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polyacrylamide refractive index alibaba

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    Alibaba.com offers 31 measure refractive index products. About 64% of these are refractometers, 9% are testing equipment, and 6% are other optics instruments. A wide variety of measure refractive index options are available to you, such as electronic. You can also choose from synthetic (lab created). As well as from analog sensor.

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    China Index Of Refraction Lens, China Index Of Refraction Lens Suppliers and Manufacturers Directory - Source a Large Selection of Index Of Refraction Lens Products at optical lens,contact lens case,contact lens from China Alibaba.com

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  • Poly(acrylamide) - polymerdatabase.com

    The refractive index increments of polyacrylamide for various wavelength were determined both in the usual solvents (water, ethylene glycol, formamide) and in those so far unused (ethanolamine, dimethyl sulfoxide). The values thus obtained are compared with the reported data. The necessity to employ anhydrous polyacrylamide samples is stressed.

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  • Alibaba

    2015-12-13 · PROPERTY: UNIT: VALUE RANGE: PREFERRED: Molar Volume V m: mL mol-1: 54.6: Density ρ: g mL-1: 1.30: Solubility Parameter δ: MPa 1/2: Molar Cohesive Energy E coh: J ...

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    Henan Anjiajing Environmental Protection Technology Co., Ltd., Experts in Manufacturing and Exporting polyacrylamide, Polyaluminium chloride and 170 more Products. A Verified CN Gold Supplier on Alibaba…

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  • Poly(acrylamide) - polymerdatabase.com

    2015-12-13 · PROPERTY: UNIT: VALUE RANGE: PREFERRED: Molar Volume V m: mL mol-1: 54.6: Density ρ: g mL-1: 1.30: Solubility Parameter δ: MPa 1/2: Molar Cohesive Energy E coh: J ...

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    Refractive Index ho = 2.176 he = 2.180 @ 633 nm 直径 1/2/3/4/5英寸 厚度 0.5mm 可定制 晶 向 X Y Z 表面/背面 抛光/研磨 抛光/抛光 粗糙度 < 0.5nm 掺铁浓度 可定制 offer详细描述:3 订购说明 offer详细描述:4 买家还在看 内容声明:阿里巴巴中国站为第三 ...

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    The refractive index increments of polyacrylamide for various wavelength were determined both in the usual solvents (water, ethylene glycol, formamide) and in those so far unused (ethanolamine, dimethyl sulfoxide). The values thus obtained are compared with the reported data. The necessity to employ anhydrous polyacrylamide samples is stressed.

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  • Polyacrylamide 9003-05-8 wiki - guidechem.com

    Refractive index. n 20/D 1.391(lit.) Water solubility. Soluble. 7.45 g/100 mL. Storage conditions . 2-8°C. Vapor Density: 1.83 (vs air) Application . Acrylonitrile is used to synthesize polyacrylonitrile, nylon 66, butadiene nitrile rubber, ABS resin, polyacrylamide, acrylate and so on. It is also used as grain fumigant.

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  • Polyacrylamide - Cas No 9003-05-8 Knowledge - Echemi

    Polyacrylamide is insoluble in benzene, toluene, xylene, gasoline, kerosene, diesel fuel, but soluble in water. Polyacrylamide can react with alkaline with partial hydrolysis of polyacrylamide. It will have imidization reaction in strongly acidic (pH≤2.5) which will reduce its solubility in …

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  • Refractive-index-matched hydrogel materials for

    2013-1-20 · In imaging-based studies of flow around solid objects, it is useful to have materials that are refractive-index-matched to the surrounding fluid. However, materials currently in use are usually rigid and matched to liquids that are either expensive or highly viscous. This does not allow for measurements at high Reynolds number, nor accurate modeling of flexible structures.

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  • Polyacrylamide by GPC - Chromatography Forum

    2007-3-16 · Polyacrylamide by GPC. Help!! I'm running a clients samples by GPC for Mw determination. The samples are low Mw polyacrylamide. Our first run was an attempt at using PEG reference standards for calibration. Here's what we noted: 1. Calibration is perfectly linear from 200,000 to …

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  • Refractive index increments of polyacrylamide and

    The refractive index increments of polyacrylamide for various wavelength were determined both in the usual solvents (water, ethylene glycol, formamide) and in those so far unused (ethanolamine, dimethyl sulfoxide). The values thus obtained are compared with the reported data. The necessity to employ anhydrous polyacrylamide samples is stressed.

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  • CAS 9003-05-8 Polyacrylamide

    2021-7-9 · Polyacrylamide Chemical Properties: Melting point: >300 °C Density: 1.189 g/mL at 25 °C Refractive index: n20/D 1.452 Fp: >230 °F Storage temp.: Refrigerator Form: Granules Color: White to faintly yellow Water Solubility: SOLUBLE HS Code: 39069010. Uses: It is used as a flocculant in water treatment industry.

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  • Optical constants of polyacrylamide solution in the ...

    2018-2-1 · The real part of the complex refractive index is the usual refractive index n, and the imaginary part is the absorption index k. Transmittance T and absorbance A of PAM solutions for a given sample thickness l are expressed as (2a) T = I 0 I t = exp ( − α l ) (2b) A = − α l log 10 ( e ) Where, I 0 is the incident light intensity, I is the ...

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  • Fast delivery 99% 98% acrylonitrile /2 ... - Alibaba

    Refractive index. n 20/D 1.391(lit.) Water solubility. Soluble. 7.45 g/100 mL. Storage conditions . 2-8°C. Vapor Density: 1.83 (vs air) Application . Acrylonitrile is used to synthesize polyacrylonitrile, nylon 66, butadiene nitrile rubber, ABS resin, polyacrylamide, acrylate and so on. It is also used as grain fumigant.

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  • Polyacrylamide Handbook - SNF

    2019-12-31 · generate changes in the refractive index of the components and lead to slight color variations. Color changes can also occur during the storage (due to temperature differences, UV light etc.), and some pails may behave differently within the same batch, quite at random. It is absolutely impossible to predict or control such limited color changes.

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  • Polyacrylamide in hydraulic fracturing fluid causes

    2018-8-15 · 2.2. Synthetic flowback water. Synthetic flowback water was obtained by reacting the synthetic fracturing fluid with 25 g/L shale at 80 ℃ and 83 bar for 24 h simulating downhole conditions encountered in natural gas reservoirs. The variation in these conditions across different gas formations can be large , and its impact on polyacrylamide degradation was investigated previously.

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  • Polyacrylamide by GPC - Chromatography Forum

    2007-3-16 · Polyacrylamide by GPC. Help!! I'm running a clients samples by GPC for Mw determination. The samples are low Mw polyacrylamide. Our first run was an attempt at using PEG reference standards for calibration. Here's what we noted: 1. Calibration is perfectly linear from 200,000 to …

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  • Puissant indice de réfraction élevé résine ... - Alibaba

    Alibaba.com propose des indice de réfraction élevé résine de haute qualité et abordables. Ces indice de réfraction élevé résine peuvent être appliqués à de nombreux matériaux différents.

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  • CAS 9003-05-8 Polyacrylamide

    2021-7-9 · Polyacrylamide Chemical Properties: Melting point: >300 °C Density: 1.189 g/mL at 25 °C Refractive index: n20/D 1.452 Fp: >230 °F Storage temp.: Refrigerator Form: Granules Color: White to faintly yellow Water Solubility: SOLUBLE HS Code: 39069010. Uses: It is used as a flocculant in water treatment industry.

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  • CAS 9003-05-8 Polyacrylamide products price,suppliers

    Usage:Polyacrylamide ; Brand:H.X.K ; Description:Polyacrylamide CAS: 9003-05-8 MF: C3H5NO MW: 71.0779 Melting point >300 °C density 1.189 g/mL at 25 °C refractive index n20/D 1.452 Fp >230 °F storage temp. Refrigerator form Granules color White to …

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  • Polyacrylamide Handbook - SNF

    2019-12-31 · generate changes in the refractive index of the components and lead to slight color variations. Color changes can also occur during the storage (due to temperature differences, UV light etc.), and some pails may behave differently within the same batch, quite at random. It is absolutely impossible to predict or control such limited color changes.

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  • POLYACRYLAMIDE 25085-02-3 China - GuideChem

    2018-11-21 · POLYACRYLAMIDE CAS No.: 25085-02-3 Purity: Kaichuang Chemicals Industrial Co. Ltd Polyacrylamide (PAM) CAS No.: 25085-02-3 Purity: 99 Jinan Haohua Industry Co., Ltd. Scented Dehumidifier Moisture Absorber B...

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  • RefractiveIndex.INFO - Refractive index database

    Refractive index database [about] Shelf. Book Page. Optical constants of Ag (Silver) Johnson and Christy 1972: n,k 0.188-1.94 µm. Wavelength: µm (0.1879 – 1.9370) Complex ...

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  • Diffusion in polyacrylamide gels - ScienceDirect

    1981-2-1 · Refractive index change of the circulating solution was monitored using a Waters refractive index instrument (model R-403), connected to a digital vol- tmeter (Newport 2003) and a recorder. A printer (Newport 810) equipped with a clock for registering the signal at a pre-set time interval was coupled to the digital voltmeter.

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  • Drag reduction behavior of hydrolyzed polyacrylamide ...

    2017-8-28 · The specific refractive index increments (dn/dc) value of the HPAM in 0.5 mol L-1 NaCl solution, which was determined by an OPTILAB T-reX differential refrac-tometer (Wyatt Technology) at 633 nm and 25 C, was 0.162 mL/g. Viscosity averaged molecular weight of XG was measured using the method described in the literature (Sohn et al. 2001).

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  • Polyacrylamide in hydraulic fracturing fluid causes

    2018-8-15 · 2.2. Synthetic flowback water. Synthetic flowback water was obtained by reacting the synthetic fracturing fluid with 25 g/L shale at 80 ℃ and 83 bar for 24 h simulating downhole conditions encountered in natural gas reservoirs. The variation in these conditions across different gas formations can be large , and its impact on polyacrylamide degradation was investigated previously.

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  • Polyacrylamide Handbook - SNF

    2019-12-31 · generate changes in the refractive index of the components and lead to slight color variations. Color changes can also occur during the storage (due to temperature differences, UV light etc.), and some pails may behave differently within the same batch, quite at random. It is absolutely impossible to predict or control such limited color changes.

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  • Diffusion in polyacrylamide gels - ScienceDirect

    1981-2-1 · Refractive index change of the circulating solution was monitored using a Waters refractive index instrument (model R-403), connected to a digital vol- tmeter (Newport 2003) and a recorder. A printer (Newport 810) equipped with a clock for registering the signal at a pre-set time interval was coupled to the digital voltmeter.

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  • RefractiveIndex.INFO - Refractive index database

    Refractive index database [about] Shelf. Book Page. Optical constants of Ag (Silver) Johnson and Christy 1972: n,k 0.188-1.94 µm. Wavelength: µm (0.1879 – 1.9370) Complex ...

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  • Polyacrylamide Gel Electrophoresis - an overview ...

    Polyacrylamide gel electrophoresis (PAGE) is a method of separating DNA fragments/proteins depending on size, structure, and molecular weight (MW). The gel is prepared by polymerizing acrylamide with the cross-linking agent N,N ′-methylenebisacrylamide (bis-acrylamide). The polymerization process is accelerated by ammonium persulfate and is ...

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  • On the use of refractive-index-matched hydrogel for

    2014-11-21 · Refractive index matching (RIM) is one such approach. It involves the pairing of transparent fluid and solid materials, each with an index of refraction (IOR), n , similar to the other. For a ray traveling from one medium into a second, this relationship is expressed by the law of refraction: n sin θ = n ′sin θ ′ (commonly known as Snell ...

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    Refractive index n20D2 APAG-GL-006 : 1988 1.4731 min 1.4737 Glycerine content %1 APAG-GL-009 : 1988 99.5 min 99.8 Colour APHA1 ASTM D1209 : 1993 10 max 2.5 Fatty acids & esters 1 (ml 0.5N NaOH/50g) USP XXllI : 1995 1.0 max 0.14 USP XXllI 0.01

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  • The instantaneous monitoring of polyacrylamide gels

    The use of local increments of refractive index in polyacrylamide gels for measuring protein concentrations in zones during electrophoresis is briefly considered; it is found that such increments are greater than would be expected from the amount of protein when sodium dodecyl sulphate is present. The enhancement depends on conditions and time ...

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  • Polyacrylamide Powder Manufacturer,Exporter,Supplier

    Refractive Rate 1.460 Melting Point 84.5 °C (184.1 °F; 357.6 K) Usage Water treatment chemical,waste water treatment chemical,Dewatering,Oil field,Incense Making,Ore dressing and coal washing,Paper Making,Textile,Construction,Agriculture,Industrial waste water treatment,drinking water treatment

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    Find the cheap Gem Refractometer, Find the best Gem Refractometer deals, Sourcing the right Gem Refractometer supplier can be time-consuming and difficult. Buying Request Hub makes it simple, with just a few steps: post a Buying Request and when it’s approved, suppliers on our site can quote.

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  • Instruction Manual Polyacrylamide Gel

    2009-9-3 · equipment such as UV/Vis, conductivity, and refractive index monitors. Section 4 Sample Gel filtration is largely independent of sample concentration. The volume of the sample relative to the bed volume is far more impor-tant. For analytical purposes the sample should not be larger than 1-5% of the bed volume, whereas for desalting the sample ...

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  • On the use of refractive-index-matched hydrogel for

    2014-11-21 · Refractive index matching (RIM) is one such approach. It involves the pairing of transparent fluid and solid materials, each with an index of refraction (IOR), n , similar to the other. For a ray traveling from one medium into a second, this relationship is expressed by the law of refraction: n sin θ = n ′sin θ ′ (commonly known as Snell ...

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    2021-6-21 · However, the tissues cleared using DAPS copolymers-containing hydrogels became turbid in a refractive index-matching solution, which are unable to obtain clear 3D fluorescence images. In contrast, the 3D fluorescence imaging is achieved in the MPC polymer-treated 2-mm-thick brain slices after immunostaining.

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    Refractive index n20D2 APAG-GL-006 : 1988 1.4731 min 1.4737 Glycerine content %1 APAG-GL-009 : 1988 99.5 min 99.8 Colour APHA1 ASTM D1209 : 1993 10 max 2.5 Fatty acids & esters 1 (ml 0.5N NaOH/50g) USP XXllI : 1995 1.0 max 0.14 USP XXllI 0.01

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  • Refractive-index-matched hydrogel materials for

    2013-3-25 · Polyacrylamide gel also has a number of qualities desired for RIM–PIV: it is straightforward to manufacture, it can be cast easily into a variety of shapes, it is nearly transparent, and it has a refractive index close to that of water (Stein 2010). Its optical properties, density, and elastic modulus can be controlled by chemical composition

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  • The instantaneous monitoring of polyacrylamide gels

    The use of local increments of refractive index in polyacrylamide gels for measuring protein concentrations in zones during electrophoresis is briefly considered; it is found that such increments are greater than would be expected from the amount of protein when sodium dodecyl sulphate is present. The enhancement depends on conditions and time ...

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  • www.advmat.de Highly Stretchable, Strain Sensing

    2019-1-8 · Optical properties of step-index, core/clad alginate-polyacrylamide hydrogel fibers. a) The dependence of optical attenuation in hydrogels on the acrylamide (AAm) concentration, averaged over the visible spectrum (400–700 nm). b) The refractive index of alginate-polyacrylamide precursors

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  • Refractive index matching (RIM) of liquid and semi

    2020-4-11 · Hydrogels in general enable the transparent modelling of soft matter , flexible materials in the form of hydrogels made from polyacrylamide and agarose were made with refractive indices in the range of 1.33–1.35 , and refractive index matching of polyacrylamide has been described as a way to enhance the clarity of a hydrogel matrix for gel ...

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  • Polyacrylamide Powder Manufacturer,Exporter,Supplier

    Refractive Rate 1.460 Melting Point 84.5 °C (184.1 °F; 357.6 K) Usage Water treatment chemical,waste water treatment chemical,Dewatering,Oil field,Incense Making,Ore dressing and coal washing,Paper Making,Textile,Construction,Agriculture,Industrial waste water treatment,drinking water treatment

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  • POLYACRYLAMIDE 25085-02-3 China - GuideChem

    2018-11-21 · POLYACRYLAMIDE CAS No.: 25085-02-3 Purity: Kaichuang Chemicals Industrial Co. Ltd Polyacrylamide (PAM) CAS No.: 25085-02-3 Purity: 99 Jinan Haohua Industry Co., Ltd. Scented Dehumidifier Moisture Absorber B...

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  • Polyacrylamide – scipoly.com

    2021-6-8 · Alpha Sort: Polyacrylamide: Approx Mw: 5-6,000,000: Approx Mw Sort: 6000000: Brookfield viscosity: 2cp (0.1% solution) CAS# 9003-05-8: Density: 1.302 (23C) Physical Form

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  • Characterization of ultrahigh-molecular weight

    In this study, frit inlet asymmetrical flow field-flow fractionation (FlFFF) with multi-angle light scattering (MALS) and differential refractive index (DRI) detection is utilized for size separation, determination of molecular weight (MW), and conformation of ultrahigh-MW (10 7-10 9 g/mol) cationic polyacrylamides (C-PAMs), a class of water-soluble copolymers based on acrylamide and vinyl ...

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  • Refractive-index-matched hydrogel materials for

    2013-3-25 · Polyacrylamide gel also has a number of qualities desired for RIM–PIV: it is straightforward to manufacture, it can be cast easily into a variety of shapes, it is nearly transparent, and it has a refractive index close to that of water (Stein 2010). Its optical properties, density, and elastic modulus can be controlled by chemical composition

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    Ningbo Sinotester Biological Co., Ltd., Experts in Manufacturing and Exporting pH Meter, Refractometer and 2199 more Products. A Verified CN Gold Supplier on Alibaba.com.

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  • www.advmat.de Highly Stretchable, Strain Sensing

    2019-1-8 · Optical properties of step-index, core/clad alginate-polyacrylamide hydrogel fibers. a) The dependence of optical attenuation in hydrogels on the acrylamide (AAm) concentration, averaged over the visible spectrum (400–700 nm). b) The refractive index of alginate-polyacrylamide precursors

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  • RefractiveIndex.INFO - Refractive index database

    Refractive index database [about] Shelf. Book Page. Optical constants of Ag (Silver) Johnson and Christy 1972: n,k 0.188-1.94 µm. Wavelength: µm (0.1879 – 1.9370) Complex ...

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  • Cas 9003-05-8,Polyacrylamide | lookchem

    Lookchem Provide Cas No.9003-05-8 Basic information: Properties,Safety Data,Sds and Other Datebase. We also Provide Trading Suppliers & Manufacture for 9003-05-8 Polyacrylamide.

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  • Rapid Synthesis of Well-Defined Polyacrylamide by

    2015-9-10 · Infinity 1260 MDS instrument equipped with a differential refractive index (DRI), light scattering (LS), and viscometry (VS) and UV detectors. The column set used were Agilent PL aquagel OH30 * 2 and a 5 μm Aquagel guard column. The mobile phase used was 0.1 M NaNO 3. Column oven and detector temperatures were regulated to 35

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  • Measurement of Young’s Modulus of Polyacrylamide Gel

    2011-6-6 · 0 is the refractive index of the air (=1), n g is the refractive index of the gel, d is the thickness of the gel. ∆L is the deformation of the gel. The refractive index of gel (n g) is measured with the Reichert Abbe Mark II PLUS ABBE Refractometer to be 1.65 g n =, so that the deformation is 0 …

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  • TEMED - Thermo Fisher Scientific

    2020-11-9 · High‐refractive‐index salt, LiBr, is introduced to the hydrogel core to enable long‐range light propagation with a low loss coefficient ( 0.32 dB cm −1), and the dissimilar yet tightly adhered hydrogel–elastomer interface is readily deformable, contributing to the

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    Refractive index n20D2 APAG-GL-006 : 1988 1.4731 min 1.4737 Glycerine content %1 APAG-GL-009 : 1988 99.5 min 99.8 Colour APHA1 ASTM D1209 : 1993 10 max 2.5 Fatty acids & esters 1 (ml 0.5N NaOH/50g) USP XXllI : 1995 1.0 max 0.14 USP XXllI 0.01

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