WASHED - 427 Annonces

Mardi 24 mars 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...

Vendredi 20 mars 2020

Quantité : 30,000 sti - Prix : 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...

Mardi 17 mars 2020

Quantité : 200,000 pc - Prix : 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...

Mardi 17 mars 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...

Lundi 03 février 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...

Lundi 03 février 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...

Lundi 03 février 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...

Mardi 26 novembre 2019

Quantité : 1pc - Prix : 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...

Jeudi 07 novembre 2019

Quantité : 100 - Prix : 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...

Mardi 29 octobre 2019

Prix : 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...

Lundi 30 septembre 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...

Dimanche 29 septembre 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...

Vendredi 27 septembre 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...

Mardi 24 septembre 2019

Quantité : 1 - Prix : 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...

Mardi 24 septembre 2019

Quantité : 1 - Prix : 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)...

Mardi 24 septembre 2019

Quantité : 1 - Prix : 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...

Mardi 24 septembre 2019

Quantité : 1 - Prix : 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...

Lundi 23 septembre 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...

Jeudi 19 septembre 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...

Jeudi 12 septembre 2019

Quantité : 300pcs/MOQ - Prix : 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...

Jeudi 12 septembre 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...

Mercredi 11 septembre 2019

Quantité : 300pcs/MOQ - Prix : 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...

Mercredi 11 septembre 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...

Samedi 07 septembre 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...

Mardi 03 septembre 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...

Jeudi 29 août 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...

Samedi 10 août 2019

Quantité : Proofing b - Prix : 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...

Jeudi 08 août 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...

Vendredi 02 août 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...

Jeudi 01 août 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...