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Monday, December 16, 2019

How to choose the right bottle-top dispenser Three important factors need to be considered for you to choose the right bottle-top dispenser: volume, liquid type( strong acids, organic solvents, sterile media, trace metal free liquids and saline solutions, etc.), and the operation...

Monday, December 16, 2019

1. Adjusting range When adjusting the measuring range, if you want to adjust from large volume to small volume, you can rotate the knob anticlockwise according to the normal adjustment method; but if you want to adjust from small volume to large volume, you can first rotate the scale...

Friday, December 13, 2019

The electronic bottle-top dispenser is one of the most commonly used equipment in the laboratory. It is the most ideal tool to use titration and accurately transmit the volume of titrating solution. In general, we can use the electronic bottle-top dispenser to make potentiometric titration...

Friday, December 13, 2019

FLASH column is a sample pretreatment technology developed by the combination of liquid-solid extraction and column liquid chromatography. It is mainly used for sample separation, purification and concentration which has been widely used in medicine, food, environment, commodity inspection...

Friday, December 13, 2019

Known as surface filtration, membrane filtration is a process that the solid particles can be separated through a very thin filter medium. The particles are usually larger than the pore size of the membrane. During separation, a semi-permeable membrane acts as a selective barrier...

Friday, December 13, 2019

High-perfor mance liquid chromatography (HPLC) was developed on the basis of classical liquid chromatography and introduced gas chromatography theory in the late 1960s. It differs from classical liquid chromatography in that the filler particles are small and uniform, and the small...

Friday, December 13, 2019

What is vacuum filtration? Vacuum filtration forms negative pressure in the filtrate outlet as the power of filtration. This kind of filtration machine is split into batch operation and continuous operation. Vacuum filtration equipment with batch operation can filter suspension liquid...

Friday, December 13, 2019

The bottle-top dispenser may sometimes be used with hazardous materials, operations, and equipment. It is beyond the scope of the following contents to address all of the potential safety risks associated with its use in such applications. To consult and establish appropriate safety...

Thursday, December 12, 2019

QuEChERS is a streamlined technique that makes it easier and cheaper for analytical chemists to examine the pesticide residues in agricultural products. It is exploited by many professors of the American Ministry of Agriculture in 2003, especially Anastassiades. This technique shares...

Thursday, December 12, 2019

The electronic bottle-top dispenser is one of the most commonly used equipment in the laboratory. It is the most ideal tool to use titration and accurately transmit the volume of titrating solution. In general, we can use the electronic bottle-top dispenser to make potentiometric titration...

Thursday, December 12, 2019

Vacuum filtration manufactured in Hawach Scientific has better experience in laboratory tests due to the elimination of chemical and mechanical pretreatment, and the ratios of filtration areas are extraordinarily improved. It can ensure an accurate and professional test work under...

Thursday, December 12, 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...

Wednesday, December 11, 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...

Wednesday, December 11, 2019

Bottle-top dispenser marketed by Hawach Scientific is characterized in good chemical tolerance, high-temperature disinfection and sterilization, and high-pressure resistance. The bottle is made of PTFE FEP BSG PP, which gives it maximum viscosity resistance. It is convenient to operate...

Wednesday, December 11, 2019

Flow Process of HPLC column First, the solvent in the storage bottle is pumped into the chromatographic system by pump and then output, and then introduced into the sampler after flow and pressure measurement. Second, object to be tested is injected by the sampler, passes through...

Monday, December 09, 2019

During extraction, the sample to be tested is placed in the cellulose extraction thimble and put into the extraction tube. Petroleum ether was added into the extraction bottle, heated the extraction bottle, and petroleum ether was gasified. It rose into the condenser from the connecting tube...

Monday, December 09, 2019

Hawach Scientific constantly commits to maintain the good performance of bottle-top dispenser, suggestions on management and maintenance are followed. The deviation occurred in the operation process can be overcome by regular calibration. Free on-line calibration is provided, and...

Monday, December 09, 2019

SPE cartridge A solid-phase extraction device is a physical extraction process involving a liquid phase and a solid phase. In the solid-phase extraction process, the adsorption of the solid relative analyte is greater than that of the sample mother liquor. When the sample passes through...

Monday, December 09, 2019

The working principle of the pipette is that the piston moves through the telescopic movement of the spring to achieve aspiration and discharge. Under the push of the piston, part of the air is exhausted, and the liquid is sucked in at atmospheric pressure, and then the air is pushed...

Tuesday, November 26, 2019

Quantity : 1pc - Price : US $1 - 3,000 / Set

6 water valve is commonly used with flanged gate valves and various upper valves for water, including dirt separator. Features of ZECO collector: 1. The release rate of primary gas of water through the exhaust valve assembly is 80%; 2. When the system runs for 4-6 hours, the gas...

Tuesday, November 26, 2019

Plastic Water Bottle Caps Push Pull Lid Caps Features: Push pull bottle caps made of plastic, as seen on many water bottles, and here seen in closed configuration. The unique three-dimensional modeling is very unique and adopts safe and non-toxic pp material, which has little damage...

Tuesday, November 26, 2019

Plastic Spray Bottles Description: The bottle is made of food grade PET. PET plastic has a highly symmetrical molecular structure and a certain crystallization orientation ability, so it has a high film-forming and formation.PET plastics have good optical properties and weather resistance...

Tuesday, November 26, 2019

Alpha Packaging caters to the pharmaceutical industry with FDA-approved resins and colorants for stock and customized pharmaceutical packaging. We are continuously investing in new molds for each solid dose and OTC liquid pharmaceutical formulations. And we will be replicating the...

Tuesday, November 26, 2019

Plastic Foam Pump Bottles Description: The bottle is made of food-grade Pet highly crystallized polymer.Pump sprayer cap is made of pp material. It is odorless, tasteless, non-toxic, white and translucent plastics. Its chemical properties are also very stable highly crystalline polymer...

Tuesday, November 26, 2019

Nose Spray Bottles Description: Specially designed for patients with rhinitis nasal spray bottle, elongated caps drugs can be directly sent to the depths of the nose, to achieve better efficacy, classic cylindrical bottle modeling, plus the transparent bottle cover effectively cut...

Tuesday, November 26, 2019

Frosted Plastic Bottles Description: The bottle adopts classic cylinder shape, and adopts the frosted design. It has better feel and vision and is not easy to leave stains.Using food grade PET, have excellent physical and mechanical properties, long-term use of temperature can reach 120 ℃...

Tuesday, November 26, 2019

What is LPG transport truck LPG transport truck also known as LPG transport vehicles, LPG tank truck, LPG transporting tanker. It is used to transport propane, propylene, dimethyl ether, liquid ammonia, methyl amine, acetaldehyde and other liquefied gases of the special automobile...

Tuesday, November 26, 2019

Quantity : 30000 Unit - Price : 5000-50000USD

LPG tank semi trailer, also known as liquefied petroleum gas semi trailer, LPG transportation semi-trailer, etc. It is used to transport the propane isobutene and other liquid propylene ammonia liquefied gas such as methylamine acetaldehyde dedicated transport semi-trailer. We have...

Saturday, November 16, 2019

Quantity : 8000kgs - Price : 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...

Thursday, November 14, 2019

Edon gas-liquid mixing pump(we can also call it nano micro bubble generator or air bubble generator) is a horizontally mounted self-priming gas-liquid mixing pump. It uses a standard click coupling connection. The pump's wetted components are all made of stainless steel. The suction...