SUBSTANCES - 1734 Annonces

Lundi 24 juin 2019

Glass fiber extraction thimbles can be used to collect harmful substances such as smoke, dust, acid mist and so on. It is widely used at home and abroad. It has excellent performance in high-temperature resistance, low weight loss, high efficiency, and high strength. Just because...

Lundi 24 juin 2019

When using filter paper, we should pay attention to the fact that when the filter paper is not displayed on the paper box of the filter paper, the precipitation should be paid attention to when using the quantitative and qualitative analysis filter papers. (1) Natural filtration is...

Mercredi 19 juin 2019

In order to evaluate water quality, laboratory workers need to analyze the chemical constituents of water. At the same time, they have to consider the interactions between each constituent and the factor of photolysis when choosing the sample vial. It is better to shorten the sample's...

Mercredi 19 juin 2019

SPE cartridges, with a full name of Solid Phase extraction cartridges, is also called the SPE column( solid phase extraction column). The solid phase extraction column/cartridges is a pretreatment device for the sample being analyzed, which developed from the chromatographic column...

Mardi 18 juin 2019

A more efficient way to extract compounds from solid materials—Soxhlet extraction (also known as sand extraction). In the laboratory, Soxhlet extractor uses solvent reflux and siphon principle, so that the solid substance is continuously extracted by pure solvent, which saves solvent...

Mardi 18 juin 2019

Qualitative filter papers usually apply to filter at atmospheric pressure, which uses the ability of the material to remove particles to separate the liquid and solid of the sample. It covers most of the laboratory applications, is used commonly for liquid clarification and, sometimes...

Dimanche 16 juin 2019

Ceramic Nanofiltration membrane is relatively recent membrane filtration system, with the purpose of softening and removal of disinfection by-product precursors such as natural organic matter and synthetic organic matter. More ultrafiltration membrane system details here! CHARACTERISTICS...

Jeudi 13 juin 2019

In order to evaluate water quality, laboratory workers need to analyze the chemical constituents of water. At the same time, they have to consider the interactions between each constituent and the factor of photolysis when choosing the sample vial. It is better to shorten the sample's...

Mardi 11 juin 2019

Overview To determine the physical and chemical parameters of natural water, laboratory workers always use polyethylene and borosilicate glass sample vials for common sampling. Furthermore, it is better to use chemically inert material. The frequently-used sample vialshave multiple...

Mardi 11 juin 2019

Overview of The Technology Under the help of various permeable filter membranes, membrane technology provides engineering strategies to transport selected substances between two different portions. To speak in a general way, filter membranes technology is utilized in processing separating...

Mercredi 05 juin 2019

Hawach summarized the advantages of QuEChERS in eight aspects. 1. Recovery Rate QuEChERS technology has the advantage of high recovery rate. Experimental data show that the recovery rate of large quantities of polar and volatile pesticides by QuEChERS is above 85%. 2. Accuracy Laboratory...

Lundi 03 juin 2019

Electric Cleaning Agent is mainly used for eradicating dirt, dust, and contaminations on the power equipment surface especially clean those which surface was heavily polluted. After cleaning it can significantly enhance the adhesion between the RTV coatings and the surface of insulator...

Samedi 01 juin 2019

General Categories of Filter Papers All the Filter Papers of Hawach Scientific Co., Ltd are made of cotton fiber, which can also be divided into qualitative filter papers and quantitative filter papers. The former can be confirmed its compositions and possesses a standard level and...

Samedi 01 juin 2019

The theory of high frequency welding equipment: Under the effect of the high frequency electric field, the positive and negative charges of the substance to be heated displace to form electric pole polarons. The polarons polarize repeatedly to cause the molecules to produce the intense...

Jeudi 30 mai 2019

Overview Honeycomb core introduction: Aluminum hexagonal honeycomb, with low density, 1/5 of the same thickness of the same board, 1/6 of the glass and 1/7 of the aluminum, can greatly reduce the construction load and cost. Because the middle interlayer contains a lot of air, so it...

Mardi 28 mai 2019

- - PP woven bags are widely used in the packaging industry because of their low price and good tear resistance. However, it is not moisture-proof, and it has the disadvantage of being easy to leak powdery substances. Kraft paper has the characteristics of non-toxic, easy to print...

Jeudi 18 avril 2019

MiniBottles Empty Plastic Bottles Description: The classic cylindricalbottle is made of food grade Pet, which is safer and more reliable.T he bottle Cap is made of Screw Cap, which is connected more tightly, ensuring that the bottle does not leak and the smallmouth is designed to...

Vendredi 12 avril 2019

Product Name: 30ml 60ml Small Foam Pump Bottles Material: The body of the bottle is made of PET materials; the pump head is made of PP materials. Capacity: 30g 60g Slogan: Delicate foam to give you more protection - Introduction: - This foam bottle is not only can be used to separate shampoo...

Vendredi 12 avril 2019

- 100ml 150ml Foam Bottles - - Product Name: 100ml 150ml Foam Bottles Material: PET Materials Capacity: 100ml 150ml 200ml Slogan: Delicate foam to give you more protection - Introduction: - This foam bottle is not only can be used to separate shampoo, but also used to bath milk...

Dimanche 24 mars 2019

CSA Binder Introduction: Calcium Sulfoaluminate binder is pure CSA clinker that grinded without any gypsum. It is a hydraulic cementitious material blend high in C4A3S (Calcium Sulfoaluminate Crystals). CSA Binder characteristics • Appearance: light grey powder • Rapid strength...

Dimanche 24 mars 2019

Description of Calcium aluminate cement Calcium aluminate cement, alumina cements or high alumina cements are obtained by the reaction at high temperature of lime (from limestone) and alumina (contained in natural minerals like bauxite). The product provided by csa cement suppliers...

Dimanche 24 mars 2019

Description of high alumina cement High Alumina Cement (HAC, sometimes known as calcium aluminate cement (CAC) or aluminous cement) is composed of calcium aluminates, unlike Portland cement which is composed of calcium silicates. It is manufactured from limestone or chalk and bauxite...

Dimanche 24 mars 2019

White Portland cement for sale or white ordinary Portland cement (WOPC) is similar to ordinary, gray Portland cement in all respects except for its high degree of whiteness. Obtaining this color requires substantial modification to the method of manufacture, and because of this, it...

Vendredi 22 mars 2019

Roha LCD display has a thin-profile design and the width of its screen-to-screen bezel is small. The appearance of “seams” on the video wall is minimized by this design, and the immersive visual experience is developped. Through using the seamless LCD screen which is high-definition...

Dimanche 20 janvier 2019

Long Sleeve Veterinary PE Gloves 1.Disposable Long Sleeve Veterinary PE Gloves With Shoulder Protection are gloves for use by vets for examinations, especially for cattle and horse, surgery or just general animal handling. 2.It is made by quality polyethylene, about 85-92cm length...

Vendredi 18 janvier 2019

Prix : USD 5.56-5.72 / Gram

Supplying Ability: 500 Grams / Month Price Term: FOB Payment Terms: L/C T/T Western Union Port: shanghai HS Code: 1211903960 Quick Details Country of Origin: China Brand Name: xiancaoyu Material: Huoshan dendrobium officinale Average Lead Time: According to the product and quantity...

Samedi 01 décembre 2018

Quantité : 1000 - Prix : Contact me

- CE标志 - - 欧洲认证 - 产品认证 - 音频和视频 - 家庭 - 信息技术 - 医 - 电信 这是监管欧洲产品标识允许进入欧盟/欧洲经济区成员国（甚至一些欧盟候选东欧国家）已 通过欧盟指令和国家规定的相应决定。 - 它适用于各种产品，包括： - - 电气消费产品 - 医疗设备 - 机械 - 关于CE标志的其他事实： - - CE标志基本上基于制造商自己的相关指令的符合性声明。 - In the case of some high risk products and where European product standards are not used...

Jeudi 15 novembre 2018

Prix : 200$

All players should enter the inner ball without shoes/footwear, eyeglasses, sunglasses, keys, phones, belts, watches, earrings or objects. This prevents the capsule from getting lacerated from the inside zorb ball, which would otherwise lead to accidents. On the hand; to protect the outside...

Vendredi 10 août 2018

Quantité : 15000 Squa - Prix : ¥25 ~ 120 / Square M

Nano aluminum composite panel is a new high-end functional product springing up in the recent years. A semiconductor oxide nanometer coating (current mainly TiO2) is added on the surface of curtain wall plate. The coating is composed of nanoscale particles and nanoscale pore in structure...

Mercredi 13 juin 2018

Quantité : 10 - Prix : 99 999,00 €

GE IC693MDL646 IC693MDL655 IC693MDL752 Contact: Jessica Email: sales3@amikon.cn Skype: jessica01235483 Mobile Phone: 86-18030235311(WhatsApp) The water supplied to the boiler contains trace amounts of suspended solids, colloidal substances and organic substances. Their presence will...