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Hanna Instruments – HI3896 NPK Soil Chemical Test Kit (25 tests each)

The HI3896 NPK Soil Chemical Test Kit is a complete soil testing solution designed to measure nitrogen (N), phosphorus (P), potassium (K), and pH in soil samples. Using colorimetric and turbidimetric methods, it provides rapid, accurate readings with easy-to-use visual comparisons. The kit includes all necessary reagents and tools, with replacement reagents available individually as they run out. Ideal for gardeners, agronomists, and researchers, the HI3896 enables efficient assessment of soil fertility and nutrient balance.

  • Parameters Measured: N, P, K, and pH
  • Soil pH Range: 4–9 pH, resolution 1 pH
  • NPK Ranges: Trace, low, medium, high
  • Number of Tests: 25 tests per parameter

Description

Accurate soil analysis is essential for healthy plant growth, and the HI3896 Soil Test Kit provides a simple, reliable way to measure the key nutrients and pH that affect soil quality. The kit uses colorimetric and turbidimetric reactions to determine nitrogen, phosphorus, potassium, and pH, allowing users to visually compare sample colors to reference cards. The pH measurement is suitable for most plants, ranging from pH 4 to 9, and the nutrient tests categorize concentrations as trace, low, medium, or high.

The HI3896 kit comes complete with all required tools, including test tubes, pipettes, extraction solutions, color cards, spoon, brush, and a handbook with instructions. Individual reagents for each parameter can be replaced as they are used, reducing the need to purchase an entirely new kit. This makes the HI3896 economical, versatile, and ideal for home gardeners, agricultural research, or educational applications where frequent soil testing is needed.

Features

  • Parameters Measured: Nitrogen (N), Phosphorus (P), Potassium (K), pH
  • pH Measurement: Range 4–9 pH, Resolution 1 pH, Method: pH indicators
  • Nitrogen Range: Trace, Low, Medium, High, Method: Ned
  • Phosphorus Range: Trace, Low, Medium, High, Method: Ascorbic Acid
  • Potassium Range: Trace, Low, Medium, High, Method: Tetraphenylborate
  • Number of Tests: 25 per parameter
  • Complete Kit Includes: Extraction solutions (120 mL x2), pH indicator (70 mL), 75 reagent packets (25 each for N, P, K), test tubes (5), pipettes (3), test tube stand, spoon, brush, color cards (4), graduated card, and handbook
  • Replacement Reagents: Available individually per parameter
  • Use Case: Soil fertility analysis for gardens, agriculture, and research
  • Methodology: Colorimetric and turbidimetric analysis for visual comparison

Specifications

SKU
HI3896
Product Name
NPK Soil Chemical Test Kit (25 tests each) – HI3896
Quote Required
Yes
pH Measurement Type
colorimetric
pH Range
4 to 9 pH
pH Resolution
1 pH
pH Method
pH indicators
pH Number of Tests
25
Nitrate Measurement Type
colorimetric
Nitrate Range
trace, low, medium, high
Nitrate Method
Ned
Nitrate Number of Tests
25
Nitrogen, Total Measurement Type
colorimetrico
Nitrogen, Total Range
tracce, bassa, media, alta
Nitrogen, Total Method
Ned
Nitrogen, Total Number of Tests
10
Phosphorous Measurement Type
colorimetric
Phosphorous Range
trace, low, medium, high
Phosphorous Method
ascorbic acid
Potassium Range
trace, low, medium, high
Potassium Method
tetraphenylborate
Potassium Number of Test
25
Ordering Information
HI3896 test kit includes 120 mL extraction solution (2), 70 mL pH indicator, 75 powder packets (25 each for N, P, K), 1 mL pipettes (3) test tubes (5), test tube stand, spoon, brush, color cards (4), graduated card, and handbook.

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