RESIDUE - 1046 Anuncios

Tuesday 08 October 2019

It is not difficult to find the early application of QuEChERS in pesticide residue detection in China, mainly for single pesticide detection, and most of the extraction and purification targets are carbamate, organophosphorus and pyrethroid. With the development of technology, the...

Tuesday 08 October 2019

Hawach glass fiber extraction thimble, made of borosilicate glass fibers, is a quite common tool used laboratory. Just like all the other kinds of extraction thimbles, it could also be used with most Soxhlet extraction devices in the market, and for other extraction, experiments required...

Tuesday 08 October 2019

With the increasing difficulty of detection and the increasing requirement of detection, a large number of analytical instruments have entered the laboratory, and bottle top dispenser is one of them. The characteristics of the bottle top dispenser are described in detail below. 1...

Monday 30 September 2019

Cantidad : 25kg - Precio : FOB Qingdao 2.4-2.9$

What is polyanionic cellulose? Description of Oil Drilling Grade CMC & PAC CMC & PAC( polyanionic cellulose pac) can be used as fluid loss reducer or viscosifier in drilling fluids. The function of CMC is to reduce the fluid loss as much as possible through forming low permeability...

Monday 30 September 2019

The purifying agent holds an important position in the QuEChERS pre-treatment method. An appropriate selection and application of it would be necessary for the users to improve the efficiency of purification and accuracy of the sampling detection result. Selection of purifying agents...

Sunday 29 September 2019

The cellulose extraction thimble is made of cotton fiber with high cellulose content, good mechanical strength and excellent retention. Particularly suitable for the reaction mixture, food, natural materials, paint, paint extraction of organic matter; paint pigment binder; gas powder and tar...

Friday 27 September 2019

Cantidad : 25kg - Precio : 2.4usd

Description of Oil Drilling Grade CMC & PAC CMC & PAC can be used as fluid loss reducer or viscosifier in drilling fluids. The function of CMC is to reduce the fluid loss as much as possible through forming low permeability, flexible, thin and compact filtration cake on borehole wall...

Thursday 26 September 2019

Along with the rapid improvement of domestic technology, the QuEChERS analytical method is no longer just applied in the pesticide residue detection on food and fruits, but also used for the extraction and purification of cereal samples with low moisture content. Moreover, it is also...

Wednesday 25 September 2019

Knowledge of QuEChERS Quick, Easy, Cheap, Effective, Rugged, Safe are generally abbreviated to QuEChERS. It is a sample pretreatment method for agricultural product detection. It is used to absorb and remove impurity, and the operational principle is similar to high-performance liquid...

Wednesday 25 September 2019

Cantidad : 1-200ton - Precio : 10usd

We have high voltage insulators for sale! Multifunctional Insulator Cleaning Agent (RS-10) is mainly used for eradicating dirt, dust and contaminations on surface of the power equipment, especially clean that which surface was heavily polluted. After cleaning, RS-10 can significantly...

Tuesday 24 September 2019

There are many factors to select a product, but on the way back, the only two words lingering in my mind are “parameters” and “Quality assurance”. All that's left is the word “Quality assurance”, which is getting bigger and bigger and more distinct and lingering – or, to put it more simply...

Tuesday 24 September 2019

Cantidad : 1 - Precio : 7800-200000usd

Potato Starch Process Description and Flowchart: Goodway has been continuously developing potato starch making machine since 1991 to maximize product quality. From potato root hopper until the packaging stage, we can supply machines together with production process know-how. The...

Tuesday 24 September 2019

Cantidad : 1 - Precio : 7800-200000usd

Cassava (tapioca) Starch Process Description and Flowchart: Goodway has been continuously developing cassava tapioca starch processing machine since 1991 to maximize product quality. From cassava root hopper until the packaging stage, we can supply machines (tapioca processing machine)...

Tuesday 24 September 2019

Cantidad : 1 - Precio : 7800-200000usd

Features of Cassava Curved Mesh Crusher Processing Capacity: 2-8Tons/hour Application Scope: Crushing the cassava into the slurry and remove the residues Product Introduction: Curved mesh crusher, rasper crusher, cassava crusher machine, cassava crushing machine for cassava starch...

Friday 20 September 2019

Cantidad : 500 - Precio : 7000-10000

Castor oil extraction machine is composed of electrical control, automatic heating, adjustment, transmission, and vacuum oil filter. The screw is carburized by alloy steel to enhance surface hardness and wear resistance. The screw platter is ground by the surface grinding machine...

Friday 20 September 2019

Cantidad : 500 - Precio : 7000-10000

As a professional of screw oil press machine China, Guangxin has designed for various needs of oil press machines from the customers worldwide. The brand "Guangxin" oil press has always been highly admired since its foundation. The main product, screw oil press, used to press oil...

Friday 20 September 2019

Precio : 1-100usd

Application domain: for arthroscopy endoscope Material: Super-high rust-resistant high-hardness stainless steel, ceramics, general stainless steel LZQ is an OEM factory for all kinds of shaver blades, such as Endoscopic/Arthroscopic Shaver blade P259, Bone Drill Point P227, Bone Fetcher P165...

Friday 20 September 2019

Silica matrix HPLC columns are generally compatible, but organic polymer matrix columns may expand or contract in some solvent combinations, which will affect their chromatographic behavior. Wash each solvent system at least 20 volumes. Because some solvent systems are highly viscous...

Monday 16 September 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...

Thursday 12 September 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...

Tuesday 10 September 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...

Thursday 22 August 2019

QuEChERS is an extraction method for pesticides in fruits and vegetables. It is also a cleanup method we use to remove sugars, lipids, organic acids, proteins, pigments, and excess water. After the publication of the original QuEChERS method in 2003, QuEChERS has been practiced all...

Saturday 17 August 2019

Cantidad : 500kg

Multifunctional Insulator Cleaning Agent (RS-10) is mainly used for eradicating dirt, dust and contaminations on surface of the power equipment, especially clean that which surface was heavily polluted. After cleaning, RS-10 can significantly enhance the adhesion between the RTV coatings...

Friday 16 August 2019

- Category - In terms of the filler type, SPE column can be divided into four applications of silicone bonding matrix, polymer matrix, absorption matrix and specialized columns. Besides, the silicone bonding has four sorts—antiphase(C18 sealing end/uncapped/hydrophile, C8), positive...

Thursday 15 August 2019

Review the article that I had written for product introductions, it seems that the content which making fun of products basically does not have, a person with the label of “warm person heart” is wearing very tired. The things about making fun are so cool to be said completely by naked...

Wednesday 14 August 2019

After years of development, the QuEChERS pretreatme nt method has been continuously improved and broadened by researchers as a simple and rapid residual pretreatment technology. The application target also has been extended from the highest moisture content of vegetables and fruits...

Saturday 10 August 2019

Cantidad : Proofing b - Precio : 200-1500CNY

Half hole pcb: The walls of the PTH holes on the PCB are plated with Half-hole formed by smooth and complete metal forming.The Half hole process on the edge of the board is already a mature process in PCBSKY PCB manufacturing processing. How to control the quality of the product after...

Friday 09 August 2019

Cantidad : 25kg - Precio : FOB Qingdao 2.4-2.9$

Description of cmc oil drilling grade cmc oil cmc drilling cmc hv & PAC CMC & polyanionic cellulose pac polyanionic cellulose can be used as fluid loss reducer or viscosifier in drilling fluids. The function of CMC is to reduce the fluid loss as much as possible through forming...

Thursday 08 August 2019

More than 90% of gas chromatographic problems occur in the inlet, and it is necessary to see which problems may occur in the inlet. Problem No.1: Leak If there is a leak, the pressure on the inlet may not be maintained, and the instrument will alarm. If the problem cannot be solved in time...

Wednesday 07 August 2019

Cantidad : 1 - Precio : 10 000,00 €

Planta trituradora de roca semi-portátil / planta trituradora móvil en venta Por ejemplo, si está buscando una trituradora de cono con ruedas, una trituradora de impacto, una trituradora de mandíbula u otra trituradora de rocas portátil, Hongxing Machinery ofrece varios planes que...