QUANTOFIX Ascorbic Acid

$84.70 (inc GST)

QUANTOFIX Ascorbic Acid Test Strips

For the rapid and reliable determination of ascorbic acid (vitamin C) in food.

Ascorbic acid is naturally found in many foods (fruits and vegetables).  It is also added to juices or fruits as a stabilising and reducing agent.  Thus, ascorbic acid is an important parameter in the fruit producing and food processing industry.


Directions for use

Dip QUANTOFIX Ascorbic Acid test strip into the test solution for 10 seconds.  Shake off excess liquid.  Wait 30 seconds.  Compare the test field with the colour scale.  If ascorbic acid is present the test field turns green to blue.

Store QUANTOFIX Ascorbic Acid in a cool, dry place.  Avoid exposure to sunlight and moisture.


Manufactured by: Macherey-Nagel

Instruction Manual: 91314 INSTRUCTIONS

Safety Data Sheet91314 SDS

SKU: 91314
Range: 0-2000 mg/L
Pack Size: 100/pk

QUANTOFIX Relax – Test Strip Reader

$1,650.00 (inc GST)

QUANTOFIX® Relax – Automated reader for test strips

A revolution in test strip analysis!  With this new system, MACHEREY-NAGEL offers an entirely objective way to read QUANTOFIX® test strips, making the system particularly suitable if results are critical to your decision making.  The system simplifies testing procedures and the decision processes by eliminating the subjectivity of visual readings and by providing higher accuracy.  Especially if you test large numbers of strips, the QUANTOFIX® Relax helps and supports you with easy data administration and quick testing procedures.  Additionally, the QUANTOFIX® Relax allows you to get actual quantitative results – no gradation and estimation of in-between values is necessary.

The QUANTOFIX® Relax can change the way you work and test.  The system enables you to focus on your core processes and is the perfect tool for your testing procedures.

Highest precision

  • Quantitative results across the complete measuring range
  • Higher accuracy and no in-between value guesswork
  • Assure your decision making

Objective readings

  • No influence of external light or human colour perception
  • Reproducible results independent of the operator
  • Increase safety and comfort

Easy result administration

  • Immediate printouts
  • Data can be transferred to a computer
  • Save time to focus on your core business

Manufactured by: Macherey-Nagel

Operating Manual:   91346 MANUAL

BrochureQUANTOFIX Relax

SKU: 91346
Range: see product

Free Fatty Acid Test Strips

$126.50 (inc GST)

Free Fatty Acid Test Strips

Deep frying causes oils and fats to decompose over time. One of the major by-products of decomposition is free fatty acids. When these acids exceed an acceptable threshold, they affect the quality of fried food.

With free fatty acid test strips it is easy to monitor the quality of deep-frying oils.


Store Free Fatty Acid Test Strips in a cool, dry place. Avoid exposure to sunlight and moisture.


SKU: 117046
Range: 0-3 g/L
Pack Size: 100/pk
Out Of Stock


$83.60 (inc GST)


For the quick and easy semi-quantitative determination of total acid (expressed as citric acid).

Citric acid is present in trace amounts in citrus fruits and added to food as a preserving component, flavouring and antioxidant.  It is also used in cleaners (removes hard, chalky deposits e.g. in coffee machines and boilers) and pharmaceuticals.  QUANTOFIX Total Acid test strips are especially useful for the food and beverage industry.

Store QUANTOFIX Total Acid in a cool, dry place. Avoid exposure to sunlight and moisture.


Manufactured by: Macherey-Nagel

Instructions: 91353 INSTRUCTIONS

Safety Data Sheet91353 SDS

SKU: 91353
Range: 0-5 g/L
Pack Size: 100/pk