Listed below are the high quality products offered by PhycoTech. These include 3 different designs of counting chambers and a reference image collection especially compiled for teaching purposes.To place an order please click one of the following links:
For shipping within the United States: |
For shipping OUTSIDE of the United States: |
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Both Domestic and International Customers: Once you have completed the Order Form, please fax to 1.866.728.5579
Both order forms require Adobe Reader 
| Sedgwick Rafter Cells | Nannoplankton Chamber | Micro-Organism Reference Library | HPMA |
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| PhycoTech Sedgwick-Rafter Cells |
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The The PhycoTech Sedgwick-Rafter Counting Cell is an improvement on the original design using a non-corrodable ceramic rectangular frame. Now with an etched bottom grid! The Sedgwick-Rafter Counting Cell is a standard counting cell designed for counting larger plankton on a compound microscope (up to 200x) or on an inverted microscope(higher magnifications possible). The cell volume is exactly 1.0 mL and consists of a ceramic rectangular frame mounted on a 1" x 3" glass slide. Cell dimensions are 50 x 20 x 1 mm (1.97" x 0.7870" x 0.04"). Includes two cover glasses in a plastic Snap-Lock case. Comes Plain or Gridded.
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The PhycoTech Sedgwick-Rafter Counting Cell is a standard counting cell designed for counting larger plankton on a compound microscope (up to 200x) or on an inverted microscope (higher magnifications possible). The cell volume is exactly 1.0 mL and consists of a ceramic rectangular frame mounted on a 1" x 3" glass slide. Cell dimensions are 50 x 20 x 1 mm (1.97" x 0.7870" x 0.04"). Includes two cover glasses in a plastic Snap-Lock case. |
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Item Number |
Item Description |
Price |
P-0042 |
Sedgwick Rafter Cell |
$95.00 |
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The PhycoTech Sedgwick-Rafter Counting Cell is improved with a bottom grid! Description is same as above with a 5 mm x 5 mm etched grid. Also includes two cover glasses in a plastic Snap-Lock case. |
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Item Number |
Item Description |
Price |
P-0042G |
Sedgwick Rafter Cell with Grid |
$160.00 |
The PhycoTech nannoplankton counting chamber is redesigned after the Palmer-Maloney counting chamber, and is used to hold a known volume of sample for quantitative counting of cells with a microscope. The PhycoTech nannoplankton counting chamber is fashioned after the Palmer-Maloney counting cell, and is used to hold a known volume of sample for quantitative counting of cells with a microscope. The PhycoTech nannoplankton counting chamber has several advantages over other cells and hemocytometer: 1) It is thinner, which allows examination and counting of microalgae at higher magnification, 2) larger cells will not be crushed by the weight of the coverslip, as this chamber uses a #1, 22 mm2 coverslip, 3) it is less expensive and easier to use, and 4) it is individually calibrated. It is suitable for counting organisms up to approximately 300 µm in length. It can be used up to 600x using a high, dry objective. Each PhycoTech nannoplankton counting chamber has been individually calibrated and this particular chamber holds exactly 0.08* milliliters (mL). Retain underlined data for future use with this counting chamber. After counting all of the algae in the entire chamber, simply multiply by 12.5* to calculate the number of cells/mL.
A less tedious counting method involves extrapolating from counts on several individual microscope fields. To do this, measure the diameter of the field at a given power with a stage micrometer. Then calculate the area of the field using the formula 3.14159() times the radius squared (radius = 1/2 of the diameter): area = x r2. Use millimeters for all length measurements. To convert this value into volume, multiply by the depth of the chamber, which is calibrated to 0.35* mm for this chamber. The formula for calculating volume is (area) x (depth). Keep in mind that 1000 mm3 is equal to 1 mL.
To use the PhycoTech nannoplankton counting chamber, place a #1, 22 mm2 glass coverslip on the side and leave a small space to add sample as illustrated below. As the sample fills the chamber, it will draw the coverslip over the chamber. Then position the coverslip over the entire opening to seal in the sample. If air bubbles are present, repeat the filling process.
*These instructions are an example of what you'll receive with your chamber the example of numbers are similar to those for each individually calibrated chamber.
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Item Number |
Item Description |
Price |
P-0015 |
Nannoplankton Chamber |
$75.00 |
| PhycoTech Micro-Organism Reference Image Library |
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Micro-Organism Reference Photographic Image Set (over 2600 images), represents 12 freshwater divisions and classes, both algae and zooplankton. The set also includes multiple microscopic enhancements including Bright field, Phase, Nomarski and Epifluorescent shots. All images in low (72 dpi) and high (300 dpi) resolution. Some examples include the following images: Click Here
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Item Number |
Item Description |
Price |
P-0011_CDR |
Micro-Organism Reference DVD |
$275.00 |
| HPMA Mounting Medium |
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Pre-polymerized HPMA mounting resin (125mL will make approximately 450 slides)
No image available |
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Item Number |
Item Description |
Price |
P-0059 |
125 mL Bottle |
$175.00 |
| Charges and Fees All prices shown are in US dollars. Prices are subject to change at any time and without notice. Michigan residents are subject to a 6% state sales tax, unless they have tax-exempt status. PhycoTech, Inc. requires a tax-exempt number and a signature to verify this status. Pre-payment is required with each order. Personal and Corporate checks are accepted. |
| International Orders All International orders must be prepaid. International shipments are subject to individual country requirements and processing these orders may take longer. International customers are responsible for conversion fees, shipping costs, customs charges, and all taxes and duty charges if applicable. |
| Return / Refund Policy Every item we sell is carefully inspected before it is shipped. If merchandise is defective or damaged upon receipt please contact us immediately after your package arrives for a return authorization claim number. All claims MUST be made within 3 days of receipt of order. Shipping charges will not be refunded. Products not damaged are returnable only with prior approval by PhycoTech. Returned products must be in absolutely new and unused condition for a refund, and are subject to a 20% restocking fee which applies to the product cost only. |
| Warranty We offer a one year warranty on all products under normal usage conditions. Please contact us if you experience any problems with our products. |
| Shipping Information We ship via Federal Express. Shipping charges are estimated at the time of order and are subject to change. Shipping via overnight does not guarantee you will receive your product the next day, but is dependant on product stock and availability. We ship your product as soon as possible. However, please allow 3 to 6 weeks for delivery. If you are outside a normal delivery service area, both domestic and international, there is an additional $25 shipping charge. |
| Should you have any questions regarding these policies, please contact us info@phycotech.com |
