Science & Laboratory - Page 3 - Recent Questions, Troubleshooting & Support


Choosing the right laboratory for conducting various tests and analyses can be a tricky affair. If there is any discrepancy in readings, it can be cause quote a stir. Thus, it is imperative that the staff operating the equipment of the laboratory must be expertly trained. The equipment itself must be top notch in quality. LiveScanLabs has managed to meet all this criteria. They have centers in Hialeah, Hollywood, Fort Lauderdale, Pembroke Park and Pembroke Pines. They conduct Fingerprint Analysis, Fingerprint Testing, **** Analysis, **** Testing, DNA Analysis, DNA Testing and regular health tests as well. Visit their website at www.livescanlabs.com.

Science &... | Answered on Mar 03, 2018


By convention solvent A is the aqueous solvent and solvent B is the organic one, so the designation seems to be right. The baseline does not always raise with the increasing amount of solvent B, it depends how steep is the gradient.

Varian Prostar... | Answered on Feb 28, 2018


Something is too close to the coil wire , CAbles(steering and throttle ) either up front or on the engine do flex when moved.Checkthe movement and operating clearnces at both full and idle positions. All tests can and should be done with engine off, due to Dangerous prop exposure. Good Luck and I would like it if you tell me what you ultimately find. _Ned_

Mercury Marine... | Answered on Feb 17, 2018


There are many ventors and online vendor website where you can buy research chemicals. One of the best website for buying any type of Chemical research is Benzo Chemicals.
They offer all type of original research chemical in the best wholesale price. They provide in best cheapest price because they supply products direct from the factory.
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Allergy Research... | Answered on Feb 09, 2018


One has to have a compatible operating system with the correct driver, Your computer operating system must be set for reading the USB port as a video device, f you are able to read any data from the scope you should also check firmware version against the manufacturer's latest revision. Also suggest you download the operator's manual from the manufacturer's site.

Digital Blue QX5... | Answered on Feb 03, 2018


Olympus makes good microscopes so you have done well and stereo microscopes are so much nicer to use than singles. As far as cleaning the lenses goes, buy a good quality camera lens blower brush and also a can of compressed air like the ones used for computers. Blow any loose dust hairs etc off with the can of air and then use the brush for anything remaining. If there are fingerprints or grease on the lenses then clean them using camera lens cleaning fluid and lens tissue but make sure all debris and dust are removed first or you may scratch the lenses. In general try not to use anything more than air and a brush unless absolutely necessary. Another option for removing fingerprints etc is to use a "lens pen" with caution. The ones sold for cameras work well but may be too large. They make some smaller ones for cleaning camera sensors and those might work better for the relatively small microscope lenses or just cut the regular lens pen disk to make it smaller. It is just as important to make sure the lens is dust/debris free when using the lens pens.
Low power stereo microscopes often allow you to put on a single magnifier lens in front of the main objectives to increase magnification. Do a bit of searching to find what are options for your model.

Olympus Science... | Answered on Jan 18, 2018


Have you seen this video with advice?

http://www.benchfly.com/video/41/removing-a-stuck-centrifuge-rotor/

Another tip is to cool the rotor down (either by getting the refrigeration to kick in if it is a refrigerated centrifuge) or perhaps by filling the the rotor with tubes full of ice-water (or something colder...). Everything will shrink slightly, which means the rotor will become a slightly looser fit on the shaft.

Sorvall Science... | Answered on Jan 17, 2018


Are you sure that the lid safety interlock switch isn't damaged/dirty? If the centrifuge can't detect that the lid is closed it will never start. Sometime it just needs an extra push down on the lid.

Science &... | Answered on Jan 17, 2018


It sounds like either the bulb is loose or the connection between the bulb socket and a wire is loose. To check both, Loosen the screw knob on the underside of microscope and open the panel to expose the bulb. Use a small screwdriver to loosen the screws holding (the two screws closest to the bulb) the prongs of the halogen bulb. Note that the prongs of the bulb are held in place by small brass plates which shift slightly when the screws are loosened. Remove the old bulb. Important: Do not touch the new halogen bulb with bare hands. Wear gloves or hold the bulb using tissue or lens paper. Body oils may damage the halogen bulb. Insert prongs of replacement bulb into top of socket (above the brass plate) and tighten screws slightly. (The brass plates will move up to hold the prongs in place.) Close door and hand tighten the thumbscrew knob.
If this does not work, contact Premier for assistance: Premiere® Microscope Service, 7241 Gabe Court, Manassas, VA 20109 (703) 330-1413

Science &... | Answered on Jan 15, 2018


The error E61 indicates that your water pump has failed or is not active. You should check the pump and replace it if needed. You should also check the steam generator sensor and replace it if needed.

For more information, contact Euronda at Water inlet pump inactive or call (+39) 0445 329811 (Vicenza, Italy)

Science &... | Answered on Jan 15, 2018


If this is a microscope, the part you are referring to is the stage control. You can get the part from C&A Scientific at http://www.cnascientific.com or by calling 703.330.1413

Science &... | Answered on Jan 15, 2018

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