CHEMISTRY - 499 Anuncios

Friday 03 January 2020

The vacuum filters are mainly applied for filtration of mobile phase of High-Performance Liquid Chromatography, particulate and microbiological contamination. They are the basic instruments in the chemistry lab. Particularly, the glass solvent filter can make filtration of all kinds...

Thursday 12 December 2019

Hawach bottle-top dispenser is an instrument for measuring liquid medicine. To ensure that your bottleneck dispenser has a long service life, some maintenance, and cleaning work can be done in the following situations: the pipette piston is not flexible; the dispensing of some restrictive...

Saturday 16 November 2019

Cantidad : 8000kgs - Precio : USD0.025 - USD1.05

1) Properties Detonation-synthesized polycrystalline diamond micro powder The structure resembles the rare natural polycrystalline black diamond, metallic-grey, superior toughness, self-sharpening. The lapping and polishing efficiency of the detonation-synthesized polycrystalline...

Saturday 26 October 2019

Cantidad : 8000kgs - Precio : USD0.025 - USD1.05

1) Properties Detonation-synthesized polycrystalline diamond powder The structure resembles the rare natural polycrystalline black diamond, metallic-grey, superior toughness, self-sharpening. The lapping and polishing efficiency of the detonation-synthesized polycrystalline diamond...

Saturday 12 October 2019

Cantidad : 8000kgs - Precio : USD0.025 - USD1.05

1) Properties Detonation-synthesized polycrystalline diamond micro-powder The structure resembles the rare natural polycrystalline black diamond, metallic-grey, superior toughness, self-sharpening. Monocrystalline vs polycrystalline diamond：The lapping and polishing efficiency of...

Wednesday 25 September 2019

The pipette is a kind of accurate instrument for quantitative transferring and weighing liquid in biology and chemistry laboratories. The most relative element to keep the pipette accurate is tightness. There are several main factors affecting the tightness of the pipette. The first...

Thursday 19 September 2019

The determination of 10 plant polyphenols in tobacco samples by solid phase extraction and high-performance liquid chromatography as below: Plant polyphenols are important substances in tobacco. The content of polyphenols in tobacco has an important influence on tobacco quality. Therefore...

Wednesday 18 September 2019

Cantidad : 20GP - Precio : 5USD

Calcined Bauxite manufacturers produce Calcined Bauxite by firing (heating) the superior grade Bauxite at high temperature (from 850℃ to 1600℃). This removes moisture thereby increasing the alumina content. Compared to an alumina content of about 57 % to 58 % in raw Bauxite, Calcined...

Thursday 12 September 2019

Vacuum filtration is a chemistry technique that can allow for a greater rate of filtration in the lab. In normal filtration, the gravity can provide the force drawing the liquid through the filter paper, but a pressure gradient performs this function in vacuum filtration, offering...

Thursday 12 September 2019

As an important branch of chromatography, high-performance liquid chromatography (HPLC) has become an important application of separation and analysis technology in the fields of chemistry, medicine, industry, agriculture, commodity inspection, and law inspection. Features of high-performance...

Wednesday 14 August 2019

Flash column chromatography is an alternative to long column chromatography developed in 1978. This method aims to separate the components from the mixture and thereby purify it. It is built from existing long column chromatography techniques and is time-consuming and often unsatisfactory...

Friday 09 August 2019

Reversed-phase chromatography (RPC) contains any chromatographic method using a non-polar stationary phase. The word “reverse” has a historical background. In the 1970s, most liquid chromatography was performed on unmodified silica or alumina. Their surface chemistry is hydrophilic...

Wednesday 07 August 2019

Pipe ttes are often used to remove a small amount of liquid in the laboratory. Micropipette first appeared in 1956, invented by Schnitger who is a scientist of the Institute of physiology and chemistry, Germany. Pipettes of different specifications are equipped with different sizes...

Tuesday 06 August 2019

Sample Vials are an essential tool in the lab. These general purposes of glass vials are to provide exceptional resistance to heat shock and chemical leaching. Our sample vials are always used in the field of a biological agent, cosmetics, high-value chemistry. And we have high-quality...

Monday 15 July 2019

All the technique cores of HPLC from Hawach Scientific are focused on the characteristics of the chromatogram column. Quality Recognition This is shown as the fact that terminal customers have published more than 500 papers on those journals at home and abroad. For famous oversea journals...

Thursday 04 July 2019

Flash column chromatography method is to separate the constituents from the mixture and thus purify it. In a word, flash column chromatography makes the samples go through the column which is filled with gel to achieve separation. In the beginning, the founder of flash column chromatography, Mr...

Monday 01 July 2019

The aim of flash column chromatography is to separate components from the mixture and purify it. Briefly, flash column chromatography allows samples to be separated through columns filled with gels. Flash column chromatography has been widely used in organic chemistry since its inception...

Wednesday 29 May 2019

The CTE chloropac system is typically used for small to medium production capacities, while PPE system is typically used for larger production capacities of sodium hypochlorite. The Advantages for Applying Concentric Tubular Electrodes (CTE) Electrolyzer as Following: 1. Self-Cleaning...

Thursday 09 May 2019

Cantidad : 1500Square - Precio : US $4.25-6.6/ Square

AVAILABLE COLOR: clear, ultra clear, bronze, grey, etc. Customized BACK PAINT: green, blue, gray; Coating: Double Coating THICKNESS: 2mm, 3mm, 4mm, 5mm, 6mm, 8mm SIZE: 609mmx914mm, 914mmx914mm, 914mmx1220mm, 1220mmx1830mm, 1830mmx2440mm, 1524mmx2134mm, 2140mmx3300mm, 2440mmx3660mm etc...

Wednesday 06 March 2019

Cantidad : 10'000 lit

Podemos esperar una producción anual de 10'000 litros. Se utiliza en la industria de productos farmacéuticos, cosméticos y perfumería. Ubicación : Route de la Plantay, 5, 1163 Etoy, Persona a contactar : Marco Zottich, +41 7 89 53 91 08

Wednesday 06 March 2019

Cantidad : 90 lt year

hinojo de mar - Crithmum maritimum Usos: alimentos, cosméticos, química y productos farmacéuticos. Ubicación : Route de la Plantay, 5, 1163 Etoy, Persona a contactar : Marco Zottich, +41 7 89 53 91 08

Sunday 06 January 2019

Penglai Huande Steel Valve CO., LTD is a Ball Valve Manufactruer specialized in the design, development, and production of stainless steel ball valves. It has many production lines such as Lost-wax investment casting, CNC machine, and assembly inspection etc. And, it had passed the...

Sunday 23 September 2018

Cantidad : 1 SET - Precio : $ 4000

- The brief introductions of QTZ-3D portable electric soil drilling rig QTZ-3D portable electric soil drilling rig is an electric version of the QTZ-3 (gasoline engine) produced by Shandong Master Machinery Group Co., Ltd. The improvement of QTZ-3D electric soil drilling rig is...

Sunday 23 September 2018

Cantidad : 1 SET - Precio : $ 4000

- The brief introduction of QTZ-2 portable drilling rig QTZ-2 portable soil drilling rig is a upgraded product of the QTZ-1 portable soil drilling rig.The rig adopts the more power, and the impact force is stronger and the drilling depth is deeper, which can drill up to 10~15 meters...

Sunday 23 September 2018

Cantidad : 1 SET - Precio : $ 4000

The Brief Introductions of QTZ-1 soil sampling rig QTZ-1 portable soil drilling rig is a portable soil sampling drilling machine developed by Shandong Master Machinery Group Co.,Ltd., which is comparable to a huge hydraulic and pneumatic drilling rig. The drilling rig is a dynamic...

Tuesday 28 August 2018

Cantidad : at least 4 - Precio : USD 10-470

GX-N 100G military defense vibration isolator is total different from the GH series. With oval rubber pad in, the big impact shock of this model can be up to 100G. The nominal load of GX-N is from 10N (1.02kg) to 60N (6.12kg). With the oval type rubber pad in, combined tightly with...

Saturday 21 July 2018

Cantidad : 500000 Pie - Precio : $52.00USD/Pieces

Quick Details Product Description Specifications Place of Origin: Guangdong, China (Mainland) Brand Name: POLINOVEL Model Number: PL-5200-6S-35C 9050135 Type: Li-polymer Nominal Voltage: 22.2V Size: 54*50*145mm Nominal Capacity: 5200mAh Continuous discharge rate: 35C Net weight...

Thursday 19 July 2018

Precio : 1 million to 100 mil

Separation of CO from blast furnace gas is an international problem, which is mainly due to the blast furnace gas also contains a large number of N2 and CO2. Because of the close boiling point of N2 and CO, the traditional cryogenic rectification process cannot be used to separate...

Thursday 19 July 2018

Cantidad : 200000 Uni - Precio : $1.00USD/Units Welc

Quick Details Product Description Specifications Place of Origin: Guangdong, China (Mainland) Brand Name: GEB Model Number: GEB 6S1P GEB8043125-6000MAH Type: Li-polymer Nominal Voltage: 22.2V Size: 48*48*135mm(T*W*L) Nominal Capacity: 6000mAH certification: CE,ROHS cell weight...

Tuesday 03 April 2018

Cantidad : 100 - Precio : 2 000,00 €

Jaw crusher PE/PEX Series Jaw Crushers is of single toggle type with features of simple structure, easy maintenance, stable function, low operation cost, great crushing ratio. It is used widely in mine, metallurgy, construction, road, railway, hydro-electric, and chemistry. It is...