ACETATE - 234 Annonces

Samedi 19 septembre 2020

Quantité : 5 million - Prix : US$0.5-US$9.9

Features: Non-padded top quality certificate display easel Measurements: 9"x 11.5"; fits your 8.5" x 11" certificate, photo, or document Orientation: portrait, landscape Leatherette colors: black, navy blue, burgundy, forest green and royal blue 4 white satin ribbon corners Countertop...

Samedi 19 septembre 2020

Quantité : 5 million - Prix : US$0.5-US$9.9

We provide an effortless way to exhibit your diplomas of graduation, certificates of recognition and appreciation or award documents by simply inserting them into the ribbons corners slots of the certificate display. These leatherette award boards are made from high-quality leatherette...

Samedi 19 septembre 2020

Quantité : 5 million - Prix : US$0.5-US$9.9

Features Red award certificate binder with high quality textured leatherette exterior One white silk moiré panel on top, one white cardstock on the bottom side Folded size is 7.5" x9.5" fits one 7" x9" diploma Blank front cover for your school name and logo One acetate protector overlay...

Jeudi 09 avril 2020

Application of Membrane Filter The use of the filter membrane does not require special chemical treatment of flocculation, nor does it require evaporation separation, only need the pressure to separate solid from liquid, which is a major feature of filter membrane treatment. Filter...

Mercredi 01 avril 2020

Quantité : 5 million - Prix : US$0.5-US$9.9

Features Leather diploma folder in dark navy blue Double red velvet panels on left/right side Folded size 9" x11.5" fits one 8.5" x11" diploma Gold foil stamping on the front cover Book style to exhibit document vertically 4 cream satin ribbons at the end the each corner Middle stripe...

Mercredi 01 avril 2020

Quantité : 5 million - Prix : US$0.5-US$9.9

Features Red graduate diploma cover with premium textured leatherette exterior Two white inside moiré panels on both sides Fits one 8.5" x11" diploma Gold foil stamping logo and letters on the front of the cover A protective acetate sheet to hold your certificate securely Book style...

Mercredi 01 avril 2020

Quantité : 5 million - Prix : US$0.5-US$9.9

Features Royal blue linen certificate holders with high-quality regular leatherette exterior One white cardstock inside lining panel It measures 8.5" x10.5" to fit 8”x10” diploma Gold foil stamping logo on the front of the cover One acetate protector overlay on your diploma Tent style...

Mercredi 01 avril 2020

Quantité : 5 million - Prix : US$0.5-US$9.9

Features Padded certificate holder with high quality textured leatherette exterior One white silk moiré panel on top, one white cardstock on the bottom side Folded size of this padded diploma holder is 9"x11.5" fits one 8.5"x11" diploma Blank front cover for your school name and logo...

Mardi 31 mars 2020

Quantité : 10MT - Prix : USD2450/MT

Accélérateur en caoutchouc CBS (CZ) Nom chimique N-cyclohexyl-2-benzothiazole sulfénamide Formule moléculaire C13H16N2S2 Poids moléculaire 264,4 No CAS 95-33-0 Spécifications HG / T 2096-2006 Article Caractéristiques Haut grade Apparence Gris-blanc ou jaune-clair Poudre ou granulaire...

Mercredi 25 mars 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...

Mercredi 11 mars 2020

Hawach membrane filter is a poly-nuclear membrane composed of tens of thousands of micropores. Through membrane filter, particles larger than the aperture are filtered onto the surface. It is used to filter various solutions, remove bacteria and impurities. Also, the membrane filter...

Mardi 21 janvier 2020

The FLASH column is the heart of the FLASH purification system, like an engine in a car. If you want to do a good job, you must first sharpen the tools. Choosing the correct FLASH purification column is the most critical part of the whole purification process. And choosing the right...

Mardi 14 janvier 2020

Membrane filter can be described as the permeate and the retentate when the substances pass a single feed stream through a membrane system and separate into two individual streams. And the membrane that separates them is acting like a physical barrier with highly specialized characteristics...

Vendredi 13 décembre 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...

Mardi 10 décembre 2019

Mixed cellulose ester (MCE) filter membrane is made of refined nitrocellulose and added with the appropriate amount of cellulose acetate, acetone, n-butanol, ethanol, etc. It is hydrophilic, non-toxic and hygienic. The MCE filter membrane is mainly used for filtering aqueous solutions...

Jeudi 24 octobre 2019

The organic membrane is a material having a selective separation function, and when there is a driving force on both sides of the membrane (such as a pressure difference, a concentration difference, a potential difference, etc.), the raw material component selectively permeates the membrane...

Samedi 12 octobre 2019

The core component of the membrane filter is the membrane. It is a kind of thin film which is prepared on the microporous bearing layer with smaller holes. There are various materials for making the membrane, including organic membrane and inorganic membrane. As the core component...

Lundi 30 septembre 2019

1. The pore size of the filter membrane must be accurately selected as needed before use. The material to be filtered must be larger than the pore size of the membrane. 2. It should be cleaned before use, that is, soaked in distilled water of about 70-80 degrees for 4 hours, or soaked...

Vendredi 27 septembre 2019

The organic membrane is a material having a selective separation function, and when there is a driving force on both sides of the membrane (such as a pressure difference, a concentration difference, a potential difference, etc.), the raw material component selectively permeates the membrane...

Vendredi 20 septembre 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)...

Mardi 17 septembre 2019

Filtering water is not as simple as it seems to be, because the pores in a membrane often get clogged with the material, and it is hard to clean or replace them. Depended on the new filter design, you don't have to worry about it anymore. The liquid-gated membrane is tested a new...

Mardi 10 septembre 2019

1. Advantages and disadvantages of commonly used extraction solvents Acetonitrile: easy to salt out; compatible with LC/MS; difficult to concentrate Acetone: not easy to salt out; easy to volatilize, concentrate Ethyl acetate: immiscible with water; less extraction of impurities;...

Samedi 07 septembre 2019

There are bubbles in the mobile phase, the pump is turned off, the pressure relief valve is opened, the purge button is turned on, the degas is cleaned, the bubbles are continuously ejected from the HPLC column, and the mobile phase enters the mobile phase. No matter how many times...

Vendredi 06 septembre 2019

Quantité : 1kg - Prix : $4

Characters Vibrant formula that uses advanced technology to synthesize a highly effective and broad-spectrum bactericide to control the growth of microorganisms in the entire reverse osmosis system. Not only effectively control the growth of microorganisms in cellulose acetate film...

Mardi 03 septembre 2019

The mixed cellulose(MCE) membrane is made of refined nitrocellulose, added with the appropriate amount of cellulose acetate, acetone, n-butanol, ethanol, etc., which is hydrophilic, non-toxic and hygienic. The mixed cellulose membrane is a kind of porous membrane filtration material...

Vendredi 16 août 2019

The membrane filters of different materials have different characteristics. Here are as follows: - Nylon (NY) Material - Features: hydrophilic, resistant to some organic materials, not strong acid, protein binding capacity is high, so it is not suitable for protein recovery. Application...

Jeudi 15 août 2019

Background Technique The wood pulp with a characteristic of single fiber, has been serving as the only raw material of the quantitative filter paper. To improve its filtering accuracy, the pore size has to be reduced, which can increase the filtering resistance and shorten the practical...

Mardi 06 août 2019

Quantité : 100000TM - Prix : 50USD

CAS: 123-42-2 Uses of Diacetone (DAA) DAA is used as a raw material for high boiling point solvents, paint diluents, wood stains, rust removers, and dyes, etc. Diacetone boiling point is 166 °C (331 °F; 439 K). DAA is used as a dye raw material and resin solution. It can be used as...

Mercredi 31 juillet 2019

Membrane Filter Water Treatment Membrane filter water treatment is a solid-liquid separation technology. It filters water through membrane holes and retains impurities in water without chemical changes. However, due to the very small size of the membrane holes, there are some corresponding...

Lundi 15 juillet 2019

Laboratory workers use a membrane to filter two phases. Actually, the membrane is a kind of media. According to different aperture sizes, filter membranes can be divided into the microporous membrane, ultrafiltration membrane, nanofiltration membrane a nd reverse osmosis membranes...