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 Water analysis >
Calibration solutions
  > Printable version
pH 4.01
Excellent Choice Hanna's Buffer solutions are made from established formulas and are standardized with a pH meter that is calibrated to NBS/NIST primary standard buffer solutions. The 20 mL sachets are ideal for infrequent calibrations while for heavy-duty applications, you can choose from the popular 230 mL, 1 liter or 1 gallon containers. Now the pH 4 buffers carry lot #, expiry date as well as pH/°C chart on every bottle. HI 7004L/C and HI 8004L/C are also supplied with an analysis certificate.
NIST Traceability The ingredients of Hanna pH 4 buffers are Potassium Hydrogen Phthalate. They are standardized using a pH meter calibrated by primary standard buffer solutions (NIST 186 Ie, NIST 186 IIe and NIST 185g S.R.M.). The pH value is certified traceable to NIST 185g S.R.M.

pH 7.01
Wide Range pH 7 is the most frequently used pH buffer. As a result we've provided a wide range of solutions to suit every application. Whether you prefer to have your buffer in small disposable 20 mL sachets or need a much larger volume, you need to look no further. You can save money by ordering 16 x 230 mL or 12 x 460 mL bottles which come in a case specially made to keep buffers protected from direct light. All Hanna solution bottles come with a pH Vs. Temperature chart together with the production lot # and expiration date to guarantee maximum accuracy. HI 7007L/C and HI 8007L/C are supplied with an analysis certificate.
Formulation Hanna pH buffers are made of Potassium Dihydrogen Phosphate and Disodium Hydrogen Phosphate and are standardized with a pH meter that is calibrated to NIST primary standard buffer solutions (NIST 186Ie & 186IIe and NIST 158g S.R.M.).
FDA Approved Material To ensure utmost reliability use Hanna FDA approved amber bottles which stop light from interfering with the solutions' balanced value.

pH 10.01
Ready-Made Choose from a wide range of pH buffers in different sizes, transparent or color-coded for easy recognition. You can also obtain these new alkaline solutions in specially designed cases of 16 x 230 mL or 12 x 460 mL bottles for better safety and storage. The HI 7010L/C and HI 8010L/C are now supplied with a certificate of analysis.
NIST Traceability Hanna pH 10 ingredients are carefully weighted with the highest quality Sodium Bicarbonate and Sodium Carbonate. They are standardized with a pH meter that is calibrated to NBS/NIST primary standard buffer solutions and the pH value is traceable to NIST 191a and NIST 192a S.R.M.
FDA Approved Material FDA-approved opaque bottles of HI 8010 series of Hanna buffers stop light from interfering with the solutions' carefully balanced value.

Electrode Cleaning Solutions

Clean the liquid junction of your electrodes once a day or at least once a week to prevent clogging and to maintain accuracy.


Storage Solutions

Hanna storage solutions are prepared with high grade Potassium Chloride and Potassium Hydrogen Phthalate by titration with NIST 2201 standardized Silver Nitrate and NIST 84j standardized Sodium Hydroxide Solution, respectively.


ITEM
DESCRIPTION
CAD PRICE
EASY ORDER
 Buffer Solution
PA-70004P
Buffer solution pH 4.01, 20 ml (25)
25.00 $
PA-7004
Buffer solution pH 4.01, 250 ml
9.00 $
PA-70007P
Buffer solution pH 7.01, 20 ml (25)
25.00 $
PA-7007
Buffer solution pH 7.01, 250 ml
9.00 $
PA-7007L
Buffer solution pH 7.01, 500 ml
12.00 $
PA-70010P
Buffer solution pH 10.01, 20 ml (25)
25.00 $
PA-7010
Buffer solution pH 10.01, 250 ml
9.00 $
PA-7010L
Buffer solution pH 10.01, 500 ml
12.00 $
 Zero oxygen solution
PA-7040M
Zero oxygen solution, 230mL
12.00 $
PA-7040L
Zero oxygen solution, 460mL
19.00 $
 Storage Solution
PA-70300M
pH storage solution, 230 mL
11.00 $
PA-70300L
pH storage solution, 460 mL
14.00 $
 Cleaning solution
PA-7061M
Cleaning solution (general), 230 mL solution
14.00 $
PA-7061L
Cleaning solution (general), 460 mL solution
11.00 $
Last Update: May 9, 2006
Prices are in canadian dollars and can change without notice.

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