TIU CHUN VIT NAM

TIU CHUN VIT NAM

TCVN 2619-1994UR NNG NGHIPYU CU K THUTUrea for agricultureTechnical requirementsTiu chun ny p dng cho ure tng hp, dng lm phn bn trong nng nghip

1.Yu cu k thutCc ch tiu ho l ca ure phi ph hp vi cc yu cu v mc quy nh trong bng sau:

Bng 1:

Tn ch tiu

Mc

1.Dng bn ngoi.

2.Hm lng nit tnh bng phn trm khi lng, khng nh hn.

3.Hm lng biuret, tnh bng phn trm, khi lng, khng ln hn

4. m, tnh bng phn trm, khi lng, khng ln hn

5. ht, c t 1 - 2,5 mm, tnh bng phn trm, khng nh hnHt mu trng, hoc hi ng vng khng c tp cht bn nhn thy c, ho tan tt trong nc.

46,0

1,5

1,0

90

2.Bao gi, ghi nhn, bo qun v vn chuyn2.1 Bao b: Ur c ng trong cc bao b bng cc loi cht do tng hp, m bo gi c m v chu lc khng lm rch v khi vn chuyn.

Khi lng khng b ng trong mi bao 50 1 kg.

2.2 Nhn c in trn bao b, bng mc khng phai, c ni dung sau:

Tn c s sn xut;

Nhn hiu hng ho;

Tn sn phm;

Hm lng nit;

Khi lng khng b;

2.3 Bo qun ure trong kho kh, sch, c che ma nng.

Bao ure c xp tng l, khong cch gia cc l khng c nh hn 0,5 m, chiu cao khng qu 8 bao v khng c xp ln vi cc loi phn bn v ho cht khc.

2.4 Vn chuyn trn cc phng tin ph thng, c che ma, nng, khng c trc tip vi sn m t.