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Product Question
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What is the shelf life of pH paper?
The shelf life of Hydrion pH paper is 3 years from the date of manufacture. The color chart is marked with the expiration and lot number for that specific roll. Our pH paper will remain accurate until the expiration date listed.
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How many tests can I get from a roll of paper?
Our "standard" 1/4inch x 15 foot roll will give the user approximately 100-150 tests.
Our "Jumbo" size roll (1/2inch x 50 foot roll) will give the user approximately 250-300 tests.
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What sizes do your Hydrion pH Paper come in?
pH Paper Rolls
"Standard" 1/4 inch wide x 15 feet long
"Mikro Size" 5/32 inch wide x 15 feet long (Packed two rolls per dispenser)
"Jumbo" 1/2 inch x 50 feet long
"Dual Roll Jumbo" 5/32 inch wide x 50 feet long (Packed two rolls per dispenser)
pH Paper Strips
"Standard" "1/4 X 2" -Packed in Carton of ten vials 100strips/vial
"Jumbo" "3/8 X 2" - Packed in Carton of five vials 100 strips/vial
Envelopes
"3/8 X 2" - 15 strips per Envelope; Packed 100 Envelopes/carton
Sheets (Special Packaging with Minimum Orders)
20 inch x 20 inch (minimum order of 100 Sheets)
10 inchx10 inch (minimum order of 200 sheets)
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What are the instructions for using this product?
To find the specific instructions relevant to your product, please check the color chart and box for the accompanying instructions. If you do not have the instructions that came with your product, please go to the product page for that item and click the tab labeled “Product Directions.” If, after reading the directions you still have questions, please contact customer service via email at:
custserv@microessentiallab.com
You may also contact us via:
Telephone: (718) 338-3618
Fax: (718) 692-4491 |
What is the shelf life of products?
We mark our products with expiration dates and lot numbers. These can be found on the color chart or product label.
In general, you can expect the following product shelf life:
Buffers - Unprepared buffers last 5 years. Once prepared, when stored in an airtight container, they last 3-6 weeks. If preserved using our buffer preservative and stored properly, they last up to 3 months.
pH papers - 3 years. The expiration date is marked on the color chart.
pH pencils - 5 years from the date of manufacture.The expiration date is listed on the color chart.
All other products - 2 year shelf life.
Again, please refer to the expiration date listed on the product label or color chart.
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What product do you suggest for urine/saliva?
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What is a buffered solution?
A buffered solution is a solution with adequate dissolved solids to resist pH changes. For example, urine and saliva are considered buffered in their natural state. However, rain water, tap water etc. are considered to be dilute, weakly buffered solutions.
For testing weakly buffered solutions, we recommend our Lo Ion papers
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What does in vitro mean?
In vitro is Latin for “in glass” and refers to procedures conducted outside the body, generally in a test tube.
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What is the minimum order?
The minimum order varies by product. Consult the product page for specifics as to how the product is packaged and any minimums that may apply.
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Do you make a pH paper where the color doesn’t change once the solution starts to dry?
Test papers should be used according to our directions. In general pH test papers should be dipped into the test solutions and immediately matched to the color chart. The use of drying or “used dry” test paper can give incorrect results
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What is the difference between QT-10 and QT-40?
Both kits are designed for the testing of quaternary ammonium based sanitizer solutions. The QT-10 test kit is designed to measure the concentration of 2-chain quaternary ammonium compounds. It has match points at 0-100-200-300-400. QT-40 is designed for 4-chain quaternary ammonium compounds and includes match points at 0-150-200-400-500. If you are unsure which test kit is right for your sanitizer, please contact your chemical provider or email us at custserv@microessentiallab.com. |
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What is the difference between QC-1001 and QK-1000
Both kits are useful for testing high range concentrations of quaternary ammonium compounds. The QC-1001 test kit includes a roll of quat test paper paired with a chart that provides color matches at 0-200-400-600-800-1000 PPM. The double roll Quat Check test kit includes the same roll, but also includes a second roll of test paper and color chart with matches at 0-100-200-300-400 PPM.
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Can I use 334 for medical diagnostics?
Hydrion 334 pH test paper is not intended for medical use.
Because it measures pH in the 4.5 - 7.5 range, it is often used for testing the pH of urine and saliva. However, we recommend our 067 product in the 5.5 - 8.0 pH range for this purpose.
If you are looking for a medical diagnostic pH test, pHizatest(r), available from medical distributors, has been specifically designed for diagnostic use and is FDA listed. |
How to / How do
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How do I test saliva pH?
To test saliva, deposit a small amount of saliva onto a clean spoon or other suitable vessel. Dip the testing paper into the sample for three seconds. Remove. Then compare to the color chart.
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How do I test urine pH?
To test urine: Collect urine in a suitable receptcle. Dip the test paper into urine sample. Shake excess fluid off paper. Then compare to the color chart.
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How can I interpret my results? (Urine/Saliva)
Many homeopathic nutritionists suggest that the optimum pH range of urine and saliva should test within 6.8 to 7.2. To obtain baseline readings, the first urine/saliva of the day should be tested before eating or drinking. However, we strongly recommend that you contact a licensed physician or healthcare practitioner before drawing conclusions about your health based on the use of urine or saliva pH tests.
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When should I test? (Urine/Saliva)
Many in the health and nutrition field recommend testing urine or saliva twice a day, morning and night. To obtain baseline readings, the first urine/saliva of the day should be tested before eating or drinking. For your specific needs, please contact your healthcare practitioner.
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Do you accept purchase orders?
Our website does not accept purchase orders as a means of payment. It will accept a purchase order for tracking purposes. If you wish to pay via purchase order, please contact customer service and one of our representatives will gladly assist you:
custserv@microessentiallab.com
You may also contact us via:
Telephone: (718) 338-3618
Fax: (718) 692-4491 |
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Your QT-10 instructions say that the solution should be pH of 7.5 or lower but I how do I test that with this paper?
Commercially available quaternary ammonium sanitizing solutions are typically in the correct pH range. However, there are some quaternary ammonium sanitizers that are formulated with alkalis that may present with high pH. You may want to test the pH using a pH test paper, such as out cat #93 which measures pH between 0 and 13.
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How do I prepare buffers using a buffer capsule?
Measure 100 ml of distilled water into a clean vessel. Open the capsule and add the contents to the vessel. Mix until completely dissolved. Add 3 drops of Hydrion Color Key Buffer Preservative if desired.
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How do I prepare buffers using a Chemvelope?
Measure 500 ml of distilled water into a clean vessel. Open the Chemvelope and add the contents to the vessel. Mix until completely dissolved. Add 15 drops of Hydrion Color Key Buffer Preservative if desired.
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How do I use the "Dip and Read" pH Test Papers?
Dip test paper into the test solution or wet the strip by contact with the test material.
Remove the test strip immediately and compare the color of the strip to the color chart on the dispenser. The number associated with the color is the pH reading.
Hydrion "Dip and Read" test papers work best with buffered solutions. Unbuffered solutions (i.e. tap water, rain water, etc.) should be tested with our lo ion kits.
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Discounts / Distributors
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Is there discount pricing for health providers?
Micro Essential Laboratory, Inc. does not have a program specifically for health providers. However, we do offer discounts to qualified distributors, and resellers. If you believe you qualify, please feel free to contact customer service via email at:
custserv@microessentiallab.com
You may also contact us via:
Telephone: (718) 338-3618
Fax: (718) 692-4491 |
Do you offer any discounts?
Micro Essential Laboratory, Inc. offers discounts to qualified distributors, and resellers. For specific pricing, or additional information on our discount structure, please contact customer service via email at:
custserv@microessentiallab.com
You may also contact us via:
Telephone: (718) 338-3618
Fax: (718) 692-4491
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How can I become a distributor?
Please click on Become A Distributor on our home page. Then fill out and submit the distributor information form and we will contact you shortly.
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What are the benefits of being a distributor?
Micro Essential Laboratory, Inc. offers volume discounts to distributors. In addition, our distributors are assured of extraordinary customer service from a dedicated account service team.
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Are there discounts only available for distributors?
Micro Essential Laboratory, Inc. offers discounts to distributors, and resellers. For specific pricing, or additional information on our discount structure, please contact customer service via email at:
custserv@microessentiallab.com
You may also contact us via:
Telephone: (718) 338-3618
Fax: (718) 692-4491
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Do you do custom printing?
We can custom print your logo and copy on color charts and other materials with a minimum order of 500 units. If you are interested in customized product, please contact customer service via email at:
custserv@microessentiallab.com
You may also contact us via:
Telephone: (718) 338-3618
Fax: (718) 692-4491
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What forms of payment do you accept?
Customers on our website can pay with Visa, Mastercard, American Express, Discover Card, or Diner’s Club cards.
If you are a corporate customer or distributor, feel free to contact customer service for other payment options including wire transfers and checks. Please contact customer service via email at:
custserv@microessentiallab.com
You may also contact us via:
Telephone: (718) 338-3618
Fax: (718) 692-4491
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When will my card be charged?
Credit card orders are charged when we begin the process of fulfilling your order. Generally shipping and charging the credit card occur on the same day.
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Will I see the discounts applied to my on-line order?
If you are using a coupon code, the discount will be displayed on the confirmation page prior to checkout.
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Why don’t I notice the price being adjusted even though I entered your web code?
If you are using a coupon code, the discount will be displayed on the confirmation page prior to checkout.
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Why don’t I notice the shipping being removed from my order even though I entered your web code?
If you are using a coupon code, the discount will be displayed on the confirmation page prior to checkout.
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Technical
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Why is the color of the pH paper different from my last purchase?
The original color of the pH paper may vary from lot to lot. The base color variation has no effect on the color reaction and pH measurement. All Hydrion products are manufactured with strict quality controls and provide accurate results. If at any time you are dissatisfied with our product please contact us for a return authorization.
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How accurate are Hydrion pH papers?
Our wide range pH papers (measurement at each full pH unit) are accurate to ± 0 .5 pH unit.
Our short range pH papers (measurement at each one-half pH unit) are accurate to ± 0.25 pH unit.
Our MicroFine pH papers (measurement at .2 to .3 pH units) are accurate to ± 0.2 pH units.
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How do I request MSDS sheet(s) if it is not posted on your website?
Please contact customer service or technical service via email at:
custserv@microessentiallab.com
You may also contact us via:
Telephone: (718) 338-3618
Fax: (718) 692-4491 |
How can I obtain a certificate of analysis?
Please contact customer service or technical service via email at:
custserv@microessentiallab.com
You may also contact us via:
Telephone: (718) 338-3618
Fax: (718) 692-4491
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Do you have replacement charts?
We do sell replacement charts for dispensers. If you need replacement color charts, please contact customer service and have your item number ready. We will be happy to assist you. Please contact customer service via email at:
custserv@microessentiallab.com
You may also contact us via:
Telephone: (718) 338-3618
Fax: (718) 692-4491 |
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Are the color charts interchangeable?
Color charts are NOT interchangeable. To ensure accuracy, we calibrate our color charts especially for each lot of paper we produce.
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Can you email me a color chart?
To ensure accuracy, our color charts are specially calibrated for each lot of paper we produce. In order to assure appropriate calibration, we do not offer digitally generated color charts.
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Do you have test paper for Peracetic acid (a chemical in the organic peroxide family)?
Yes, our PAA160 test paper measures the concentration of PAA with match points at 0-10-30-60-80-160 ppm.
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Do you have a chlorine tester above 200 ppm?
Yes, our CH-1000 chlorine test strip measures concentrations up to 1,000 ppm.
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Can I use your pencil on dry concrete walls?
The pH pencil is an excellent means of measuring the pH of concrete walls. To accurately measure the pH of the surface, wet the surface with distilled water, then mark with the pencil. Wait 15 seconds and compare with the color chart.
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How long is the buffer solution good for once it is mixed with the preservative?
A properly prepared buffer solution with the addition of our Buffer Preservative will last for three months. The solution should be stored in a sealed container.
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What is the shelf life of the dry buffer powder?
The shelf life for the dry Buffer Powder is marked on the buffer label attached to the buffer vial or Chemvelope. Generally, the buffer powder will remain stable for five years from date of purchase.
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How long is a prepared Buffer Solution good once it is mixed without Hydrion Color Key Buffer Preservative?
Hydrion prepared Buffer solutions are good for three weeks when stored in a clean air-tight vessel. Clear solutions should be replaced if any mold or particles appear. Hydrion Buffer solutions can last three months with the addition of our Hydrion Color Key Buffer Preservative.
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What amount of chlorine should be added to a 3 compartment sink?
Chlorine sanitizer should be added to the sink until the chlorine concentration reaches 100 ppm. Assuming that you are using standard commercial bleach like Clorox, add ½ cup to 5 gallons of water. Be sure to check the resulting solution with a test strip to ensure that you have reached a concentration of100 ppm of chlorine. Consult your sanitizer supplier for specific instructions.
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What are the molarities of the buffers?
Buffer pH Molarity
2.0 .0700 M
3.0 .0500 M
4.0 .0500 M
5.0 .0390 M
6.0 .0400 M
7.0 .0500 M
8.0 .0386 M
9.0 .0400 M
10.0 .0500 M
11.0 .0300 M
12.0 .0330 M
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Can I use Hydrion pH Paper to test the pH of NaCL solutions?
pH paper will not work well in NaCL solutions. The salt will "hold back" the pH indicator dyes and pH readings will most likely be inaccurate.
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How should Hydrion Test Papers be stored?
Hydrion Test Papers should be stored in dry locations and should be protected from sunlight.
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