105
H300-
-H331-H317-H411
P261-P301-P310-P302-P352-P321-P405-P501
EUH031
Assay% Min 99
Chloride (Cl) % Max 0.005
Sulfate and Selenate (as SO ) % Max 0.005
4
Nitrogen compounds (N) % Max0.005
Iron (Fe) % Max 0.001
Product code:
31934
C.A.S. :
10102-18-8
EINECS :
233-267-9
0025
Sodium selenite anhydrous
Analytical Reagent
Na SeO MW =173.01
2
3
25 gr
MW=
Sodium sulfate anhydrous
Na SO
142.04
2 4
Analytical Reagent
Assay (ionsensitive electrode) % Min 99
Insolublematter% Max 0.01
pH (5%water) 5.2 - 9.2
Chloride (Cl) % Max 0.001
Phosphate (PO ) % Max 0.001
4
Total nitrogen (N) % Max 0.0005
Heavymetals (as Pb) % Max 0.0005
Arsenic (As) % Max 0.0001
Calcium (Ca) % Max 0.01
Iron (Fe) % Max 0.0005
Potassium (K) % Max 0.002
Magnesium (Mg) % Max 0.001
Loss on ignition (at 800 °C) % Max 0.5
Product code:
C.A.S. :
EINECS :
319260500/1000
7757-82-6
231-820-9
500 gr
1 kg
MW=
Sodium sulfite anhydrous
An
alytical Reagent
Na SO
126.04
2 3
Assay (Iodmetric) % Min 98
Insolublematter inwater% Max 0.005
Acidity Passes test
Alkalinity Max 0.03meq/g
Chloride (Cl) % Max 0.02
Heavymetals (as Pb) % Max 0.001
Iron (Fe) % Max 0.0005
Product code:
C.A.S. :
EINECS :
319270500
7757-83-7
231-821-4
500 gr
H303
P312
MW =
Sodium (+) tartrate dihydrate
L
aboratory Reagent
C H Na O .2H O 230.08
4 4 2 6
2
Assay (ex Na) % Min 99
pH (5%solution 20 °C) 7.0 - 8.0
Chloride (Cl) % Max 0.01
Sulfate (SO ) % Max 0.05
4
Iron (Fe) % Max 0.004
Lead (Pb) %
Max 0.002
Product code:
C.A.S. :
EINECS :
318230500
6106-24-7
212-773-3
500 gr
H302-H312-H332-H412
P261-P280-P304-P340-P301-P312-P312-P501A
Assay% Min 98
Chloride (Cl) % Max 0.02
Sulfate (SO ) % Max 0.01
4
Iodine absorption (I) % Max 1ml
Product code:
C.A.S. :
EINECS :
318340500
540-72-7
208-754-4
MW =
Sodium thiocyanate
Laboratory Reagent
NaSCN
81.07
500 gr
Sodium Thiosulfate 0.1 M (0.1N)
Standardized solution
traceable to NIST
Na O S .5H O MW =248.17
2 3 2
2
Tolerance +/- 0.0005M
Appearance Clear solution
The standardisation material (potassium iodate) is traceable to NIST
Standard Reference Material arsenic trioxide, number 83d
Product code:
C.A.S. :
EINECS :
BVS17001
10102-17-7
231-867-5
1 L
Sodium Thiosulfate 1 M (1N)
Standardized solution
traceable to NIST
Na O S .5H O MW =248.17
2 3 2
2
Tolerance +/- 0.0005M
Appearance Clear solution
The standardisation material (potassium iodate) is traceable to NIST
Standard Reference Material arsenic trioxide, number 83d
Product code:
C.A.S. :
EINECS :
BVS17010
10102-17-7
231-867-5
1 L
H290-H314-H335
P261-P280-P305-P351-P338-P310
Chloride (Cl) % Max 0.05
Sulfate (SO ) % Max 0.05
4
Iron (Fe) % Max 0.005
Heavymetals (as Pb) % Max 0.001
Loss on ignition (at 700°C) % 35 – 50
Product code:
C.A.S. :
EINECS :
321040500
13517-24-3
229-912-9
Sodium silicate (meta)
Na O Si.9H O MW =284.20
2 3
2
Laboratory Reagent
500 gr
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