WASHED - 436 Anuncios

Wednesday 11 September 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...

Wednesday 11 September 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...

Saturday 07 September 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...

Tuesday 03 September 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...

Thursday 29 August 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...

Saturday 10 August 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...

Thursday 08 August 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...

Friday 02 August 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...

Thursday 01 August 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...

Thursday 11 July 2019

First, the purpose of the request The colorectal flora in water was determined by the membrane method. Second, the basic principles The filter membrane method uses a filter to filter the water sample, and the bacteria are trapped on the filter membrane, and then the filter membrane...

Wednesday 10 July 2019

The biggest feature of filter paper is paper with good filtration performance. At present, the filter papers produced in China mainly include quantitative analysis filter paper, qualitative analysis filter paper and chromatographic qualitative analysis filter paper. Quantitative filter...

Tuesday 09 July 2019

First, the purpose of the request The colorectal flora in water was determined by the membrane method. Second, the basic principles The filter membrane method uses a filter to filter the water sample, and the bacteria are trapped on the filter membrane, and then the filter membrane...

Sunday 07 July 2019

BEST MOISTURIZING SPA GEL SOCKS: The foot spa 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...

Thursday 20 June 2019

Filter paper has excellent filtration property and strong absorption performance on liquid. Scientific workers use filter paper as a kind of media in analytical laboratories to separate solution from solid. Currently, there are mainly three kinds of filter papers which can be purchased...

Tuesday 18 June 2019

Application: The tested object is attached to a test platform adapter. The inside of the part was cooled and heated by an aqueous solution of ethylene glycol. The test component needs to undergo a specific temperature profile and record changes in temperature. Temperature variations...

Thursday 06 June 2019

The empty column is assembled from column joints, column tubes, and filters. The HPLC columns joints are constructed with a low dead volume. The column joints are threaded assemblies at both ends, with 7/16-inch external threads on one end and 3/16-inch internal threads on the other...

Saturday 18 May 2019

0.22um Syringe Filters Features of Filtstar Series Activated Carbon Syringe Filters H ydrophobic Syringe Filter Inner diameter: 50 mm out diameter: 60 mm and pore size of 5 μm Luer Lock Inlet Tip Makes Secures Connections & avoid Blowoff Advantages of Filtstar Series Activated...

Friday 29 March 2019

Graphite is an isoform of element carbon. In 1971, the United States studied the successful flexible graphite sealing material, which solved the leakage of atomic energy valve. After deep processing, the flexible graphite becomes an excellent sealing material, which are made into...

Saturday 02 February 2019

Veterinary Ultrasound Machine 1. Veterinary Ultrasound Machine is used in livestock farms and animal clinics. The 3.5MHz mechanical fan sweep probe is suitable for pigs, sheep and pets. 2. Vet Ultrasound,Image can be exported,store 128 pictures, available data lines,Into the computer...

Friday 21 December 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...

Tuesday 30 October 2018

Cantidad : 1.000 tonn

Bonjour, nous sommes exportateur de bananes plantain d'origine Côte d'Ivoire. Notre produit est lavé dans un bassin, et emballé dans des cartons de 22 kg. Nous effectuons le transport dans des conteneurs frigorifiques. Nous avons une capacité de 4 container de 40 pieds par semaine...

Saturday 27 October 2018

1. Aluminum scrap 2. Purity: 95% -99% Used beverage cans from waste separation processes. Aluminum UBC Cans in Bales with purity of 99% clear, hot water washed and ve 1. Smooth Surfaces 2. Tight Tolerances 3. Long Life 4. Customer's Design & Standard Aluminum scrap Aluminum...

Wednesday 27 June 2018

Ultra-high-speed Hot & Cold Color Trace Position Label Cutting Machine Cut material: Logo, trademark, size label,swing tag, washing label, washed cloth, care label, wash care label, battery casing, etc. Performance characteristics 1, suitable for cutting all kinds of printed label...

Tuesday 12 June 2018

Product Code: DPC0022 Availability: In Stock Custom Red And Black Mens Deadpool Superhero Costume Deadpool is a fictional character,This Deadpool Costume is made of spandex which can stretch and breath well. It can be washed by hand, and one-way long zipper is added on the back. The...

Monday 07 May 2018

we are able too supply you chicken feet and paw from iran with good quality and good price. pls reach us at whats app/wechat app 00989197149986 for more details. Feet : Specifications: 1)Size 35 - 50 g 2)Feather off 3)White skin 4)Yellow skin off 5)Well cleaned 6)Outer hard nail off...

Saturday 28 April 2018

Cantidad : 1MT - Precio : $450.00

Ofrecemos servicios precisos, calidad especificada, empaque limpio y entrega a tiempo. - Producción de fábrica, embalaje limpio, precaución al cargar las mercancías en el buque de transporte, guardar el transporte de mercancías al sitio de envío. Nuestro pollo entero congelado está...

Saturday 21 April 2018

Cantidad : 1/Piece - Precio : 3.8/USD

Ubicación : Sci-Tech Park for Private Enterprises, T aihe., 510440 Guangzhou, Persona a contactar : Cindy Fully, 862088888025

Wednesday 04 April 2018

Cantidad : according - Precio : Price negotiation

Especificaciones: Espesor 2mm a 6 mm Clasifique 2440X3660mm, 2134 × 3600mm, 3300 × 2440m, 3300 × 2134m, 3210 × 2440m, 2440 × 1830m, 2250 × 1850m, 2200 × 1600m, 2000 × 1580mm, y así sucesivamente, o según su diseño. Las condiciones de pago t/t el 30% según lo depositado y el equilibrio...

Wednesday 04 April 2018

Cantidad : according - Precio : Price negotiation

Especificaciones: espesor 1,8 mm a 8 mm Tamaño 2440X3660mm, 2134 × 3600mm, 3300 × 2440m, 3300 × 2134m, 3210 × 2440m, 2440 × 1830m, 2250 × 1850m, 2200 × 1600m, 2000 × 1580mm, y así sucesivamente, o según su diseño. Las condiciones de pago t/t el 30% según lo depositado y el equilibrio...

Wednesday 04 April 2018

Cantidad : according - Precio : Price Alternative

Especificaciones: el grueso 1.8 mm a 6 milímetros, grueso puede ser modifica para requisitos particulares Clasifique 2440X3660mm, 2134 × 3600mm, 3300 × 2440m, 3300 × 2134m, 3210 × 2440m, 2440 × 1830m, 2250 × 1850m, 2200 × 1600m, 2000 × 1580mm, y así sucesivamente, o según su diseño...