Sample detection

发布时间：2024-05-21

Test item :

Measure δD, δ18O and δ17O

Sample: liquid water (including plants, soil, and other extracted water)

Analytical instruments:

Laser spectroscopy -LGR liquid water isotope analyzer

Laser spectroscopy -picarro liquid water isotope analyzer

Mass spectrometry - Stable isotope ratio mass spectrometer

Extraction:

Sample: plants, soil, sea water, etc

Instrument name: BJJL-2200,BJJL-2100 automatic vacuum condensation extraction system

Nutrient test:

Water (sea water, drinking water, surface water, sewage, wastewater)

Total nitrogen, total phosphorus, ammonia nitrogen, nitrate, nitrite, phosphate, silicate, sulfate, sulfide, chloride, chloride ion, chromium, fluoride, acidity, alkalinity, hardness, iron, manganese, aluminum, calcium, magnesium, copper, potassium, zinc, urea, cyanide, volatile phenol, COD, total Kaiserian nitrogen, total Kaiserian phosphorus, formaldehyde, etc.

Soil & Plants:

Total nitrogen, total phosphorus, ammonium nitrogen, nitrate nitrogen, nitrite, phosphate, available nitrogen, available phosphorus, magnesium, iron, zinc, potassium, copper, silicate, sulfate, sulfide, chloride, alkalinity, boron, calcium, lysine, urea, hexavalent chromium, etc.

Fertilizer/Feed:

Ammonium nitrogen (protein), carbamide, nitrate nitrogen, orthophosphate, calcium, total nitrogen, total phosphorus, urea, available phosphorus, silicate, sulfate, sulfide, chloride, boron, potassium ion, etc.

Food and wine analysis:

Acetic acid, citric acid, gluconic acid, lactic acid, malic acid, glucose tartrate, fructose, sucrose, ammonia nitrogen, iron, copper, total acid, PH, total/free sulfur dioxide, amino acids, total nitrogen, total phosphorus nitrate, nitrite, phosphate, cyanide, hexavalent chromium, alkalinity, etc.

tobacco:

Ammonia nitrogen, chloride, nicotine, total sugar, reducing sugar, nitrate, phosphate,

Total nitrogen, total phosphorus, sulfate, hydrocyanic acid, volatile alkali, formaldehyde, etc

Analytical instruments:

Intermittent chemical analysis CLEVERCHEM 380

Flow injection analyzer

Field Water Quality Project:

1,pH (pH)

2,ORP (REDOX potential)

3,DO (Dissolved oxygen)

4. Electrical conductivity

5. Salinity

6,TDS (Total dissolved solids)

7. Apparent specific gravity of sea water

8 Temperature

9 Turbidity

Analytical instruments: U50 series, YSI 6600, etc

Contact: Manager Yang 15601012924