Your Cart

Shopping Cart Items: 0   Sub-Total : US$0.00    View Cart    Checkout
Shopping Cart Items: 0   Sub-Total : US$0.00
Welcome, Guest ( Login )
Celebrating 34 years providing high quality products and advice.
Our Local Time Is 4:07:52 PM.
Call us at 818-786-0600. We are here to help!
Millipore and Barnstead Laboratory Water Filtration Need a New Laboratory Water System?
We have many to choose from. We can save you thousands on
Complete Systems and replacement filters for most brands.
Laboratory Water Systems Laboratory Process Filters Laboratory Equipment Water Treatment

The Three Properties Of Water

Solid, Liquid and Gas

Water is the only substance that naturally occurs on earth in three distinct physical states...solid liquid and gas. Occurring at or below 0oC water becomes a solid crystalline form or phase. In this form it occupies a definite volume.



Over a definite temperature range water exists in its liquid state but this phase has no rigidity nor a particular shape. Water takes on the shape of whatever shape the container happens to have. In addition under pressure water will have a tendency to flow if the pressure is being evenly distributed. Much like its solid phase in this form water occupies a definite volume.



Water in gaseous state neither occupies a definite volume or has rigidity. Unlike the other two phases when in gas form it takes on the exact size and shape of its container.



All three phases are dependent on temperature. In atmospheric pressure and 0oC or below water will become frozen solid. When the temperature rises and is between 0oC and 100oC water will melt and enter the liquid phase. If the temperature is above 100oC water will boil and vaporize and enter the gas phase. In atmospheric pressure the three phases occur in succession as the temperature rises from 0oC to 100oC.It should be noted that one phase does not suddenly replace the other in this process. At the melting and boiling point for a brief time water exists in two phases at once. When melting it is solid and liquid and when boiling it is liquid and gas.

Pressure can also affect the transition temperature of the phases of water. For example at pressures below atmospheric pressure water will boil at less than 100oC. As a result vegetables and other foods will take longer to cook at higher elevations. Less heat is required for water to change from liquid to its vapor or gaseous state when in pressures below atmospheric pressure.

More Information About Water

  
  • Molecular Structure
  • The Three Properties Of Water
  • Sublimation
  • Supercooled Water
  • Heavy Water
  • Properties
  • Heat Capacity
  • Latent Heats
  • Solvent
  • Surface Tension

    • Open To The Public

    Why Use APS??

    Independent Reps Wanted

    Need Live Help?

    Contact Us
    818-786-0600

    Short Lead times.
    Lab Water Deionizer




    P12XL4
    APS Polaris XL 4 Lab Water System

    Retail Price : US$6,499.00
    Todays Price : US$4,650.00



    P2D2-M
    APS Polaris D2 Water System with Quality Meter

    Retail Price : US$2,966.00
    Todays Price : US$2,570.25



    P2D3-M
    APS Polaris D3 Water System with Quality Meter

    Retail Price : US$3,496.94
    Todays Price : US$2,830.20



    P2D1-M
    APS Polaris D1 Water System with Quality Meter

    Retail Price : US$2,118.94
    Todays Price : US$1,761.72
    PreviousNext
    APS Polaris XL 4 Lab Water System
    APS Polaris XL 4 Lab Water System


    TAKING PRE-ORDERS
    Short lead Time. 


    This high capacity four housing lab water system is designed to provide up to 3 l.p.m. of ultrapure water exceeding ASTM and CAP Type I, II or III specifications.

    See all Polaris Systems Here

    PROUDLY MADE IN THE USA


    US$4,650.00 Details
    APS Polaris D2 Water System with Quality Meter
    APS Polaris D2 Water System with Quality Meter

    This dual housing is designed to provide 1 g.p.m. of ultrapure water exceeding ASTM and CAP Type II specifications.  

    Comparable to Barnstead D4521

    Operating Manual

    See all Polaris Systems Here


    PROUDLY MADE IN THE USA

    Dimensions :  18" W X 28" H X 6" D

    US$2,570.25 Details
    APS Polaris D3 Water System with Quality Meter
    APS Polaris D3 Water System with Quality Meter

    This high capacity triple housing is designed to provide 1 g.p.m. of ultrapure water exceeding ASTM and CAP Type II specifications.  

    Operating Manual

    See all Polaris Systems Here


    PROUDLY MADE IN THE USA

    Dimensions : 23" W X 28" H X 6" D

    US$2,830.20 Details
    APS Polaris D1 Water System with Quality Meter
    APS Polaris D1 Water System with Quality Meter

    This compact single housing is designed to provide 1 g.p.m. of ultrapure water exceeding ASTM and CAP Type II specifications.  

    Comparable to Barnstead D4511

    See all Polaris Systems Here


    PROUDLY MADE IN THE USA

    Dimensions : 12" W X 28" H X 6" D

    Operating Manual

    US$1,761.72 Details
    PreviousNext

    Best
    Lab Water System




    50132372
    Barnstead MicroPure UV/UF-ST

    Retail Price : US$7,820.00
    Todays Price : US$6,959.80



    50132373
    Barnstead MicroPure UV

    Retail Price : US$6,750.00
    Todays Price : US$5,737.50
    PreviousNext
    Barnstead MicroPure UV/UF-ST
    Barnstead MicroPure UV/UF-ST

    Barnstead MicroPure Laboratory Water Purification System - Provides Type I Ultrapure Water.

    Systems come with the filters. Does not require a permanent feed source. Portable. Just pour tap or treated water into the internal reservoir to produce ultrapure water. 

    Replacement filters

    This is the replacement for the popular EasyPure UV/UF RF systems.

    Operating Manual

    US$6,959.80 Details
    Barnstead MicroPure UV
    Barnstead MicroPure UV

    Barnstead MicroPure Laboratory Water Purification System - Provides Type I Ultrapure Water.

    Systems come with the filters.

    Replacement filters

    This is the replacement for the popular EasyPure UV LF systems.

    Operating Manual

    US$5,737.50 Details
    PreviousNext

    Top Sellers




    MB1801
    High Purity Mixed Bed Deionizer

    Retail Price : US$221.00
    Todays Price : US$149.80



    GSX28
    O-RING 4.190IDX.139 EPR 50

    Retail Price : US$17.45
    Todays Price : US$14.97



    D0809
    CARTRIDGE ULTRAPURE SPG

    Retail Price : US$214.00
    Todays Price : US$190.46



    Res Care-G
    Pro Res Care Cleaner Chemical Case of 4

    Retail Price : US$152.85
    Todays Price : US$113.22



    CF10D1
    Activated Carbon Filter

    Retail Price : US$25.65
    Todays Price : US$19.04



    SB1801
    High Capacity Dual Bed Cartridge Filter

    Retail Price : US$205.00
    Todays Price : US$143.50



    D50237
    Barnstead Easy Cool Filter - Upflow

    Retail Price : US$97.80
    Todays Price : US$90.95



    HC19H1-D
    IWT 3C0600002 Style High Capacity Filter - Cartridge Universal II

    Retail Price : US$135.06
    Todays Price : US$106.25
    PreviousNext
    High Purity Mixed Bed Deionizer
    High Purity Mixed Bed Deionizer

    Removes ionic contamination from water.

    Comparable to Barnstead D0809 and D5027 Ultra Pure Mixed Bed Filter. vp-17-4010

    US$149.80 Details
    O-RING 4.190IDX.139 EPR 50
    O-RING 4.190IDX.139 EPR 50

    Factory Original - Use with E-pure, B-Pure and Nanopure Quad systems and housings only. 1/pk AKA GSX-28



    US$14.97 Details
    CARTRIDGE ULTRAPURE SPG
    CARTRIDGE ULTRAPURE SPG

    Barnstead Brand Filter
    Comparable to APS Ultra Brand MB1801 filter cartridge, D0808 and vp-17-4010

    US$190.46 Details
    Pro Res Care Cleaner Chemical Case of 4
    Pro Res Care Cleaner Chemical Case of 4

    Case - 4 ea 1 gallon bottles. Same as Res-Up
    Chemical Feeders
    Pro-Res-Care is the pro version Res-Up.
    This item can not be shipped by air freight.

    US$113.22 Details
    Activated Carbon Filter
    Activated Carbon Filter

    Code F, 2.5 inch X 10 inch. Coconut shell carbon block with 10 micron outer wrap. Special Prep 1, for Chlorine removal with low extractable applications - 1/pk
    Filter Housing

    US$19.04 Details
    High Capacity Dual Bed Cartridge Filter
    High Capacity Dual Bed Cartridge Filter

    Reduces dissolved inorganic contamination.

    Comparable to Barnstead D0803 and Harvey AY1273X4 High Capacity Filters.

    US$143.50 Details
    Barnstead Easy Cool Filter - Upflow
    Barnstead Easy Cool Filter - Upflow

    Easy Cool Deionizer Filter - Comparable to APS ULTRA Brand EF06U1

    US$90.95 Details
    IWT 3C0600002 Style High Capacity Filter - Cartridge Universal II
    IWT 3C0600002 Style High Capacity Filter - Cartridge Universal II

    This High Capacity Mixed Bed Deionization Filter is used for the reduction of dissolved minerals. with Color Indicator - Comparable to IWT and US FILTER 3C0600002 and HC200 or HC-200

    US$106.25 Details
    PreviousNext

    Most Popular
    Fume Hoods




    100400040
    4' Protector Premier Laboratory Hood

    Retail Price : US$13,630.00
    Todays Price : US$12,267.00



    100400060
    4' Protector Premier Laboratory Hood

    Retail Price : US$13,630.00
    Todays Price : US$12,267.00



    100400081
    4' Protector Premier Laboratory Hood

    Retail Price : US$17,640.00
    Todays Price : US$15,876.00



    100400091
    4' Protector Premier Laboratory Hood

    Retail Price : US$17,640.00
    Todays Price : US$15,876.00
    PreviousNext
    4' Protector Premier Laboratory Hood
    4' Protector Premier Laboratory Hood

    Labconco Brand Product - with built-in exhaust blower

    US$12,267.00 Details
    4' Protector Premier Laboratory Hood
    4' Protector Premier Laboratory Hood

    Labconco Brand Product - with built-in exhaust blower

    US$12,267.00 Details
    4' Protector Premier Laboratory Hood
    4' Protector Premier Laboratory Hood

    Labconco Brand Product - with built-in exhaust blower and 2 service fixtures, explosion-proof

    US$15,876.00 Details
    4' Protector Premier Laboratory Hood
    4' Protector Premier Laboratory Hood

    Labconco Brand Product - with built-in exhaust blower and 2 service fixtures, explosion-proof

    US$15,876.00 Details
    PreviousNext

    Glassware Washers

    PreviousNext
    PreviousNext

    Best New Product
    Lab Water Reverse Osmosis System

    Lab/Commercial
    Reverse Osmosis System
    Great for Lab Water Pretreatment
    or Great Drinking Water
    Images are representative of the products. Images may or may not be of the actual product. If it is important e-mail us for an actual image if available.

    * Flat Rate UPS shipping when able to ship via UPS and is in the USA excluding Hawaii and Alaska.
    Larger Items may not be able to ship via UPS, in that case freight charges will be quoted seperately.
    International shipping will be quoted after the order is placed. You will have the opportunity to cancel before we finalize your order.

    Terms and conditions
    Credit Application
    Privacy Policy
    Google Apps
    List All Products