Chinese
Compound fertilizer (compound fertilizer) national level
From;    Author:Stand originally
1 limits

This standard set answer the technical requirement that mixes fertilizer, experiment method, examine regular, label, pack, carry and keep in storage.

This standard applies to compound fertilizer (include all sorts of special fertilizer and hat 3 yuan when be fundamental nutrient with nitrogen, phosphor, Potassium with all sorts of names or binary solid fertilizer) ; The compound fertilizer that already had country or occupation standard is like phosphoric acid one ammonium, phosphoric acid phosphate fertilizer of 2 ammonium, nitric acid, phosphoric acid is 2 hydrogen Potassium, calcic should implement corresponding product standard magnesian phosphor potash fertilizer.

2 cite standard

The clause that following standard place contains, through citing in this standard compose makes the clause of this standard. When this standard is published, what show version to all be effective. All standards can be edited, use this level each just should be discussed use following level the possibility of newest version.

GB/T1250, the expression of 1989 maximums numerical value method and decide method.

GB/T 6003.1, 1997 tinsel braid network test to sift (– of Eqv ISO 3310 1: 1990)

GB/T 6679, general rule of sampling of product of 1986 solid chemical industry

GB 8569, 1997 solid fertilizer is packed

GB/T 8572, total nitrogen content determines in 2001 compound fertilizer, the mensuration after distillation (NeqISO 5315: 1984)

GB/T 8573, 1999 answer in mixing fertilizer, effective phosphor content determines
GB/T 8574, content of the Potassium in 1988 compound fertilizer determines, 4 phenyl combine magic art of weight of boric acid Potassium (Eqv ISO 5317: 1983 with ISO 5318: 1983)

GB/T 8576, content of water of the dissociate in 1988 compound fertilizer measures way of calm vacuum oven

GB/T 8577, content of water of the dissociate in 1988 compound fertilizer measures cost of • blocking Er to rest law (Neq ISO 760: 1978)

GB 18382, content of 2001 fertilizer label and requirement (Neq ISO 7409: 1984)

HG/T 2843, middling of chemical analysis of product of 1997 chemical fertilizer uses standard titrate solution, standard solution, reagent solution and indicator solution

3 definitions

This standard uses following definition:

3.1 compound fertilizer (Compound Fertilizer) nitrogen, phosphor, Potassium in 3 kinds of nutrient, at least two kinds raise those who assign declarable content to be mixed by chemical method (or) the fertilizer that mix into mixes a method to be made.

3.2 compound fertilizer (Complex Fertilizer) nitrogen, phosphor, Potassium in 3 kinds of nutrient, the becomes by chemical honest legal system fertilizer that has declarable content of two kinds of nutrient at least, a kind be compound fertilizer.
3.3 blended fertilizer (Blended Fertilizer) nitrogen, phosphor, Potassium in 3 kinds of nutrient, have declarable content of two kinds of nutrient at least by do the fertilizer that mixes honest legal system to become, a kind be compound fertilizer.
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