Mini Titrator for Measuring Titratable Acidity in Fruit Juice
Product code: MX-12545
Titratable acidity of fruit juices is an important parameter in determining fruit maturity and sour taste in citrus fruits. The maturity of fruit is one of the most important factors to determine how well fruit will store and how it will taste.
Used in:Food & beverage
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Product description
Titratable acidity of fruit juices is an important parameter in determining fruit maturity and sour taste in citrus fruits. The maturity of fruit is one of the most important factors to determine how well fruit will store and how it will taste. For some fruits, governmental quality standards (based on titratable acidity or the ratio of total soluble solids (°Brix) to titratable acidity) are in place to protect consumers. Immature fruit will normally have a low sugar to acid ratio as compared to mature fruit that will have a high sugar to acid ratio.
The HI84532U-01 measures the concentration of titratable hydrogen ions contained in fruit juice samples by neutralization with a strong base solution to a fixed pH. This value includes all the substances of an acidic nature in the fruit juice including free hydrogen ions, organic acids, and acid salts. Titratable fruit acidity is expressed as g/100 mL of the predominant acid. The predominant acids in fruit depend on the type of fruit being tested and include citric acid, tartaric acid, and malic acid.
Fruits, Juices
Titratable acidity (g/100 mL)
Specifications
| Range | Low Range: g/100 mL as citric acid: 0.10 to 2.00% CA g/100 mL as tartaric acid: 0.11 to 2.35% TA g/100 mL as malic acid: 0.10 to 2.09% MA High Range: g/100 mL as citric acid: 1.00 to 10.00% CA g/100 mL as tartaric acid: 1.17 to 11.72% TA g/100 mLas malic acid: 1.05 to 10.47% MA |
|---|---|
| Resolution | 0.01% |
| Accuracy (@25ºC/77ºF) | ±0.02% or 3% of reading CA whichever is greater |
| Sample Volume | 5 mL |
| Methods | acid base titration |
| Principle | endpoint titration: 8.1 pH |
| Pump Speed | 10 mL/min |
| Stirring Speed | 600 rpm |
| pH Range | -2.0 to 16.0 pH -2.00 to 16.00 pH |
| pH Resolution | 0.1 pH / 0.01 pH |
| pH Accuracy (@25ºC/77ºF) | ±0.01 pH |
| pH Calibration | one, two, or three-point calibration, four available buffers (4.01, 7.01, 8.20, 10.01) |
| Temperature Compensation | manual or automatic |
| mV Range | -2000.0 to 2000.0 mV |
| mV Resolution | 0.1 mV |
| mV Accuracy (@25ºC/77ºF) | ±1.0 mV |
| Temperature Range | -20.0 to 120.0°C -4.0 to 248.0°F 253.2 to 393.2 K |
| Temperature Resolution | 0.1°C 0.1°F 0.1K |
| Temperature Accuracy (@25ºC/77ºF) | ±0.4°C ±0.8°F ±0.4 K |
| Logging Data | up to 400 ( 200 titrations, 200 pH/mV readings) |
| Electrode | HI1131B glass body, refillable, with BNC connector and 1 m (3.3') cable (included) |
| Temperature Probe | HI7662-T stainless steel temperature probe with 1 m (3.3') cable (included) |
| Environment | 0 to 50°C (32 to 122°F) RH max 95% non-condensing |
| Power Supply | 12 VDC adapter (included) |
| Dimensions | 235 x 200 x 150 mm (9.2 x 7.9 x 5.9in.) |
| Weight | 1.9 kg (67.0 oz.) |
| Warranty | 2 years |
