Search results with tag "Whatman"
Características de las aguas residuales
cidta.usal.esTara del filtro Whatman (FV/C) = 1,5433 g Residuo en el filtro Whatman (FV/C) tras secado a 105 ºC = 1,5553 g Residuo en el filtro Whatman (FV/C) tras combustión a 550 ºC = 1,5531 g Solución: 1. Determinación de los sólidos totales: 2. Determinación de los sólidos volátiles: 3. Determinación de los sólidos en suspensión: 4.
SUGAR.02- REDUCING SUGARS (Schoorl Method)
corn.orgWhatman No. 1 filter paper, collect filtrate in a clean and dry flask. For corn syrup, dextrins and maltodextrin: Weigh 10.0 g of sample, transfer to a 200-mL Kohlrausch flask, dilute to volume with water, shake for 30 minutes and gravity filter through Whatman No. 1 filter
Manual on Antimicrobial Susceptibility Testing
www.biodiamed.grWhatman filter paper no. 1 is used to prepare discs approximately 6 mm in diameter, which are placed in a Petri dish and sterilized in a hot air oven. The loop used for delivering the antibiotics is made of 20 gauge wire and has a diameter of 2 mm. This delivers 0.005 ml of antibiotics to each disc. Storage of commercial antimicrobial discs
Forensic Detection of Semen I. The Acid Phosphatase Test
courseresources.mit.usf.eduWhatman #3 filter paper was moistened and a cotton-tipped swab containing 25 units of acid phosphatase was pressed to 5 areas of the paper (following the procedure described previously). The same procedure was followed with 17 units of acid phosphatase. SERI ap spot test reagent (fresh, 1 day, 2 days, 3 days, 4 days and 5 days old) was added
Standard Operating Procedure for - Fisher Sci
beta-static.fishersci.comWhatman 934-AH (catalog number: 1827 047) or equivalent 10.2 Filtration apparatus . a. Filter pump b. A 1-L or 4-L receiving flask c. Filter funnel manifold, 3 positions d. Magnetic filter funnels 300 mL e. Vacuum tubing, ¼” inside diameter ... Wet the …
SULFUR DIOXIDE 6004
www.cdc.govb. (Back cassette) cellulose filter (Whatman 40 or equivalent) which has been saturated with fixative solution and dried 20 to 30 min at 100 °C, supported by a porous plastic support pad. 2. Personal sampling pump, 0.5 to 1.5 L/min, with flexible connecting tubing. 3. Vials, glass, 20-mL, screw-cap, such as scintillation vials.** 4.
SAMPLE COLLECTION, HANDLING, AND PRESERVATION
ccal.oregonstate.eduWhatman GF/C filter papers showed that ammonia appeared to be adsorbed in the first 50 ml filtered through the GF/C filters while no adsorption was observed for the membrane filters (Riemann and Shierup 1978). In both cases, it is advisable to remove leachable materials from all filter papers (Eaton et al. 1969) by either soaking them in distilled
Potential of Calamansi (Citrofortunella microcarpa) Fruit ...
www.ijfe.org70% ethanol, storage jars, cheesecloth, Whatman paper number 1, rotary evaporator, distilled water. 3) For induction of streptozotocin Streptozotocin 30 mg/kg per rat was administered It was dissolve in Citrate buffer to attain the pH of 4.5. Twenty tuberculin syringes with 24 …
C4, C44, and C51 Ball Valves for Cryogenic Service
www.flowserve.comWipe Test – All wetted components are wipe tested using Whatman® #44 paper. Helium Leak Test – Valves are dry tested, internally pressurized with 80 psi helium and checked with a helium leak detector (Helium Mass Spectrometer sensitive to 1 x 10-5 cc/sec.). Vacuum Sealed – After all testing has been completed, cryogenic
SDS-PAGE of protein - IIT Guwahati
iitg.ac.inand filter through whatman No1 filter and store in amber bottle at 4°c. (CARE: Acrylamide monomer is a neurotoxin. Take care in handling acrylamide (wear gloves)and avoid breathing). 2. Buffers: a) Separating gel buffer: 1.875M Tris-cl, pH 8.8 b) Stacking gel buffer : 0.6M Tris-Cl. pH 6.8 3. 10% w/v Ammonium persulfate. Make fresh. Store at 4°c.
SEPARATION OF AMINO ACIDS BY PAPER CHROMATOGRAPHY
www.penguinprof.comCAUTION: Wearing gloves, handle the paper (Whatman no. 1) only along the narrow edges. Use paper towels to protect the paper from the desk surface and from your hands. Remember that your skin contains amino acids and therefore you must avoid any contact with the part of the paper to be used in the analysis.
The Gravimetric Determination of Nickel
chemlab.truman.eduWhatman No. 40 filter paper; medium porosity Unknown Ni ore sample Nitric Acid (concentrated) Hydrochloric Acid (concentrated) 20% Tartaric Acid solution (prepared by student) 1:1 Ammonium Hydroxide solution (prepared by student) 1% alcoholic …
How to use the BP - British Pharmacopoeia
www.pharmacopoeia.comThis guide is designed to help you become more familiar with the requirements of the BP, where to locate the ... (Whatman GF/C is suitable), evaporate the filtrate and dry the residue at 60° for 1 hour. The infrared absorption spectrum of the residue, is concordant with the reference spectrum of
Quality Control of Compounded Radiopharmaceuticals
pharmacyce.unm.eduChoices for paper chromatography media include Whatman 3MM or 31ET paper and Gelman Solvent Saturation Pads. Paper media consists of cellulose fibers pressed together. As the mobile phase migrates over the fibers and through the pores, the paper simply behaves as a filter by separating the components of the mixture (radiopharmaceutical).
STANDARD OPERATING PROCEDURE NO. 30 ICP-OES ANALYSIS
geoinfo.nmt.edu• Whatman ashless filters (grade 40) • Polypropylene funnels • Funnel holders • 50-mL graduated centrifuge tubes • 14-mL graduated centrifuge tubes • 60-place plastic centrifuge tube rack • National Institute of Standards and Technology (NIST) Standard Reference Material (SRM) 2780 (Appendix 2), Hard Rock Mine Waste
PM/ IS 513(Pt.1)/1 October 2018 PRODUCT MANUAL FOR …
www.bis.gov.inlitre, (Whatman) filter paper No. 040,Suction Filtration Facility, Filter paper pulp pad,Standard Reference Material (NML) with certificate Potassium Permanganate (KMnO4), Sodium Nitrite (Na2NO3), Ammonium Molybdate [(NH4)2 Mo2O7], Ammonium Phosphate [(NH4)3 PO4], Potassium Nitrate (K2NO3), Phenolphthalein Solution, Rectified
Paper Chromatography of Amino Acids
classes.kvcc.edu1. Obtain a 24 x 15.5 cm rectangle of Whatman No. 1 filter paper. Handle this paper by the top edge only. If the paper is handled carelessly, fingerprints may appear as colored spots on the chromatogram. 2. Place the rectangle on a clean paper towel or piece of paper. 3. About 1.5 cm from the bottom of the paper, pencil a line (DO NOT USE PEN ...
Whatman™ Price List - Whatman Filter Papers, Whatman ...
www.jayscientific.comGeneral Properties of Whatman Filter Papers cytiva.com. cytiva.com Filter Papers WhatmanTM 1. Cat No. Description HSN Code GST % INR Price 1001-6508 Grade 1 Circles 10 mm 500/PK 48232000 18% 5490 1001-0155 Grade 1 Circles 15 mm 500/PK 48232000 18% 5000
Whatman Syringe Filter Collection - Louisiana State …
macro.lsu.educhoose the whatman filter that suits your applications and goals: ... application guide whatman syringe filters — unprecedented performance and choice [4]
Whatman Price Catalog - IIT Kanpur
www.iitk.ac.inFiltration Devices 54 Speciality Products 76 CONTENTS Technical Guide 56 • Syringe filter selection guide • Membrane selection chart • How to select your sample preparation device
Similar queries
Whatman, REDUCING SUGARS Schoorl Method, Filter, Potential of Calamansi Citrofortunella microcarpa, C51 Ball Valves for Cryogenic Service, Nickel, How to use the BP, Guide, Quality Control of Compounded Radiopharmaceuticals, Whatman) filter, Whatman filter, Guide whatman, Whatman Price Catalog, Membrane