the adhesion between the RTV coatings and the surface of insulator...

Fujian Ruisen New Materials Co., Ltd.

  • 364400 - zhangping
  • 0597 3271526
China 450000 B2B Servicios
Retail Electric Flat Die Wood Pellet Mill

Miércoles 06 marzo 2019

Electric flat die wood pellet mill is suitable for medium, small sized wood pellet plants or family for commercial heating or warming. The raw materials can be sawdust, agricultural residues or energy crops. Electric Flat Die Wood Pellet Mill Features ▷The machine can suppress biomass...

Whirlston Wood Pellet Line

  • 450000 - Zhengzhou
  • +18 3 37 16 58 11
China 430300 Medicina
Athletic Tape

Lunes 21 enero 2019

Athletic Tape 1.Waterproof·Elasticity 170%, good tensile strength·Strong and reliable sticky with high adhesion.Elastic cotton substrate.Latex free. 2.Soft, comfortable and skin breathable with cotton material.Hypoallergenic adhesive, leaves no residue on body parts. Ubicación : Block 8...

Hubei Devoling Livestock Instruments Co.,Ltd

  • 430300 - Hubei
  • 86 27 85715936
China 450000 Bienes de equipo
Ceramic Knife Gate Valve,ceramic gate valve

Viernes 21 diciembre 2018

Cantidad : 150 pcs/mo - Precio : 1000 USD/pcs

Las Válvulas de Compuerta de Cuchillo de Cerámica de Válvula GRATUITA son conocidas como válvulas de compuerta de lodo. Tiene una estructura simple y puede cortar el medio que contiene partículas sólidas y fibras, pero para algunas partículas muy duras o medios erosivos serios, las...

Zhengzhou Free Fluid Control Technology Co.,Ltd

  • FREE-VALVE
  • 450000 - Zhengzhou
  • +86 0371 55019379
  • +86 13523029957
Marruecos 20570 Alimentación
Menta marroqui

Martes 23 octubre 2018

Cantidad : + 1.000.00

Buenos dias, Soy un joven productor de menta marroquí en la región de Oulad Said (SETTAT), trabajo bajo las normas, puedo proporcionarle certificados de análisis que hago muy a menudo para un control muy preciso (Suelo, foli, agua de riego, residuos de plaguicidas) No dudes en contactarme...

  • 26000 - Settat
  • 00212522673119
  • 00212661809387
China 450014 Bienes de equipo
Solid Liquid Separator - Dewatering Machine

Viernes 24 agosto 2018

This solid liquid separator equipment mainly used in animal manure management, such as cow dung, chicken manure etc. It separates the solid from the liquid. After separation, the organic solids can be further processed into organic/bio organic fertilizer or commercial compost for sale...

Whirlston Organic Fertilizer Machinery

  • 450014 - Zhengzhou
  • 8637165950309
Hungría 5530 Alimentación
Reciclaje de aceite de cocina usado, UCO para biodiesel

Lunes 28 mayo 2018

Cantidad : 1700 Tonne - Precio : €240/Tonne métrique

ACEITE DE COCINA UTILIZADO ARTÍCULO ESTÁNDAR Ácidos grasos libres 3% Max M.I.U (Humedad e impurezas) 0.1% máximo Valor de saponificación: 18185-1955-195 Valor de yodo: 120 Título C (punto de fusión) 13.75 'C Gravedad Específica @ 25'C 0.915 Densidad (kg / m3) 920 Flashpoint por P...

Kertland Kft

  • 5530 - Budapest
  • +36 3 07 93 44 75
  • +36 3 05 71 66 85
Nombre de resultados por pàgina : 6 30 150

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