LIQUID - 6010 Anuncios

Lunes 30 marzo 2020

Classification Divide fat belly pipette and commonly used pipette. It consists of a rubber nipple and a glass tube with a pointed mouth. Use Extract or add a small amount of reagent and extract supernatant to separate the precipitate. Matters needing attention During drip-adding,...

Lunes 30 marzo 2020

1. Why does the QuEChERS approach recommend use dry ice or liquid nitrogen homogenizing frozen samples and extracting samples while frozen? The frozen samples were homogenized with dry ice or liquid nitrogen, and the samples were made into a fine powder (smaller particle size, more homogeneous)...

Miércoles 25 marzo 2020

PureFlash series: silica gel construction and phase column. For example, C18(spherical inlet and irregular home-made), C4, C8, NH2, CN, HILIC, and oxide which are all imported fillers, corresponding to the high-end market. DepuFlash series: silicone construction and phase columns...

Miércoles 25 marzo 2020

Character of syringe filter 1. The PTFE membrane of the syringe filter is completely made of natural and permanent hydrophobic PTFE material. Even under a very low pressure difference, it can ensure that moist air or other gases can pass without hindrance, while the aqueous solution...

Viernes 20 marzo 2020

Cantidad : 10MT/month - Precio : 1 USD/Kilogram

Classification: Pharmaceutical Intermediates Cas NO.: 91-21-4 Molecular Formula: C9H11N Melting Point: -30℃ Boiling Point: 232-233℃ Stability: null Refractive index: 1.568 Flash Point: 98℃ Purity: 99 Appearance: clear yellow to brown liquid usage: Pharmaceutical intermediate Brand Name...

Viernes 20 marzo 2020

Cantidad : 20MT/month - Precio : 6.90 USD/Kilogram

Classification: Pharmaceutical Intermediates Cas NO.: 543-49-7 Molecular Formula: C7H16O Melting Point: -30.15°C Boiling Point: 160-162 °C(lit.) Stability: Stable. Flammable. Incompatible with strong oxidizing agents, strong acids. Refractive index: n20/D 1.420(lit.) Flash Point: 140 °F Purity...

Viernes 20 marzo 2020

Cantidad : 20MT/month - Precio : 1 USD/Kilogram

Classification: Pharmaceutical Intermediates Cas NO.: 1640-39-7 Molecular Formula: C11H13N Melting Point: 6-8 °C Boiling Point: 228-229℃ (744 mmHg) Stability: No information found. Refractive index: 1.545 Flash Point: 93℃ Purity: 99 Appearance: clear yellow to red-brown liquid usage...

Viernes 20 marzo 2020

Cantidad : 20MT/month - Precio : 12USD/kg

Classification: Pharmaceutical Intermediates Cas NO.: 999-21-3 Molecular Formula: C10H12O4 Melting Point: 47 °C(lit.) Boiling Point: 263.7 °C at 760 mmHg Stability: null Refractive index: n20/D 1.469(lit.) Flash Point: 124.6 °C Purity: 99 Appearance: Colorless transparent oily liquid usage...

Viernes 20 marzo 2020

Cantidad : 20MT/month - Precio : 1USD/kg

Classification: Pharmaceutical Intermediates Cas NO.: 541-42-4 Molecular Formula: C3H7NO2 Melting Point: Boiling Point: 39 °C at 760 mmHg Stability: null Refractive index: 1.404 Flash Point: -37℃ Purity: 95 Appearance: Gray yellow oily liquid usage: Pharmaceutical intermediate Brand Name...

Viernes 20 marzo 2020

Cantidad : 20MT/month - Precio : 1USD/kg

Classification: Pharmaceutical Intermediates Cas NO.: 110-46-3 Molecular Formula: C5H11NO2 Melting Point: Boiling Point: 96-99℃ Stability: Stability Unstable. Air and light sensitive. Flammable. Forms explosive mixtures with air or oxygen. Incompatible with oxidizing agents, reducing agents...

Viernes 20 marzo 2020

Cantidad : 20MT/month - Precio : 1USD/kg

Classification: Pharmaceutical Intermediates Cas NO.: 40052-13-9 Molecular Formula: C7H12O4 Melting Point: 19-20℃ Boiling Point: 90℃(2 torr) Stability: null Refractive index: n20/D 1.426(lit.) Flash Point: 97.7 °C Purity: 98 Appearance: null usage: Pharmaceutical intermediate Brand Name...

Viernes 20 marzo 2020

Cantidad : 20MT/month - Precio : 1USD/kg

Classification: Pharmaceutical Intermediates Cas NO.: 542-56-3 Molecular Formula: C4H9NO2 Melting Point: Boiling Point: 66-67℃ Stability: Stable. Incompatible with acids, s, strong bases. Decomposes slowly in water. Flammable - incompatible with strong oxidizing agents. Note wide...

Viernes 20 marzo 2020

Cantidad : 20MT/month - Precio : 1 USD/Kilogram

Classification: Pharmaceutical Intermediates Cas NO.: 540-80-7 Molecular Formula: C4H9NO2 Melting Point: Boiling Point: 61-63℃ Stability: null Refractive index: 1.367-1.37 Flash Point: -10℃ Purity: 99 Appearance: clear yellow liquid usage: Pharmaceutical intermediate Brand Name: XiaQing EINECS...

Viernes 20 marzo 2020

Cantidad : 60-100 mil - Precio : USD0.1-0.5

Product Name: 50ml 100ml 150ml 200ml Shampoo Bottles Material: PET Materials Capacity: 50ml 100ml 150ml 200ml Slogan: Dark green bottle and sloping shoulder gives you exquisite texture. Introduction: This shampoo bottle is mainly used for the shampoo, conditioner, body wash and other products...

Viernes 20 marzo 2020

Cantidad : 60-100 mil - Precio : USD0.1-0.5

Product Name: Empty plastic bottles 100ml Material: The bottle body is made of PET materials, the cap is made of PP materials. Capacity: 100ml Slogan: Convenient and beautiful, good experience Introduction: This plastic medicine bottle is used to separate liquid medicine, especially cough syrup...

Viernes 20 marzo 2020

Cantidad : 60-100 mil - Precio : USD0.1-0.5

Product Name: 100ml 150ml 200ml 250mlPlastic Lotion Bottle with Diamond Shape Material: PET plastic bottle、PP plastic bottle Capacity: 100ml 150ml 200ml 250ml Slogan：Heart-to-heart choice Introduction: This product is 100ml 150ml 200ml 250ml plastic lotion bottle with diamond shape...

Viernes 20 marzo 2020

The vacuum filtration collects pollutants (mainly dust) sucked from the atmosphere to prevent system pollution, and is used between the suction cup and the vacuum generator (or vacuum valve). It is mainly suitable for vacuum filtration in the production process of chemical medicine...

Viernes 20 marzo 2020

The HAWACH bottle-top dispenser is made of Optical glass, Al2O3, ETFE, PFA, FEP, PTFE, platinum-iridium alloy, and PP (hard hat) and it can dispense nearly any laboratory chemical. The notable exceptions are: Sodium azide: Found in many biology labs, and used as a preservative for buffers...

Jueves 19 marzo 2020

Cantidad : 200 - Precio : 56000-76000

Product Description ---The Introduction of DOING Scrap tires recycling to oil machine--- Scrap tires recycling to oil machine can turn waste tyre to fuel oil with latest pyrolysis technology. Pyrolysis is the thermal decomposition of materials in the absence of oxygen. In the case...

Jueves 19 marzo 2020

What is the Vacuum Casting? The china vacuum casting technology which uses prototype (SLA laser rapid prototyping piece, CNC products) to make silicone mold under vacuum, and is poured under vacuum conditions, such as PU, ABS, etc. Vacuum casting is also used to clone the prototype...

Jueves 19 marzo 2020

What is Sheet Metal Processing? Sheet metal process services or sheet metal fabrication includes: folding, shearing, punching, welding, riveting, splicing and other processes. In general, the process of forming a sheet by hand or mechanical is called sheet metal processing. Sheet...

Jueves 19 marzo 2020

What is China rapid prototyping? plastic prototype service is a kind of professional manufacturing technology that is used to produce high-quality entity models of three-dimensional designs. Prototypes are useful for design improvements and can be used as stepping stones for comprehensive...

Jueves 19 marzo 2020

Are you looking for rapid prototype service china? 3D printing technology is a collective term for a series of rapid prototyping technologies, the basic principle of which is laminated manufacturing. 3d printing service providers will use a computer-aided design model to produce a...

Jueves 19 marzo 2020

Qualitative filter paper property: also known as qualitative analysis filter paper. It is a kind of filter paper used in chemical laboratories to filter precipitation and suspended matter. Silicon content is higher than the quantitative filter paper, burning after a certain amount of ash...

Miércoles 18 marzo 2020

Widely used to remove particles from a liquid sample and avoid damage to equipment at the same time, syringe filter is affordable tool in the labs, which the scientists can use for small-volume filtration. You can find two different types of filters, one is with which you can recover your sample...

Miércoles 18 marzo 2020

Sample vials are widely used in the lab. It is a special appliance qualified for cleaning according to the international standard: ISO3722 “Identification of Cleaning Methods for Hydraulic Transmission and Sampling Containers”. It's different from other liquid samplers, just a drink...

Martes 17 marzo 2020

Cantidad : 200,000 pc - Precio : usd160-500

JIUWU company produces the ceramic ultrafiltration membranes with the pore size 20nm, 50nm and so on. JIUWU company offers a large choice of ceramic uf membranes with different geometries and cut-offs to meet your process requirements in viscosity, molecule size, impurity profile...

Martes 17 marzo 2020

Cantidad : 200,000 pc - Precio : usd160-500

The SS ceramic membrane module is designed by different applications. Stainless steel could be used as the material of module/housing, that is, ss membrane housing. JIUWU company could produce the extra large stainless steel membrane housing as customer demand, such as loading over...

Martes 17 marzo 2020

Cantidad : 200,000 pc - Precio : usd160-500

The ceramic microfiltration membrane element ( MF membrane) is made from alumina and zirconia which is an asymmetric membrane structure with multi-channel tubular shape. The pore is on the channel. Driven by operation pressure, the liquid is running in the membrane. The part less...

Martes 17 marzo 2020

How to understand the chromatographic separation? Put it in short, the more similar the separated substance to the stationary phase, the longer the residence time on it. In this way, different substances in a complex mixed solution can be separated according to time, and the separated...