BF-131B type total phosphorus analyzer
Detection principle:
Add persulfate to the sample to convert all phosphorus in the solution into orthophosphate. The orthophosphate in the sample reacts with ammonium molybdate in an acidic medium in the presence of antimony salt to form phosphomolybdic acid, which is immediately reduced by ascorbic acid to form a blue complex. Measure the absorbance at 700nm. After calculation by the microcomputer chip, the total phosphorus content (mg/L) is directly displayed.
Scope of application:
It can be widely used in colleges and universities, research institutes, sewage treatment plants, environmental monitoring stations, electroplating, petrochemicals, papermaking, pharmaceuticals, printing and dyeing, textiles, leather, brewing, dairy industry, electronics, municipal engineering and other industries.
Instrument appearance:
Instrument actual shooting image
Technical parameters:
Measuring Item |
total phosphorus |
Measurement range |
0-20mg/L |
accuracy |
±5% |
detection limit |
0.02 mg/L |
Optical stability |
≤ 0.005A/20 minutes |
Measurement time |
4 samples per batch in 40 minutes |
Temperature indication error |
±1℃ |
Temperature uniformity |
±1℃ |
Light source lifespan |
100000 hours |
Number of curves |
Standard 3 with 57 extensions |
storing data |
2000 pieces |
display |
LCD display screen |
Display interface |
All in Chinese |
Colorimetric method |
Colorimetric tube |
printer |
Thermal printer (optional) |
Data interface |
USB |
ambient temperature |
5-40℃ |
ambient humidity |
Relative humidity ≤ 85% |
rated voltage |
3.7v 1A |
rated power |
<10w>10w> |
power capacity |
3000mA (charging) |
Appearance quality |
190*150*95(mm) 1.4kg |
Product features:
1. Using the EPA approved method in the United States, in accordance with HJ/T399-2007, the measurement is accurate and effective.
2. Adopting imported high brightness and long-life cold light source, with excellent optical performance and a light source lifespan of up to 100000 hours.
3. Large LCD screen with full Chinese display, direct data reading, simple and time-saving operation.
4. Customized imported material colorimetric tubes for accurate, simple, and fast measurement, with no safety hazards.
5. It can save 60 standard curves and 2000 measured values (date, time, parameters, test data).
6. Memory standard working curve and expansion curve, users can calibrate the curve according to their needs.
7. One click factory reset, which can quickly recover in case of curve loss caused by misoperation.
8. It has data storage function and power-off protection function, making it convenient to query historical data and prevent data loss.
9. Equipped with a USB interface, data can be transferred to the computer for permanent storage.
10. Optional printing function, which can print the measured values immediately or query historical records for printing.
11. Choose a large capacity portable power bank to eliminate the inability to detect in the wild due to the lack of conventional power supply methods.
Standard configuration:
One set of mainframe, one set of 16 well digestion analyzer, one set of colorimetric tube, one set of total phosphorus reagent, one colorimetric rack, and so on.