Advertisement
Quick Links
Instruction Manual
HI 3886/O
pH 7.5-10.0
Test Kit
SPECIFICATIONS
SPECIFICATIONS
SPECIFICATIONS
SPECIFICATIONS
SPECIFICATIONS
www.hannainst.com
Dear Customer,
Thank you for choosing a Hanna Product.
Please read the instructions carefully before using the chemical
test kit. It will provide you with the necessary information for
a correct use of the kit.
Remove the chemical test kit from the packing material and
examine it carefully to make sure that no damage has
occurred during shipping. If there is any noticeable damage,
notify your Dealer or the nearest Hanna office immediately.
Each kit is supplied with:
• HI 3886-0 pH 7.5-10.0 Reagent, 1 bottle with
dropper (25 mL);
• Dechlorinating Reagent, 1 bottle with dropper (10
mL), to be used in presence of chlorine above 50
ppm
;
• 1 color comparator cube.
Note: Any damaged or defective item must be returned in its
original packing materials.
Specifications
Range
7.5-10.0 as pH unit
Smallest Increment
0.5 as pH unit
Analysis Method
Colorimetric
Sample Size
5 mL
Number of Tests
100
Case Dimensions
115x102x82 mm (4.5x4.0x3.2")
Shipping Weight
150 g (5.3 oz.)
Significance and Use
pH represents acidity or alkalinity of an aqueous solution
and is proportional to the hydrogen-ion concentration of the
solution. Under neutral conditions water is dissociated into
the OH
and H
ions in equal ratio and hence it has a pH of
-
+
7. When bases or acids are added to a water solution they
ionize, increasing the concentration of OH
-
or H
+
, respectively.
Thus solutions with a pH of 1-3 contain strong acids, whereas
those with a pH of 4-6 contain weak acids. Weak bases
result in solutions of pH 8-10 and strong bases in pH of 11-
13.
Examples of pH value for some liquids:
Liquid
Liquid
Liquid
Liquid
Liquid
pH Value
pH Value
pH Value
pH Value
pH Value
sea water
7.8-8.2
gastric juices
1.7
milk
6.5-7
soil
6-7 (optimum for crops)
Chemical Reaction
HI 3886-0 Hanna Reagent reacts in contact with the aqueous
solution changing its color according to the hydrogen-ion
concentration (pH) in the given range.
Instructions
READ THE ENTIRE INSTRUCTIONS BEFORE USING THE KIT
• Note: always shake the HI 3886-0 reagent bottle
before use.
• Fill the color comparator cube
with 5 mL of the sample.
• In case of concentration of chlorine above 50 ppm, add
one drop of the Dechlorinating Reagent to the sample.
Replace the cap and mix by inverting the cube several
times.
• Add 5 drops of HI 3886-0
pH 7.5-10.0 Reagent.
• Replace the cap and mix the
solution by inverting the cube
several times.
• Determine which color best
matches the solution in the
cube and record the result as
pH unit.
• It is better to match the color with a white sheet at about
10 cm behind the color comparator cube.
Note: To measure pH in the 4.0-6.5 range use the HI 3880
pH 4.0-6.5 Test Kit.
To measure pH in the 6.0-8.5 range use the HI 3881
pH 6.0-8.5 Test Kit.
Accessories
HI 3886-010 replacement reagent kit (100 tests)
Referencies
Vogel's
Quantitative Chemical Analysis
5th Ed.
Longman Scientific & Technical.
Safety Data Sheets
The chemicals contained in this kit may be hazardous if
improperly handled. Read the relevant Safety Data Sheet
before performing this test.
Advertisement
