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HI3810 Dissolved Oxygen Test Kit
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HI3824 Ammonia test kit for fresh water
HI3824 Ammonia test kit for fresh water 3,500.00৳ 
HI3811 Alkalinity test kit
HI3811 Alkalinity test kit
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Hanna instruments

HI3811 Alkalinity test kit

5,000.00৳ 

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Description

Why use Alkalinity test kit ?

The HI3811 is a titration-based chemical test kit that determines the alkalinity concentration in samples within a 0 to 100 mg/L (ppm) CaCO3 or 0 to 300 mg/L CaCO3 range. The HI3811 is supplied with all of the necessary reagents and equipment to perform the analysis. The test kit contains enough reagents for perform approximately 110 tests

Feature :

  • All required materials are included with the test kit, such as the sample beakers, plastic syringe, phenolphthalein indicator, and bromophenol blue indicator.

High resolution

  • Readings from 0 to 100 mg/L are determined to 1 mg/L resolution
  • Readings from 0 to 300 mg/L are determined to 3 mg/L resolution

Replacement reagents available

  • There is no need to buy a new kit when reagents are exhausted. The HI3811-100 reagent set can be ordered to replace the reagents supplied with the kit. This reagent set comes with 1 (10mL) dropper bottle of phenolphthalein indicator, 1 (10mL) dropper bottle of bromophenol blue indicator, and 1 (120mL) bottle of HI3811-0 reagent.

Significance of Use

Alkalinity is the quantitative capacity of a water sample to neutralize an acid to a set pH. This measurement is very important in determining the corrosive characteristics of water due primarily to hydroxide, carbonate, and bicarbonate ions. Other sources of alkalinity can be from anions that can be hydrolyzed such as phosphates, silicates, borates, fluoride, and salts of some organic acids. Alkalinity is critical in the treatments of drinking water, wastewater, boiler and cooling systems, and soils.

Alkalinity can be measured as Phenolphthalein Alkalinity and Total Alkalinity. The Phenolphthalein Alkalinity is determined by neutralizing the sample to a pH of 8.3 using a dilute hydrochloric acid solution and a phenolphthalein indicator. This process converts hydroxide ions to water, and carbonate ions to bicarbonate ions:

OH– + HCl → H2O + Cl–

CO32- + HCl → HCO3– + Cl–

Since bicarbonate ions can be converted to carbonic acid with additional hydrochloric acid, the Phenolphthalein Alkalinity measures total hydroxide ions, but only half of the bicarbonate contribution. To completely convert the carbonate ions, hydrochloric acid is added until the sample pH is 4.5, which is known as Total Alkalinity:

HCO3– + HCl → H2CO3 + Cl–

Specification Name Detail
SKU HI3811
Type titration
Smallest Increment 1 mg/L (ppm) 3 mg/L (ppm)
Method phenolphthalein/bromphenol blue
Number of Tests 110 avg.
Ordering Information HI3811 test kit comes with 10 mL phenolpthalein indicator, 10 mL bromophenol blue indicator, 120 mL alkalinity titrant, 10 mL calibrated vessel, 50 mL calibrated vessel, and calibrated syringe with tip.
Reagent HI3811-100
Alkalinity Range 0-100 mg/L (ppm) 0-300 mg/L (ppm)
Additional information
Weight 0.300 kg
Brand

Hanna instruments

Color

Black & white

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About brand
Hanna Instruments is a global manufacturer of analytical instrumentation. It was founded in 1978 in Padova, Italy by Oscar and Anna Nardo. Hanna Instruments has a network of over 40 subsidiaries in 32 countries around the world
Shipping & Delivery
রিপ্লেসমেন্ট পলিসিঃ ১) প্রোডাক্টের সমস্যার (যেমন : প্রোডাক্ট ভাঙ্গা, ছেঁড়া, ভুল সাইজ, প্রোডাক্ট কাজ না করা, ছবির সাথে প্রোডাক্টের মিল না থাকা ইত্যাদি) ক্ষেত্রে আপনি রিপ্লেসমেন্ট পেতে পারেন। ২) প্রোডাক্টটির বাক্স সহ সম্পূর্ণ অক্ষত অবস্থায় থাকতে হবে। ৩) ডেলিভারি গ্রহনের পর সর্বোচ্চ ৪৮ ঘন্টার মধ্যে আপনাকে [email protected] এ মেইল করতে হবে অথবা 0197885269 নাম্বারে কমপ্লেইন রেজিস্টার করতে হবে। ৪) আপনাকে উক্ত প্রোডাক্টটি safestallbd.com -এর অফিসে অবশ্যই সর্বোচ্চ ৭ কার্যদিবসের মধ্যে নিজ দায়িত্বে ফেরত পাঠাতে হবে। বিঃ দ্রঃ পণ্য ও সার্ভিস সম্পর্কিত কোনো অভিযোগের জন্য আমাদের কমপ্লেইন্ট টীম আপনাকে ফোন করবেন। এ জন্য আপনার অভিযোগটি সমাধান না হওয়া পর্যন্ত আপনাকে আমরা ফোনে সক্রিয় পেতে চাই। আপনার যোগাযোগে দেওয়া নম্বরটি সক্রিয় না থাকলে বিকল্প কোনো নম্বর সক্রিয় থাকতে হবে। রিফান্ডের জন্য আপনাকে টাকাটি ফেরতের মাধ্যম আমাদের জানাতে হবে। আমরা আপনার কোনো প্রকার সহযোগিতা ১৫ কার্যদিবসের মধ্যে ফোনে অথবা ইমেইলে না পেলে আপনার অভিযোগটি নিস্পত্তি বলে মনে করবো।

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HI3811 Alkalinity test kit

HI3811 Alkalinity test kit

5,000.00৳ 

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