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Weiyel > Minerals/Coal/Petroleum > Soil > Available soil states > Quality control samples for analysis of effective components in acidic soil

Quality control samples for analysis of effective components in acidic soil

  • Price： $412
  • Cat No.：BWS0438-2016
  • Form：Solid State
  • Term of validit：24 Months
Pack Size:
  • 200g , 5.27
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Essential Information Magnitude Information Related Products
Quality control samples for analysis of effective components in acidic soil Essential Information
Form Solid State
Stroma soil
Packing polyethylene bottle
Storage conditions Room temperature Store airtight and away from light place.Before use, the temperature should be adjusted to （20±3）℃，shake uniformity.Used up after opening,prevent contamination during use.
Magnitude Information
No Analyte Standard value Uncertainty(k=2) CAS
1 pH 5.27 0.05 /
2 Free iron 16.3g/kg 1.6g/kg /
3 Total Nitrogen 1.52g/kg 0.05g/kg /
4 Organic matter 24.7g/kg 1.9g/kg /
5 Available phosphorus 42mg/kg 7mg/kg /
6 Available k 171mg/kg 18mg/kg /
7 Effective Iron-DPTA 213mg/kg 25mg/kg /
8 Effective Manganese-DPTA 90mg/kg 7mg/kg /
9 Effective Copper-DPTA 8.1mg/kg 0.7mg/kg /
10 Effective Zinc-DPTA 11.3mg/kg 1.2mg/kg /
11 Exchanging acidity (total amount of exchangeable acids) 1.07cmol/kg 0.19cmol/kg /
12 Exchanging acidity (exchangeable hydrogen) 0.35cmol/kg（reference value） / /
13 Hydrolytic acidity 7.3cmol/kg 0.6cmol/kg /
14 Exchangeable potassium 0.42cmol（K+）/kg 0.06cmol（K+）/kg /
15 Exchangeable sodium 0.41cmol（Na+）/kg（reference value） / /
16 Exchangeable calcium 10.4cmol（1/2Ca++）/kg 1.0cmol（1/2Ca++）/kg /
17 Exchangeable magnesium 4.3cmol（1/2Mg++）/kg 0.3cmol（1/2Mg++）/kg /
18 Total amount of exchangeable salt base 15.3cmol/kg 1.0cmol/kg /
19 Cation exchange capacity - ammonium acetate 20.5cmol（+）/kg 1.3cmol（+）/kg /
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