RESIDUAL - 618 Annonces

Wednesday 11 December 2019

The specific steps are as follows: 1. Clean the glass cylinder. 2. Empty and unscrew the separator from the bottle, and lift the separator upward until the drain pipe leaves the liquid level but is still in the bottle-top dispenser. 3. Touch the inner wall of the bottle carefully...

Tuesday 10 December 2019

The protective HPLC columns influence the separation result. First of all, the protective column has a good positive effect on the experiments. Even if the stationary phase is chosen incorrectly, the protective column can also be effective for separation. The protective column is...

Wednesday 06 November 2019

Quantité : 500square - Prix : 25usd

Aluminum composite panel or aluminum-plastic panel is a kind of composite new material which has been through surface treatment and a series of technological processing. It's composed of aluminum panels with coating as the surface and PVC plastic panel as the core layer. As the composite...

Tuesday 05 November 2019

Quantité : 20 - Prix : 20,000 USD - 800,000

Are you looking for a professional steel slitting machine manufacturer? Based on much experiences on providing quality, cost-effective and long lasting roll forming systems Classification and Characteristics of Stainless Steel Slitting Machine 1. Small stainless steel slitting machine...

Friday 01 November 2019

Quantité : 200 units - Prix : 7000-28000 USD

H beams shot blasting machine is the most efficient and the most effective process to remove all forms of rust and corrosion materials from h beams prior to painting or coating. It is more efficient than steel beam shot blasting machine, steel bar shot blasting machine and scaffolding...

Tuesday 29 October 2019

Quantité : 200 units - Prix : 7000-28000 USD

H beams shot blasting is the most efficient and the most effective process to remove all forms of rust and corrosion materials from h beams prior to painting or coating. In the blasting process, use the roller conveyor system which is controlled by frequency converter to transmit...

Sunday 13 October 2019

Quantité : 1 - Prix : USD44,000 to USD17,0

Concrete mixer pump truck is a special truck used to transport concrete used in construction, Because of its appearance, it is often called the field screw truck, olive truck. These trucks are equipped with cylindrical agitators to carry the mixed concrete. During the transportation...

Sunday 13 October 2019

Quantité : 30000 Unit - Prix : 5000-50000USD

Milk tank truck, also known as transportation truck, is used for transport the fresh milk and other liquid medium etc. Besides, the milk tanker truck is equipped food type 304-2B stainless material. The vent valve is set at the top of the pot to enable automatic adjustment to reduce...

Tuesday 08 October 2019

Qualitative analysis filter paper generally has more residual ash content, which is only used for general qualitative analysis and filtration solution of precipitation or suspended matter, not for quality analysis. In terms of type and specification, qualitative analysis filter paper...

Sunday 29 September 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...

Friday 27 September 2019

Quantité : 1 - Prix : 2000USD

The common mill can be divided into the ball mill, column mill, bar mill, tube mill, self-grinding machine, rotary mortar roller mill, vertical mill, multi-layer vertical mill, vertical roller mill, disc mill, DMC mill and so on. For the mill has a small footprint, the finished particle...

Friday 27 September 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...

Friday 27 September 2019

Non-Polar Interaction, the interaction between a non-polar functional group on a target compound and a non-polar sorbent, which is better reflected in a polar solvent environment, especially in a water environment. Also known as hydrophobic interactions, such as the interaction between...

Thursday 26 September 2019

Quantité : 5 pcs - Prix : 200,00 €

As we all know moisture in the house can create humidity,and this muggy air can make you uncomfortable especially on those warm summer days, the moisture in the air makes it feel much hotter than what the thermometer says.Aside from the lack of comfort, a rise in excess air moisture...

Wednesday 25 September 2019

Pullulanase is produced from Bacillus licheniformis by deep fermentation. It can be widely used in, starch sugar, monosodium glutamate, , and other industries. Pullulanase enzyme is a thermally stable debranching enzyme (cotyl-1, 6-glucosidase) applied at pH. It can hydrolyze the pentyl-1...

Wednesday 25 September 2019

Please read following instructions carefully before the operation in case of any danger or degraded performance of bottle-top dispenser. Operation procedures 1. Insert both inlet and outlet and then tighten screws; 2. Remove cap and place it under outlet pipe; 3. Turn knob to intended...

Friday 20 September 2019

The water filter cartridge is generally divided into MF (microfiltration), UF (ultrafiltration), NF (nanofiltration) and RO (reverse osmosis) and SF (sodium-ion exchanger filtration) for different purposes. Materials 1.MF: PPF (5-25 micron); active carbon granule and bar (5 micron)...

Thursday 19 September 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...

Wednesday 18 September 2019

In the analysis of HPLC, the packing size of chromatographic column is small, and it is easy to be blocked by impurity particles. Therefore, samples and solvents need to be pre-filtered to remove particulate pollutants and protect chromatographic columns and instruments. Ion chromatography...

Tuesday 17 September 2019

- Forward liquid transfer type - Press the button with your thumb to the first stop point, then slowly release the button back to the origin. Then press the button to the first stop point to drain the liquid. After a short pause, continue to press the button until the second stop...

Tuesday 17 September 2019

Hawach Scientific product quality in strict accordance with ISO9001: 2000 quality system certification procedures, and from now on we have exported to more than 120 countries. Overview of qualitative filter paper, analysis laboratory commonly used filter paper as a filter medium,...

Thursday 12 September 2019

Concrete mixer lorry pump truck is a special truck used to transport concrete used in construction, Because of its appearance, it is often called the field screw truck, olive truck. These trucks are equipped with cylindrical agitators to carry the mixed concrete. During the transportation...

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

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...

Tuesday 03 September 2019

Chemical properties of the chromatographic column could affect the performance of the C18 HPLC column. Performance factors of C18 HPLC columns: bonding type Single tooth bonding can improve the mass transfer rate and accelerate column balance. Double tooth bonding can increase the...

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...

Wednesday 14 August 2019

Physical properties of the chromatographic column could affect the performance of C18 HPLC columns. - Performance factors of C18 HPLC columns: - Silica gel purity Class A silica gel has high residual silica hydroxyl with a negative charge and high metal content on the acidic surface...

Tuesday 13 August 2019

Pipettes are widely used in the laboratory. Proper operation and use of pipettes can improve work efficiency. What are the six common operational misunderstandings of pipettes? Pipettes are widely used in laboratories. The correct operation and the use of pipettes can improve work efficiency...

Thursday 08 August 2019

Flash columns adopt high-capacity silica gel for precise filling, which has very excellent separation and purification performance. The specific surface area of high-capacity spherical silica gel is 40% higher than that of ordinary spherical silica gel, and the sample loading is twice...

Friday 19 July 2019

Standard IEC/EN61009-1 GB/T16917.1 Instantaneous trip type B/C/D The number of poles 1P+N Rated short circuit breaking capacity Icn 6kA Leakage protection trip type Electronic /Electromagnetic Rated working current In 6-40A Rated working voltage Ue AC 230/400V Rated operating frequency...