Solutii standard si reactivi pentru laborator

Solutii standard si reactivi pentru laborator:
Nr. crt	COD	Descriere	U.M.	Cant.	Pret unitar RON fara TVA	Pret total RON fara TVA
1	1198110500	Solutie standard de azotat NaNO₃ in H₂O trasabila NIST 1000 mg/l NO₃ Certipur®. Producator Merck Millipore	500 ML	1	219.60	219.60
2	1198990500	Solutie standard de azotit NaNO₂ in H₂O trasabila NIST 1000 mg/l NO₂ Certipur®. Producator Merck Millipore	500 ML	1	220.80	220.80
3	1197700100	Solutie standard de aluminiu, Al(NO₃)₃ in HNO₃ 0.5 mol/l, trasabila NIST; 1000 mg/l Al Certipur®. Producator Merck Millipore	100 ML	1	159.60	159.60
4	1198120500	Solutie standard de amoniu NH₄Cl in H₂O trasabila NIST 1000 mg/l NH₄ Certipur®. Producator Merck Millipore	500 ML	1	219.60	219.60
5	1197810500	Solutie standard de fier Fe(NO₃)₃ in HNO₃ 0.5 mol/l, trasabila NIST, 1000 mg/l Fe Certipur®.  Producator Merck Millipore	500 ML	1	216.00	216.00
6	1197780100	Solutie standard de calciu Ca(NO₃)₂ in HNO₃ 0.5 mol/l, trasabila NIST; 1000 mg/l Ca Certipur®. Producator Merck Millipore	100 ML	1	158.40	158.40
7	1146930001	"PhotoCheck soluţii pentru verificare fotometre(445/446 nm 520/525 nm, si 690 nm) Spectroquant®. Producator Merck Millipore
restrictionat cf. REACH - articol 56"	SET	1	1956.00	1956.00
8	P/4720/50	"Potassium Dichromate, Certified AR for Analysis 
CAS 7778-50-9
Molecular Formula Cr2K2O7
Molecular Weight (g/mol) 294.182
Assay >= 99.9 %
Producator Fisher Chemical"	250 G	1	381.15	381.15
9	QC1342-2ML	"Turbidity certified reference material
Producator Sigm