CONTAMINATION - 813 ads

Wednesday, September 04, 2019

Quantity : 600000mont - Price : 0.1USD-0.5USD

Product Name: Body Wash Bottles Material: PET Materials; PP Materials Capacity: 50ml-750ml Slogan: You have a wide variety of choices Introduction: This series of body wash containers are made of PET materials and PP materials. They are environmentally friendly and contain no harmful additives...

Wednesday, September 04, 2019

Quantity : 600000mont - Price : 0.1USD-0.5USD

Product Name: 50ml 100ml 150ml Shampoo Bottles 200ml plastic bottle Material: PET Materials Capacity: 50ml 100ml 150ml 200ml Slogan: Dark green bottle and sloping shoulder gives you exquisite texture. Dark green bottle and sloping shoulder gives you exquisite texture Introduction...

Tuesday, September 03, 2019

Sample vial has gained significant progress in performance and variety in recent years. To meets the needs of customers at a higher level, our company has launched three kinds of sample vials, there is screw top sample vial, crimp top sample vial and snap top sample vial. All of them...

Friday, August 30, 2019

Quantity : 100pcs - Price : 5.05usd

ND20 Crimp Neck Vials Part No. VH1017 VH2017 VHR2017 Description 10ml crimp headspace clear vial, flat bottom 22.5*46mm USP 1 20ml crimp headspace clear vial, flat bottom 22.5*75.5mm USP 1 20ml crimp headspace clear vial, rounded bottom 22.5*75.5mm USP 1 Location : NO...

Thursday, August 29, 2019

Quantity : 100pcs - Price : USD50-USD180

Overview of 1000W Internal Reflector Grow Light Fixture Specially designed for internal reflector lamps, 600W & 1000W for options Runs on 240V and 400V with high efficient 1000W electronic ballast Warranty: 3 years The Details of 1000W Internal Reflector Grow Light Fixture HID...

Wednesday, August 28, 2019

● Lightweight, low profile design for use in confined spaces ● Baked enamel finish for increased corrosion resistance ● Plunger wiper reduces contamination, extending cylinder life ● CR-400 coupler and dust cap included on all models ● Grooved plunger end with threaded holes for mounting...

Saturday, August 17, 2019

Quantity : 500kg

Multifunctional Insulator Cleaning Agent (RS-10) is mainly used for eradicating dirt, dust and contaminations on surface of the power equipment, especially clean that which surface was heavily polluted. After cleaning, RS-10 can significantly enhance the adhesion between the RTV coatings...

Saturday, August 17, 2019

Quantity : 500kg

High Voltage Insulator Coating (HVIC) is used on excessive voltage insulators to forestall flashover and arcing, particular in severely contaminated environments. Following the following 2 tips, you will get good results: Clean all surfaces of dust, grease and wax & Check temperature...

Saturday, August 17, 2019

Quantity : 500kg

A functional insulator coating to protect insulators in pollution area, such as industrial area, coastal area and other extreme environmental conditions, also can be used in normal environmental conditions. RTV-II/ PRTV is a one part and new type Room Temperature Vulcanizing RTV silicone...

Tuesday, August 06, 2019

We are the one of the largest potential suppliers of Used Cooking oil with the prices of per ton USD: 300 CIF to your nearest port. The Specification of our UCO is as detailed below. - Free fatty acids: 1.75 % - M.I.U (Moisture and Impurities): 0.02 % - Saponification value: 186 - Iodine value...

Friday, August 02, 2019

Syringe filter is a kind of disposal filter cartridge, which is attached at the end of injector for using. It is optional to use syringe needles, if it is possible, it could be installed in the end. It is generally made of plastic shells and thin films which acts as filters. Due to...

Thursday, August 01, 2019

There are two different cases of retention time: retention time drift and retention time fluctuations. The former means that the retention time changes only in one direction, while the latter refers to the fluctuation of the retention time without a fixed law. It is often helpful...

Tuesday, July 30, 2019

Pipettes are an indispensable routine in the laboratory. They are used by every researcher, especially in the biological, pharmaceutical, chemical and other industries. The durability and accuracy of the corresponding pipettes are of the utmost concern. Some customers often mention...

Thursday, July 25, 2019

Quantity : 50 - Price : $145

Original Hummingbird Rotary Tattoo Machines with Swiss motor Maxon or standard Swiss motor available for this machine We do not use any other motors for Hummingbird tattoo machines The Hummingbird series rotary tattoo machines are designed and made by our company. It's been tested...

Monday, July 15, 2019

The sample vials were cleaned according to different contamination levels. Generally, the cleaning method is selected according to the degree of pollution. If the cost is adequate, it is best to use a new one every time. Solution method of cleaning sample vials: 1. Rinse with running...

Monday, July 15, 2019

The solid phase extraction cartridges (SPE column, or Solid Phase Extraction Cartridges, or SPE cartridges for short) is a sample pretreatment device for extraction, separation and concentration developed from a chromatography column. Mainly used in sample pretreatment of various foods...

Friday, July 12, 2019

Hawach ensures the accuracy of each sample vial and cap specification, from the initial design to the final photoelectric scanning inspection process, our strict tolerance control throughout the entire manufacturing process. Integrity, cleanliness, and uniformity of a sample vial...

Thursday, July 11, 2019

First, the purpose of the request The colorectal flora in water was determined by the membrane method. Second, the basic principles The filter membrane method uses a filter to filter the water sample, and the bacteria are trapped on the filter membrane, and then the filter membrane...

Wednesday, July 10, 2019

A bottle-top dispenser is a device installed at the mouth of a solvent bottle to take a large amount of solution and has been constantly updated and improved to meet the growing operational requirements of the laboratory for more than ten years. There are two kinds of bottle-top dispensers...

Tuesday, July 09, 2019

First, the purpose of the request The colorectal flora in water was determined by the membrane method. Second, the basic principles The filter membrane method uses a filter to filter the water sample, and the bacteria are trapped on the filter membrane, and then the filter membrane...

Tuesday, July 09, 2019

The reversed-phase HPLC columns may be repeatedly injected into a sample containing a strongly retained material, and in particular, the sorbent components such as large molecular weight or hydrophobic biological flow proteins and strong alkaline substances may be adsorbed on the silica medium...

Monday, July 08, 2019

Single-Channel Manual Pipette Features Tip the pop-up button for one-handed operation. The handle hook can be easily attached to the palm of your hand. Clear readings. The tip retracting rod and nozzle can be removed for easy cleaning and maintenance. Rotatable dispensing head makes...

Monday, July 08, 2019

What is the sample vial? Sample vials, also named as sampling bottles, purification bottles, aseptic bottles, clean bottles, filter bottles, etc., are essential for detecting pollution. According to International Standard, it is specially qualified for cleaning appliances so that...

Monday, July 08, 2019

First, the continuous polypropylene long fibers produced by the melt-blown process are wound with polypropylene as raw material. Second, high filtration accuracy, large flow rate, uniform structure, large contamination capacity, and long service life. Third, good chemical compatibility...

Friday, July 05, 2019

Generally speaking, bottle-top dispenser which is a scientific device could improve the wide application, safety performance, speed and reliability. In addition, it could save your time and work, even protect you and your samples. To be more specific, the advantages of the bottle-top...

Tuesday, July 02, 2019

The key to regenerating contaminated HPLC columns is to know the nature of the contaminants and to find the right solvent to remove. If contamination is caused by the accumulation of strongly retained materials during repeated injections, simple steps to remove these contaminants...

Monday, July 01, 2019

Sample vial, also known as sampling bottle, purification bottle, sterile bottle, clean bottle, filter bottles, etc., is essential for pollution detection. It is special equipment which is qualified for cleaning according to the international standard ISO3722 “Identification of Cleaning...

Thursday, June 20, 2019

Firstly, let's divide those bottle-top dispensers into 3 groups according to their materials A. Highly corrosion resistant materials such as PTFE, PFA, boron silicate, platinum, etc. Application: Resistant to high-temperature sterilization (121℃), withstand most of the acid, alkali...

Saturday, June 15, 2019

- Automotive - Applying advance techniques of feeding and handling, flexible conveying, robot integration, visual inspection and laser marking, Yiheda provides automation solutions of automotive parts production to customers according to the features of products and their demands...

Wednesday, June 12, 2019

Hawach introduces pipettes from the pipetting speed of the pipette and precautions during storage. First, the rate of liquid absorption. It is often seen in the laboratory that in order to “improve efficiency”, the user quickly releases the thumb during aspiration, which causes the...