Zinc sulphate flotation ppt

PPT – Medical Parasitology Lab. PowerPoint presentation

Flotation method ; Saturated Salt Solution technique ; Sheathers Sugar Centrifugal Flotation technique ; Zinc Sulphate Centrifugal Flotation technique; Raed Z. Ahmed, Medical Parasitology Lab.,2012. 3 Flotation technique. These method use the high specific gravity of a solution to float the lighter ova and cyst. They can be improved by

use of sulfide sodium in lead zinc flotation powerpoint

Silver Lead Zinc Ore Processing Method using Flotation. Infrared reference spectra are presented of compounds of importance in lead sulfide flotation research Included are the spectra of several short chain alkyl The mining industry employs it as an activator in the concentration by froth flotation of lead zinc some of the many uses of copper sulphate are listedSilver Lead Zinc Ore Processing

Flotation Technique for Fecal Parasite Concentration

3. Resuspend and thoroughly mix the sediment in 12ml of zinc sulphate solution (specific gravity, 1.18 to 1.20, as verified with a hydrometer). 4. Centrifuge for one minute at 2500 rpm. Place tube in a rack in a vertical position and slowly add enough zinc sulphate with a dropper pipette to fill the tube so that an inverted meniscus forms. 5

Effect of Copper Sulfate on Zinc Sphalerite Flotation

Oct 02, 2016 As an example of the beneficial effect of copper sulfate in the activation of zinc sphalerite toward flotation, the series of results shown in Fig. 1 is of interest.These represent rougher tests on a sample of heavy pyritic ore. The particular sample in question contained about 5.6% zinc as marmatite; and was treated in a circuit made alkaline with lime, using pine oil as a frother and

Zinc Sulfate - an overview | ScienceDirect Topics

In Canine and Feline Gastroenterology, 2013. Examination for Protozoa Coccidia. Oocysts are best detected by fecal flotation methods. Giardia. Zinc sulfate flotation in the hands of an experienced technician remains the diagnostic method of choice. A commercially available ELISA can be used to detect Giardia antigen in feces and may be more sensitive. PCR is also likely to be more sensitive

Lead-Zinc ores - Danafloat

The established lead-zinc ore flotation processing scheme is to add zinc sulphate (ZnSO4) to the grind to control metal ion activation (sphalerite depression). Often metabisulphide or other sulphidation chemicals are added with the zinc sulphate for iron sulphide mineral depression

Fecal Flotation Medium Containing Zinc Sulfate

Fecal Flotation Medium Containing Zinc Sulfate For Use With: Flotation Techniques of Fecal Analysis Product Details Description. OvaSol is a premeasured amount of zinc sulfate in a gallon container that once reconstituted with water will yield a flotation solution with a specific gravity of 1.18

Silver Lead Zinc Ore Processing Method using Flotation

Apr 20, 2016 A Selective Mineral Jig and a “Sub-A” Unit Flotation Cell operating in a ball mill-classifier circuit. Pb and Zn Flotation Reagents. Soda ash and zinc sulphate are fed to the ball mill by means of Cone Type Dry Reagent Feeders. Cyanide, sodium sulphite, MIBC frother and xanthate (Z-3) are fed to the grinding circuit and lead flotation

JCDR - Concentration techniques, Simple salt floatation

Concentration techniques like simple slat flotation, Zinc sulphate centrifugal floatation, formol-ether concentration and modified formol-ether concentration. Results: The prevalence of the intestinal parasitic infections was higher in the rural population. A male predominance was noted (33.29%) in

McMaster Method - WPMU DEV

Magnesium sulfate – Epsom salts [Also, can use Zinc Sulfate, can purchase solution at sp.g. = 1.18] If make your own, requires determination of specific gravity – can set between 1.0 and 1.3 Protects the thinner shelled objects from dehydration Has the advantage that can adjust the specific gravity Sugar – Saturated Sucrose

lab diagnosis of parasitic diseases.ppt - Laboratory

Zinc sulphate centrifugation floatation (cyst, nematodes). • Sedimentation ( solution of low specific gravity ): formol ether Egg count in 1 gram 27 3 gm stool and 42 ml water 0.15 ml on slid Multiply result in 100 Number in 1 gm Stoll’s technique for counting helminth egg 28

Centrifuge Fecal Protocal - Jorgensen Laboratories

Title: Microsoft Word - Centrifuge Fecal Protocal.docx Created Date: 5/2/2017 6:05:29 PM

SPECIMEN COLLECTION AND PROCESSING Flashcards | Quizlet

Zinc Sulfate Flotation Technique. Is also based on differences in specific gravity (1.18 - 1.20) between the sample debris, which in this case is heavy and sinks to the bottom of the test tube and potential parasites which are lighter and float toward the top of the tube

Zinc - Islamic University of Gaza

Zinc Sulphate centrifugal flotation technique. Transfer about 0.5 teaspoon of stool to a test tube containing 1-2 ml of water and comminute thoroughly then fill the tube to within 2-3 mm of the top with water. Centrifuge at 1500 rpm for 1 mint. Discard supernatant fluid

Zinc Sulphate method

Zinc sulphate centrifugal flotation technique is useful for the recovery of protozoan cysts and helminthes eggs. Disadvantages: Large trematode eggs, some tape worm eggs, and infertile. Ascaris lumbricoides. eggs are not concentrated by this method. Raed Z

Concentration techniques for feacal examination

Nov 19, 2013 Sugar flotation Cyst 34. Reagent Zinc sulfate solution (sp.gr.1.180) - ZnSO47H2O - Water Zinc 331 sulfate g 1,125 ml 35. Feces Method g+ ml ml centrifuge surface film rpm 2 zinc sulfate solution 1 ml zinc sulfate tube sediment centrifuge rpm 1 36. wire loop ~ 5 mm suspension loop 2-3 loop cover glass slide 37

CDC - DPDx - Diagnostic Procedures - Stool Specimens

They are divided into flotation techniques and sedimentation techniques. Flotation techniques (most frequently used: zinc sulfate or Sheather’s sugar) use solutions which have higher specific gravity than the organisms to be floated so that the organisms rise to the top and the debris sinks to the bottom. The main advantage of this technique is to produce a cleaner material than the sedimentation technique

1 Froth Flotation – Fundamental Principles

Figure 1: The flotation system includes many interrelated components, and changes in one area will produce compensating effects in other areas (Klimpel, 1995) Froth flotation is a good example of an engineering “system”, in that the various important parameters are highly inter-related, as

Fecal Flotation Procedures - Jorgensen Laboratories

Fecal Flotation Techniques 1. Swinging Head Centrifuge Standard Qualitative Fecal: 1. Weigh out (estimate) 2 or 5 grams of feces. 2. Mix with 10ml of sugar solution. 3. Pour through tea strainer into a beaker/fecal cup. 4. Pour solution from beaker/fecal cup into 12ml or 15ml centrifuge tube. (depending on the size the centrifuges uses). 5

Flotation techniques (FLOTAC and mini-FLOTAC) for

Nov 23, 2017 We suggest the use of zinc sulfate (SG = 1.35) for the detection of trematode eggs is the best option. For the detection of trematodes such as Controrchis spp., some authors use sedimentation techniques [ 12 , 34 ], however, our results and those of previous studies [ 24 , 35 ] showed that the flotation of this group of parasites can be achieved with FSs that have a high specific gravity