Another great place to shop for Precision Lab products is Amazon. They have more than just books!
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American Weigh DIA20 Digital Carat Scale, 100 by 0.005 CT
List Price: $39.95
Sale Price: $16.00
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Four different weighing units
(g, ct, dwt, gn,)
Includes tweezers, (2) 10g calibration weights, and carrying case
Capacity 20g / 100ct / 308.8gn / 12.86dwt
Readability
0.001g / 0.005ct / 0.02gn / 0...
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PanaVise Model 201 "Junior" Miniature Vise
List Price: $27.99
Sale Price: $22.50
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The PanaVise 201 "Junior" miniature vise is a combination of quality workmanship and durability, ease of adjustment and available accessories. Designed for use in small projects requiring precise soldering, gluing and tool work, the 201 Junior miniature vise features tilt adjustability up to 210-degrees along with 360-degree turns and rotations, fine and course clamping abilities, grooved jaws for easy holding power, heat-tolerant jaws, compatibility with other vise components and more...
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SE Table Magnifier Lamp - 5X - Fluorescent Light (Black)
List Price: $24.95
Sale Price: $13.50
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This lamp is a terrific accessory for the craftsman, hobbyist, mechanic and jeweler. It puts shadow-free lighting around a 3½ in. diameter, 5 power lens to let you see small parts and fine details, and is excellent for precision work...
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Donegan OptiVISOR
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The Donegan OptiVISOR is a hands-free, headband binocular magnifier that has optical glass lenses that are ground and polished into prismatic lenses for quality and clarity, and is available in multiple dioptric strengths (indicated by the number in the model) which provide specific magnification power (X) at specific focal lengths, or distance from object...
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Gray Away Root Concealer Black Dark Brown
List Price: $9.98
Sale Price: $9.98
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Root concealer. Precision Gray Away color matching, mineral pigment root concealer spray uses emollients to stick to gray hair in seconds, instantly restoring it back to its natural color between hair coloring sessions without the use of dyes, ammonia, peroxide or harsh chemicals...
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Creative GigaWorks T20 Series II 2.0 Multimedia Speaker System with BasXPort Technology
List Price: $99.99
Sale Price: $64.99
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Creative takes speaker design a step further with the GigaWorks T20 series II. Based on its award-winning predecessor, this new two-piece system, with its glossy black finish, has been carefully refined to enhance its visual appeal and acoustic capability, delivering a level of performance that''s truly amazing...
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Verbatim DVD+R 4.7GB 16x LightScribe 30pk Spindle
List Price: $39.99
Sale Price: $11.95
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LightScribe Direct Disc Labeling is a new technology that offers consumers and businesses a simple, no-hassle way to burn professional, silkscreen-quality labels on their DVDs. Using the same laser that burns data in their disc drives, customers burn their data as always, flip the disc over, reinsert it into the drive and burn a precise and permanent iridescent label.
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Verbatim 96432 4.7 GB 16x LightScribe Color Recordable Discs DVD+R, 25-Disc Spindle
List Price: $29.00
Sale Price: $13.95
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LightScribe Direct Disc Labeling is a technology that offers consumers and businesses a simple, no-hassle way to burn professional, silkscreen-quality labels on their DVDs. Using the same laser that burns data in their disc drives, customers burn their data as always, flip the disc over, reinsert it into the drive and burn a precise and permanent iridescent label.
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Here are some more information for Precision Lab:

Understanding Labrador Retrievers - Why a Lab May Be the Wrong Dog For You
Labrador Retrievers are extraordinarily animals. In other words, they have to be in tune with their owners in order to follow specific guidelines. The way to understanding this is to delve deeper at what Labs were bred to do, and that is to hunt and retrieve.
Think of it this way, these dogs must be in good harmony with their hunter/owner in order to follow precise guidance to track and fine birds that have fallen to the ground and out of sight. This need for a dog to have direction carries over to all aspects of a Labrador's life - even at home.
This breed is perfect for people who enjoy and need constant canine companionship. On the other, it is bad for dog owners who have a Labrador Retriever but expect the animal to entertain itself with very little interaction from the owner.
There are hunting dogs that were actually bred to be independent hunters with hardly any interaction and guidance from people. Good examples of these types of dogs are Terriers and Hounds, which lead the way by use of their senses (by smell and sight) with the hunter determined to keep up with the dog's pace.
Labs are created to retrieve, and in doing so they must have a connected attention link directly to the hunter. If a retriever does not adhere to the hunter's commands then they may hit the water and swim far past where a squirrel has fallen, and possibly keep swimming out and away.
Well trained Labs do not make mistakes like this because they have the innate ability to attend to and follow specific directions from the hunter. This skill is absolutely crucial to being a dependable retriever and is one of the reasons that these dogs make great service animals and obedience trainees.
Why Many Labs Do Not Work Well With Some Families
I'm sure that you probably understand by now just how connected and dependent a Labrador Retriever becomes to its owners. It is always looking to people for leadership and must have interaction with people.
Every dog breed is companionable to some extent, some more than others, but Labs need a lot more attention than most dogs. They do not survive very well when left alone for long periods of time, whether within the home our outside. Many families who are away for long periods of time and come home and discovers that their Lab has ram shackled a side door or window trying to escape does not understand why how this could be happening.
These owners are understandably frustrated and then yell at their Labs. A well educated Lab owner will never react in this way because they know the reason why. The reason is that what causes a Lab to try to escape like this is because they want to search out and find its owners. They are under the impression that their "pack" missing and make an attempt to find them on the outside.
One lesson to take away from this information, especially if you have not yet decided on what type of dog to own and are considering a Labrador Retriever, is understand that you have to devote your Lab, regularly. If you neglect spending time with your dog, you should consider getting a more independent dog breed. Or else, your Lab may soon become extremely unhappy and will end up a very violent house pet, or even a runaway.
About the Author
Article by Kelly Marshall from
Oh My Dog Supplies
- to find ceramic dog bowls to match any decor, go to
http://www.ohmydogsupplies.com/dog-supplies/dog-bowls/
titration lab question! I'll give 10 points to the person that answers it!!?
In my lab, they are providing me with a 2.0 M of sodium hydroxide solution and they are telling me to dilute the standardized sodium hydroxide solution 1:10 so that its molarity remains with great precision. Let's say I take 25 mL of NaOH. Now because I have to dilute it 1:10 does that mean that I have to take 25 mL of sodium Hydroxide and dilute it till 250 mL? But doesn't the molarity change to 0.2 M ? (because of the 1:10 ratio?) I don't quite understand that part very well! Can someone please explain me step by step how to do it exactly
ok what they mean is that when you dilute 1/10..if the previous molarity is indeed accurately known to be 2M then if you dilute 25 mL( obtain this sample using a volumetric pipette ( to deliver 25mL +/- 1% ). and dilute to 250 mL total volums in a 250 mL volumetric flask then you have accurately diluted ( within 1% error ) the stock 2 M NaOH to 0.2 M.
Normal glassware like graduated cylinders and graduated beakers of Erlenmeyer flasks only have an accuracy at best of +/- 5 %.Actually it is easier to just dilute 1/10 using regular glassware then standardize the new NaOH solution against standard potassium acid phthalate
Northrop Grumman Begins Installing First EHF Satcom Hardware on B-2
EDWARDS AFB, Calif. | Northrop Grumman Corporation (NYSE:NOC) technicians here have begun installing the first set of hardware for a B-2 stealth bomber upgrade that will eventually allow the jet to...
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