WASHED - 427 Anuncios

Martes 24 marzo 2020

Remove the column outlet end If the pressure does not drop, the HPLC column is blocked. Treatment: if the buffer salt is blocked, flush 95% water to normal pressure. If some strongly retained substances cause blockage, the mobile phase stronger than the current one should be used...

Viernes 20 marzo 2020

Cantidad : 30,000 sti - Precio : 1USD—100USD

Dental Saw Blade: A metallic running instrument having an side of sharp, tooth like projections, for dividing bone, cartilage, or plaster; edges may additionally be attached to a inflexible band, a flexible wire or chain, or a motorized oscillator. Orthopedics A hand-held electric...

Martes 17 marzo 2020

Cantidad : 200,000 pc - Precio : usd160-500

The membrane area of CMP pilot machine has the following types: 0.1 m², 0.2 m², 0.5 m², 1 m², 2 m², 3 m², 4.5 m², 5 m², 6 m², 6.5 m², 8 m², 9 m² FEATURES OF CMP PILOT MACHINE Due to higher membrane velocity, reduce the accumulation of pollutants in the membrane surface, increase membrane flux...

Martes 17 marzo 2020

Cleaning and storage of HPLC column Have a good understanding of the sample made, and wash it with the mobile phase that has the strongest eluting capacity for the sample. For silica gel HPLC column, first wash away the polar impurities with methanol, then use dry dichloromethane...

Lunes 03 febrero 2020

Dear Sir, Good day! I am Ms. Linda from Vilaconic Group in Vietnam-one of the main suppliers of RICE & SPICES. We are the official member of VPA, VFA, VCCI, Trust Brand and hope to establish doing long term business with your esteemed company. Our Main exporting products is based on...

Lunes 03 febrero 2020

Dear Sir, Good day! I am Ms. Linda from Vilaconic Group in Vietnam-one of the main suppliers of RICE & SPICES. We are the official member of VPA, VFA, VCCI, Trust Brand and hope to establish doing long term business with your esteemed company. Our Main exporting products is based on...

Lunes 03 febrero 2020

Dear Sir, Good day! I am Ms. Linda from Vilaconic Group in Vietnam-one of the main suppliers of RICE & SPICES. We are the official member of VPA, VFA, VCCI, Trust Brand and hope to establish doing long term business with your esteemed company. Our Main exporting products is based on...

Martes 26 noviembre 2019

Cantidad : 1pc - Precio : US $1 - 3,000 / Set

Strainers, dirt separators and backflow preventers are designed to prevent impurities from entering the specified pipe section. Comparing these three types of products, we can analyze from the following points: first, flow resistance. Many manufacturers tend to ignore this point and...

Jueves 07 noviembre 2019

Cantidad : 100 - Precio : 0.2-5.9USD

BEST MOISTURIZING SPA GEL SOCKS: The foot spa gel socks provide intensive hydration treatment to moisturizes and softens hard, dry, rough, cracked feet, toes and heels skins. The outer layer of the moisturizing gel sock is made of ultra-fine fluff to make the skin feel soft. The...

Martes 29 octubre 2019

Precio : 30-210 USD

Hard Gold PCB, immersion gold pcb, is to immerse the board in the plating tank and apply current to form a nickel-gold coating on the copper foil surface of the board. The electro-nickel gold is characterized by high hardness, wear resistance and oxidation resistance. Widely used in applications...

Lunes 30 septiembre 2019

BEST MOISTURIZING SPA GEL SOCKS: The soft socks provide intensive hydration treatment to moisturizes and softens hard, dry, rough, cracked feet, toes and heels skins. The outer layer of the moisturizing gel sock is made of ultra-fine fluff to make the skin feel soft. The inner layer...

Domingo 29 septiembre 2019

The paper of the filter paper is loose and has strong absorption of liquid. Analytical laboratories often use filter paper as a filter medium that separates the solution from the solid. More importantly, during the manufacturing process of quantitative analysis filter paper, the pulp...

Viernes 27 septiembre 2019

Preparations of Syringe Filter (1)After the filter core and shell are thoroughly cleaned and sterilized, the filter is installed. (2) After the installation of the Syringe Filter, the whole filtration system must be thoroughly flushed with clean water. (3) After the whole filtration...

Martes 24 septiembre 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...

Martes 24 septiembre 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)...

Martes 24 septiembre 2019

Cantidad : 1 - Precio : 7800-200000usd

Cassava Flour Production Process Description and Flowchart: Cassava flour is also called cassava whole flour, which is the fine powder, a little yellowish and grayish. Cassava flour is different from cassava starch. Cassava flour is made of whole cassava root, which keeps the natural...

Martes 24 septiembre 2019

Cantidad : 1 - Precio : 7800-200000usd

Cassava Chips Processing Description and Flowchart: Cassava chips are one kind of chips or slices made from fresh cassava roots, as snacks or animal feed popular in many countries of West Africa and the Caribbean. Goodway has 27 years of combined experience in the tapioca chips making...

Lunes 23 septiembre 2019

1. If the liquid accidentally enters the piston chamber, the pollutants should be removed in time. 2. After the use of the pipette, adjust the range of the pipette to the maximum, and place the pipette vertically on the pipette rack. 3. According to the frequency of use, all pipettes...

Jueves 19 septiembre 2019

The filter paper used in the analytical laboratory performs a strong absorption effect for liquids, which can separate the solution from the solid. The filter paper produced domestically could be divided into three types, including qualitative filter paper, and quantitative filter paper...

Jueves 12 septiembre 2019

Cantidad : 300pcs/MOQ - Precio : 1.5-10usd

As your baby begins rolling over and starts their trip on learning how to crawl, ,you favor a covered and easy location for them. Learning how to crawl on hardwood floors or regular rugs is not ideal; your infant would perchance get a rash or harm themselves. As they are no longer...

Jueves 12 septiembre 2019

Hawach Scientific is the production of filter paper professional manufacturers with advanced production technology and perfect testing equipment. Quantitative filter paper is suitable for a wide range of critical gravimetric analytical filtration procedures. In the manufacturing process...

Miércoles 11 septiembre 2019

Cantidad : 300pcs/MOQ - Precio : 1.5-10usd

Anti-slip waterproof mat is made of PVC foaming material after processing. PVC foamed cotton is also called PVC closed-cell foaming material, also known as polyvinyl chloride foamed cotton. It is an independent closed-cell foaming material made of polyvinyl chloride plastics as the...

Miércoles 11 septiembre 2019

When storing the column, the column should be filled with acetonitrile or methanol, and the column joint should be tightened to prevent the solvent from evaporating and drying. It is absolutely forbidden to leave the buffer solution in the HPLC columns for an overnight or longer period of time...

Sábado 07 septiembre 2019

There are bubbles in the mobile phase, the pump is turned off, the pressure relief valve is opened, the purge button is turned on, the degas is cleaned, the bubbles are continuously ejected from the HPLC column, and the mobile phase enters the mobile phase. No matter how many times...

Martes 03 septiembre 2019

The basic principle of SPE cartridges is that the liquid sample is made to pass through the adsorbent to retain the tested substance, and then the impurities are washed away with appropriate strength solvent, and then the tested substance is eluted with a small amount of good solvent...

Jueves 29 agosto 2019

Anti-slip waterproof mat is made of PVC foaming material after processing. PVC foamed cotton is also called PVC closed-cell foaming material, also known as polyvinyl chloride foamed cotton. It is an independent closed-cell foaming material made of polyvinyl chloride plastics as the...

Sábado 10 agosto 2019

Cantidad : Proofing b - Precio : 200-1500CNY

Hard Gold PCB, immersion gold pcb, is to immerse the board in the plating tank and apply current to form a nickel-gold coating on the copper foil surface of the board. The electro-nickel gold is characterized by high hardness, wear resistance and oxidation resistance. Widely used in applications...

Jueves 08 agosto 2019

Chromatography is a separation and analysis method and the separation is the core. Therefore, HPLC columns are the heart of the chromatographic system. The requirements for the column are high efficiency, good selectivity and fast analysis speed. Generally, the column length of about...

Viernes 02 agosto 2019

Usually, the sample contains something that is not of interest to the analyst. Salt, lipids, lipid-containing substances, humic acid, hydrophobic proteins, and other biological substances are some substances that may interact with the HPLC column in use. These substances have less...

Jueves 01 agosto 2019

It is important for the experimenters to use and maintain chromatographic columns correctly. They should focus on many some things so as to protect the columns in the using process. Here we talk about several attentions. Avoid changing pressure and temperature dramatically and any...