D-Link DGS-1250-52XMP Network Switch Managed L3 None Black Power Over Ethernet (PoE) Condition: NEW
CAS accession number: 15365-14-7 Specifications: Appearance black powder chemical formula LiFePO4 molecular weight 157.76 vibration density 0.86g/cm3 powder compaction 2.41g/cm3 specific surface area 13.68m2/g C content 1.4wt% H2O 568ppm PH 9.21 Fe 34.2wt% Li 4.5wt% P 19.51wt% N+K 129ppm Ca 35ppm Ni 14ppm Zn 25ppm Cu 1ppm magnetic substances (Ni + Cr + Zn) 0.5ppm nature: Lithium iron phosphate (LiFePO4) is widely regarded as the most promising cathode material for lithium ion batteries due to its high safety, stable cycle performance, low price, stable discharge platform and environmental friendliness. application: energy storage equipment for solar and wind power generation systems, UPS for uninterruptible power generation systems, and use solar cells as energy storage equipment; high-power electric tools (wireless), electric drills, weeding machines, etc; electric locomotives, electric bicycles, recreational vehicles, electric booster, cleaning vehicles, hybrid electric vehicles (HEV); medical equipment (electric wheelchairs, electric scooters), toys (remote control electric planes, cars, boats). storage method: sealed storage to avoid direct sunlight; It is recommended to store it in indoor temperature 35 and humidity 50% RH.
PVPP (pharmaceutical grade)-Polyvinylpolypyrrolidone CAS accession number: 25249-54-1 Specifications: Appearance white or white-like powder chemical formula (C6H9NO)n molecular weight 111.142 Density 1.144g/cm3 melting point 300â?? boiling point 217.6â?? boiling point 1.593â?? Water â?¤ 5.0 % water-soluble substances â?¤1.5 % particle size, â?¤ 63 microns â?¤85% vinyl pyrrolidone ppm â?¤10 PH in 1% water 5-8 heavy metal â?¤10ppm Nitrogen 11.0-12.8% sulphated Ashâ?¤0.1% Peroxides ppmâ?¤400 nature: white or nearly white, hygroscopic and easy-to-flow powder, odorless or slightly smelly, insoluble in water, strong alkali, strong acid and common organic solvents such as ethanol, chloroform or ether, with very light expansion, Excellent physiological inertness, biocompatibility and good complexation ability with various substances. application: Disintegrating agents commonly used in the pharmaceutical industry are insoluble PVPP, hydroxymethyl starch and L-hydroxypropyl cellulose. The decomposition effect of insoluble PVPP tablets is the most obvious and convenient. Because the swelling of insoluble PVPP is reversible, it is not affected by pre-wetting and drying, and its effect and decomposition time are not affected; can also be used as disintegrant and filler for pills, granules, hard capsules. storage method: should be sealed and stored in a clean and dry warehouse, and attention should be paid to fire prevention, waterproof, sun protection, dust prevention and pollution prevention. higher solid content, higher melt viscosity and better particle distribution. PVPP (food grade) CAS accession number: 25249-54-1 Specifications: Appearance white or white-like powder chemical formula (C6H9NO)n molecular weight 111.142 Density 1.144g/cm3 melting point 300â?? boiling point 217.6â?? refractive index 1.593 Moistureâ?¤6.0% water- soluble matterâ?¤0.5% free-N-vinylpyrrolidoneâ?¤10ppm N,N-divinyl-imidazolinoneâ?¤2ppm PH(in 1% water) 5-8 heavy metalâ?¤10ppm nitrogen content 11.0-12.8% sulphated Ashâ?¤0.4% peroxideâ?¤400ppm lead contentâ?¤2ppm lead contentâ?¤2ppm nature: white or nearly white, hygroscopic and easy-to-flow powder, odorless or slightly smelly, insoluble in water, strong alkali, strong acid and ethanol, chloroform or ether, etc; commonly used organic solvents have light expansibility, excellent physiological inertness, biocompatibility and good complexation ability with various substances. application: is widely used in brewing and beverage industries as a clarifying agent and stabilizer for beer, fruit wine and fruit juice; is suitable for any kind of beer (red wine, fruit juice, etc.), improves color and taste, has no adverse effect on foam and taste, and can prolong storage period. storage method: should be sealed and stored in a clean and dry warehouse, and attention should be paid to fire prevention, waterproof, sun protection, dust prevention and pollution prevention.
CAS login number: 872-50-4 Specifications: Appearance colorless transparent liquid chemical formula C5H9NO molecular weight 99.13 density 1.033g/cm3 melting point -24â?? melting point 202â?? Purity 99.91% moisture 88ppm chroma APHA 6 total amine ppm 12.7 PH 7.73 nature:is miscible with water, soluble in most organic solvents such as ether and acetone, and can dissolve most organic and inorganic compounds, polar gases, natural and synthetic polymer compounds application:excellent advanced solvents, widely used in petrochemical, pesticide, medicine, electronic materials and other fields. It can be used for synthesis gas desulfurization, lubricating oil refining, lubricating oil antifreeze, olefin extractant, agricultural herbicide, insulation material, integrated circuit production, pvc tail gas recovery, cleaning agent, dye additive, dispersant, etc. storage method:stored in a cool, dry place
CAS accession number: 9003-39-8 Product specifications: Appearance: white powder chemical formula: (C6H9NO)n molecular weight: 111.143 density g/cm3: 1.69 melting point â??: 130 boiling point â??: 90-93 K value: 92.5 moisture %: 2.8 PH value (5% in water): 5.8 1-vinylpyrrolidin-2-one %: 0.0006 residue on ignition %:0.02 Nitrogen Content%: 12.2 aldehydes (as acetaldehyde)%: 0.00023 heavy metals (as Pb) ppm:
CAS accession number: 9003-39-8 Product specifications: Appearance: white powder chemical formula: (C6H9NO)n molecular weight: 111.143 density g/cm3: 1.69 melting point â??: 130 boiling point â??: 90-93 content%: 98 K: 30.24 PH: 3.63 vinylpyrrolidone%: 0.01 burning residue%: 0.01 Nitrogen Content%: 11.8 aldehyde (calculated as acetaldehyde)%: 0.02 heavy metals (in terms of lead) ppm:
Anhydrous lithium hydroxide, barium metaborate hydrate, dmso, ethyl butylacetylaminopropionate, glacial acetic acid, lithium iron phosphate, lithium phosphate, lithium carbonate, lithium hydroxide, nmp, pvp k15, pvp k30, pvp k90, pvpp (food grade).Foreign trade network, logistics supporting service, environmental protection
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