Quality control samples for analysis of available components in alkaline soil | Soil | Reference Materials

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

Quality control samples for analysis of available components in alkaline soil

  • Price： $412
  • Cat No.：SHAM_234463
  • Form：Solid State
  • Term of validit：24 Months
Pack Size:
  • 200g , 7.45
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Essential Information Magnitude Information Related Products
Quality control samples for analysis of available components in alkaline 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 7.45 0.07 /
2 Calcium carbonate 12g/kg 2g/kg /
3 Free iron 42.7g/kg 3.7g/kg /
4 Total nitrogen 1.20g/kg 0.06g/kg /
5 Organic matter 18.3g/kg / /
6 Available phosphorus 20.4mg/kg 3.3mg/kg /
7 Available k 84mg/kg / /
8 Effective Iron-DPTA 40mg/kg 3mg/kg /
9 Effective Manganese-DPTA 29mg/kg 3mg/kg /
10 Effective Copper-DPTA 2.3mg/kg 0.3mg/kg /
11 Effective Zinc-DPTA 1.04mg/kg 0.09mg/kg /
12 Exchangeable potassium 0.16cmol（K+）/kg 0.03cmol（K+）/kg /
13 Exchangeable sodium 0.28cmol（Na+）/kg / /
14 Exchangeable calcium 9.0cmol（1/2Ca++）/kg 1.0cmol（1/2Ca++）/kg /
15 Exchangeable magnesium 1.2cmol（1/2Mg++）/kg 0.2cmol（1/2Mg++）/kg /
16 Cation exchange capacity EDTA ammonium acetate 15.6cmol（+）/kg 1.6cmol（+）/kg /
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