Quality control samples for analysis of effective components in acidic soil | Soil | Reference Materials

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Quality control samples for analysis of effective components in acidic soil

  • Price: $412
  • Cat No.:BWS0437-2016
  • Form:Solid State
  • Term of validit:24 Months
Pack Size:
  • 200g , 6.41
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
Save 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 6.41 0.07 /
2 Free iron 14.3g/kg 1.4g/kg /
3 Total Nitrogen 1.70g/kg 0.05g/kg /
4 Organic matter 28.0g/kg(reference value) / /
5 Available phosphorus 8.5mg/kg(reference value) / /
6 Available k 175mg/kg 13mg/kg /
7 Effective Iron-DPTA 82mg/kg 8mg/kg /
8 Effective Manganese-DPTA 56mg/kg 4mg/kg /
9 Effective Copper-DPTA 2.07mg/kg 0.14mg/kg /
10 Effective Zinc-DPTA 3.67mg/kg 0.17mg/kg /
11 Exchanging acidity (total amount of exchangeable acids) / / /
12 Exchanging acidity (exchangeable hydrogen) / / /
13 Hydrolytic acidity 2.5cmol/kg 0.4cmol/kg /
14 Exchangeable potassium 0.43cmol(K+)/kg 0.05cmol(K+)/kg /
15 Exchangeable sodium 0.31cmol(Na+)/kg(reference value) / /
16 Exchangeable calcium 13.6cmol(1/2Ca++)/kg 0.8cmol(1/2Ca++)/kg /
17 Exchangeable magnesium 1.2cmol(1/2Mg++)/kg 0.2cmol(1/2Mg++)/kg /
18 Total amount of exchangeable salt base 15.3cmol/kg(reference value) / /
19 Cation exchange capacity - ammonium acetate 17.3cmol(+)/kg 1.8cmol(+)/kg /
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