Iodometric |
biodiesel |
4 mg |
H5IO6/ 67.5 mg |
30-90 |
none |
- |
yes |
Na2S2O3
|
none |
5050 ABNT NBR 15771: Biodiesel - Determinação de Glicerina Livre - Método Volumétrico, Brazil, 2009.
|
vanishing cream |
30-40 mg |
KIO4/ 230 mg |
60 |
none |
- |
yes |
H3AsO3
|
none |
3636 AOAC 942.22: Cosmetics - Vanishing Cream - Glycerol, Washington, DC, USA, 1990.
|
fats and oils |
600 µg |
NaIO4/ 275 mg |
10 |
NaHCO3
|
immediately |
yes |
NaAsO2
|
none |
5858 Dantas, M. B.: Obtenção, Caracterização e Estudo Termoanalítico de Biodiesel de Milho (Zea mays L); MSc Dissertation, Universidade Federal da Paraíba, João Pessoa, Brazil, 2006, avalilable at https://www.ufpb.br/ppgq/contents/documentos/teses-e-dissertacoes/dissertacoes/2006/Dissertacao_Manoel_B_Dantas.pdf/view, accessed in December 2021. https://www.ufpb.br/ppgq/contents/docume...
|
fats and oils |
15 µg |
HIO4/not reported |
30 |
none |
- |
yes |
Na2S2O3
|
none |
5959 Rosas, J. C. F.: Produção de Biodiesel Metílico Utilizando Óleo Residual de Fritura via Ultrassom; MSc Dissertation, Universidade Federal do Pará, Belém, Brazil, 2011, available at https://ppgeq.propesp.ufpa.br/ARQUIVOS/dissertacoes/J%C3%BAlio%20C%C3%A9sar%20Freitas%20Rosas.pdf, accessed in August 2021. https://ppgeq.propesp.ufpa.br/ARQUIVOS/d...
d
|
water |
30 mg |
KIO4/ 350 mg |
5 |
KAsO2e
|
10 |
yes |
chloramine-T |
none |
6060 Hartman, L.; J. Appl. Chem. 1953, 3, 308.
|
Potentiometric |
fats and oils |
43-208 mg |
NaIO4/2.5 g |
1 |
ethylene glycol |
5 |
no |
NaOH |
pH adjustments/ 3 min |
6161 Naviglio, D.; Romano, R.; Pizzolongo, F.; Santini, A.; De Vito, A.; Schiavo, L.; Nota, G.; Musso, S. S.; Food Chem. 2007, 102, 399.
|
commercial glycerin |
150 mg |
H5IO6/1 g |
60 |
none |
- |
yes |
NaOH |
pH adjustments/ 3 min |
6262 Bradford, P.; Pohle, W. D.; Gunther, J. K.; Mehlenbacher, V. C.; Oil Soap 1942, 19, 189.
|
Alkalimetric |
water |
400 mg |
NaIO4/3 g |
30 |
ethylene glycol |
20 |
yes |
NaOH |
evaluation of NaIO4 solution/ 38 min |
4040 ASTM D7637: Standard Test Method for Determination of Glycerin Assay by Titration (Sodium Meta Periodate), West Conshohocken, PA, 2015.
|
vanishing cream |
30-40 mg |
KIO4/ 230 mg |
60 |
propylene glycol |
10 |
no |
NaOH |
none |
3636 AOAC 942.22: Cosmetics - Vanishing Cream - Glycerol, Washington, DC, USA, 1990.
|
resin solutions |
19-26 mg |
HIO4/ 550 mg |
50-70 |
none |
- |
yes |
NaOH |
pH adjustments/ 3 min |
6363 ASTM D1615: Standard Test Methods for Glycerol, Ethylene Glycol, and Pentaerythritol in Alkyd Resins (Withdrawn 2004), West Conshohocken, PA, 1995.
|
glycerol |
100-120 mg |
KIO4/1.4 g |
5 |
propylene glycol |
few minutesf
|
yes |
NaOH |
pH adjustments/ 3 min |
5858 Dantas, M. B.: Obtenção, Caracterização e Estudo Termoanalítico de Biodiesel de Milho (Zea mays L); MSc Dissertation, Universidade Federal da Paraíba, João Pessoa, Brazil, 2006, avalilable at https://www.ufpb.br/ppgq/contents/documentos/teses-e-dissertacoes/dissertacoes/2006/Dissertacao_Manoel_B_Dantas.pdf/view, accessed in December 2021. https://www.ufpb.br/ppgq/contents/docume...
|
biodiesel |
5-20 mg |
NaIO4/ 900 mg |
30 |
ethylene glycol |
20 |
no |
NaOH |
pH adjustments; boiling for CO2 removal; cooling/ 15 min |
3838 Pisarello, M. L.; Costa, B. O. D.; Veizaga, N. S.; Querini, C. A.; Ind. Eng. Chem. Res. 2010, 49, 8935.
|
biodiesel/ diesel blends |
0.25-5 mg |
NaIO4/ 900 mg |
30 |
ethylene glycol |
20 |
yes |
NaOH |
pH adjustments; boiling for CO2 removal; cooling/ 15 min |
4343 Pisarello, M. L.; Maquirriain, M. A.; Querini, C. A.; Energy Fuels 2018, 32, 8431.
|
soaps and glycerin |
150 mg |
NaIO4/ 900 mg |
30 |
ethylene glycol |
20 |
sometimes |
NaOH |
pH adjustments; boiling for CO2 removal; cooling/ 15 min |
6464 NP 16 018 05: Combustibles. Biodiesel Puro (B100). Requisitos Generales, Paraguay, 2011.
|
fermented glycerol broth |
150-250 mg |
NaIO4/not reported |
30 |
ethylene glycol |
20 |
yes |
NaOH |
pH adjustments/ 3 min |
6565 Sanchez, D. L. R.: Butanol Production from Glycerol by Clostridium pasteurianum in Defined Culture Media - a Phenotypic Approach; MSc Dissertation, University of Maryland, College Park, USA, 2009, available at https://drum.lib.umd.edu/bitstream/handle/1903/9665/RamosSanchez_umd_0117N_10727.pdf?sequence=1&isAllowed=y, accessed in December 2021. https://drum.lib.umd.edu/bitstream/handl...
|
Iodometric |
water |
10-1000 µg |
NaIO4/ 1.07-10.7 mg |
3 |
sodium molybdate |
immediately |
noh
|
Na2S2O3
|
none |
proposed work |