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Code of China
Chinese National Standard List: Basic standards and general methods on chemical fertilizers

DB37/T 3313-2018 Determination of Chitosan in Fertilizer by Spectrophotometry 
  Issued on: 2018-06-12   Price(USD):
GB/T 35112-2017 Humic-acids and fulvic-acids materials products for agricultural use―Classification 
  Issued on: 2017-12-29   Price(USD): 100.0
GB/T 35107-2017 Determination of soluble humic acid content for mineral humic acid fertilizers 
  Issued on: 2017-12-29   Price(USD): 100.0
GB/T 35104-2017 Determination of plasticizers(phthalic acid esters) in fertilizer―Gas chromatography-mass spectrometry(GC-MS) 
  Issued on:   Price(USD): 160.0
GB/T 8573-2017 Determination of available phosphorus content for compound fertilizers 
  Issued on: 2017-12-29   Price(USD): 160.0
GB/T 35106-2017 Determination of unbound humic acid content from mineral source 
  Issued on: 2017-12-29   Price(USD): 100.0
NY/T 3174-2017 Water-soluble fertilizers-Determination of alginic acid content 
  Issued on: 2017-12-22   Price(USD): 120.0
NY/T 3175-2017 Water-soluble fertilizers-Determination of chitosan content 
  Issued on: 2017-12-22   Price(USD): 130.0
GB/T 34764-2017 Determination of copper，iron，zinc，manganese，boron and molybdenum content in fertilizers-Inductively coupled plasma optical emission spectroscopy 
  Issued on: 2017-11-01   Price(USD): 180.0
GB/T 34766-2017 Determination of total humic acid content from mineral source 
  Issued on: 2017-11-01   Price(USD): 100.0
GB/T 34765-2017 Determination of mineral fulvic acids content 
  Issued on: 2017-11-01   Price(USD): 130.0
NY/T 3038-2016 Fertilizer synergists.Determination of N-(n-Butyl)thiophosphoric acid triamide (NBPT) and N-(n-Propyl)thiophosphoric acid triamide(NPPT)content 
  Issued on: 2016-12-23   Price(USD): 100.0
GB/T 32951-2016 Determination of oxytetracyline, tetracyline, chlortetracycline and doxycycline content for organic fertilizers - HPLC method 
  Issued on: 2016-08-29   Price(USD): 220.0
GB/T 32954-2016 Fertilizers - Determination of fluoride - Ion - selective electrode method 
  Issued on: 2016-08-29   Price(USD): 100.0
GB/T 32953-2016 Fertilizers - Determination of melamine content - Ion chromatographic method 
  Issued on: 2016-08-29   Price(USD): 100.0
GB/T 32952-2016 Fertilizers - Determination of polycyclic aromatic hydrocarbons - Gas chromatography - mass spectrometry 
  Issued on: 2016-08-29   Price(USD): 160.0
GB/T 32741-2016 Fertilizers and soil conditioning agents 
  Issued on: 2016-08-29   Price(USD): 160.0
GB/T 31732-2015 Balance fertilization by soil testing―Technical specification for fertilizer compounding service station 
  Issued on: 2015-07-03   Price(USD): 160.0
GB/T 10514-2012 Determination of free water for nitrophosphate—Oven method 
  Issued on: 2012-12-31   Price(USD): 80.0
GB/T 10516-2012 Determination of average crushing strength for nitrophosphate 
  Issued on: 2012-12-31   Price(USD): 100.0
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